From 91dff800aba525d282fa48531417c42de5fb5feb Mon Sep 17 00:00:00 2001 From: kaustubh Date: Wed, 27 May 2026 14:32:13 +0530 Subject: [PATCH 1/9] feat: add C implementation for blas/base/csscal --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown status: passed - task: lint_package_json status: passed - task: lint_repl_help status: passed - task: lint_javascript_src status: passed - task: lint_javascript_cli status: na - task: lint_javascript_examples status: passed - task: lint_javascript_tests status: passed - task: lint_javascript_benchmarks status: passed - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: missing_dependencies - task: lint_c_examples status: missing_dependencies - task: lint_c_benchmarks status: missing_dependencies - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../@stdlib/blas/base/csscal/README.md | 149 +++++- .../blas/base/csscal/benchmark/benchmark.js | 2 +- .../base/csscal/benchmark/benchmark.native.js | 113 ++++ .../csscal/benchmark/benchmark.ndarray.js | 2 +- .../benchmark/benchmark.ndarray.native.js | 113 ++++ .../blas/base/csscal/benchmark/c/Makefile | 146 +++++ .../csscal/benchmark/c/benchmark.length.c | 197 +++++++ .../@stdlib/blas/base/csscal/binding.gyp | 173 ++++++ .../@stdlib/blas/base/csscal/docs/repl.txt | 1 + .../blas/base/csscal/examples/c/Makefile | 146 +++++ .../blas/base/csscal/examples/c/example.c | 50 ++ .../blas/base/csscal/examples/index.js | 5 +- .../@stdlib/blas/base/csscal/include.gypi | 70 +++ .../csscal/include/stdlib/blas/base/csscal.h | 48 ++ .../include/stdlib/blas/base/csscal_cblas.h | 43 ++ .../blas/base/csscal/lib/csscal.native.js | 55 ++ .../@stdlib/blas/base/csscal/lib/native.js | 35 ++ .../blas/base/csscal/lib/ndarray.native.js | 56 ++ .../@stdlib/blas/base/csscal/manifest.json | 503 ++++++++++++++++++ .../@stdlib/blas/base/csscal/package.json | 3 + .../@stdlib/blas/base/csscal/src/Makefile | 70 +++ .../@stdlib/blas/base/csscal/src/addon.c | 63 +++ .../@stdlib/blas/base/csscal/src/csscal.c | 34 ++ .../blas/base/csscal/src/csscal_cblas.c | 59 ++ .../blas/base/csscal/src/csscal_ndarray.c | 47 ++ .../blas/base/csscal/test/test.csscal.js | 12 +- .../base/csscal/test/test.csscal.native.js | 226 ++++++++ .../base/csscal/test/test.ndarray.native.js | 276 ++++++++++ 28 files changed, 2685 insertions(+), 12 deletions(-) create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.native.js create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.ndarray.native.js create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/benchmark/c/Makefile create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/benchmark/c/benchmark.length.c create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/binding.gyp create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/examples/c/Makefile create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/examples/c/example.c create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/include.gypi create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/include/stdlib/blas/base/csscal.h create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/include/stdlib/blas/base/csscal_cblas.h create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/lib/csscal.native.js create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/lib/native.js create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/lib/ndarray.native.js create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/manifest.json create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/src/Makefile create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/src/addon.c create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/src/csscal.c create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/src/csscal_cblas.c create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/src/csscal_ndarray.c create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/test/test.csscal.native.js create mode 100644 lib/node_modules/@stdlib/blas/base/csscal/test/test.ndarray.native.js diff --git a/lib/node_modules/@stdlib/blas/base/csscal/README.md b/lib/node_modules/@stdlib/blas/base/csscal/README.md index 9e14ecd19994..e9f9682d2b1b 100644 --- a/lib/node_modules/@stdlib/blas/base/csscal/README.md +++ b/lib/node_modules/@stdlib/blas/base/csscal/README.md @@ -141,14 +141,159 @@ function rand() { var x = filledarrayBy( 10, 'complex64', rand ); console.log( x.toString() ); +// Scale elements from `x` by `alpha`: csscal( x.length, 2.0, x, 1 ); -console.log( x.toString() ); +console.log( x.get( x.length-1 ).toString() ); +``` + + + + + + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/blas/base/csscal.h" +``` + +#### c_csscal( N, alpha, \*X, strideX ) + +Scales a single-precision complex floating-point vector by a single-precision floating-point constant. + +```c +#include "stdlib/complex/float32/ctor.h" + +stdlib_complex64_t x[] = { + stdlib_complex64( 1.0f, 2.0f ), + stdlib_complex64( 3.0f, 4.0f ), + stdlib_complex64( 5.0f, 6.0f ) +}; + +c_csscal( 3, 2.0f, x, 1 ); +``` + +The function accepts the following arguments: + +- **N**: `[in] CBLAS_INT` number of indexed elements. +- **alpha**: `[in] float` scalar constant. +- **X**: `[inout] stdlib_complex64_t*` input array. +- **strideX**: `[in] CBLAS_INT` index increment for `x`. + +```c +void c_csscal( const CBLAS_INT N, const float alpha, void *X, const CBLAS_INT strideX ); +``` + +#### c_csscal_ndarray( N, alpha, \*X, strideX, offsetX ) + +Scales a single-precision complex floating-point vector by a single-precision floating-point constant using alternative indexing semantics. + +```c +#include "stdlib/complex/float32/ctor.h" + +stdlib_complex64_t x[] = { + stdlib_complex64( 1.0f, 2.0f ), + stdlib_complex64( 3.0f, 4.0f ), + stdlib_complex64( 5.0f, 6.0f ) +}; + +c_csscal_ndarray( 3, 2.0f, x, 1, 0 ); +``` + +The function accepts the following arguments: + +- **N**: `[in] CBLAS_INT` number of indexed elements. +- **alpha**: `[in] float` scalar constant. +- **X**: `[inout] void*` input array. +- **strideX**: `[in] CBLAS_INT` index increment for `x`. +- **offsetX**: `[in] CBLAS_INT` starting index for `x`. + +```c +void c_csscal_ndarray( const CBLAS_INT N, const float alpha, void *X, const CBLAS_INT strideX, const CBLAS_INT offsetX ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/blas/base/csscal.h" +#include "stdlib/complex/float32/ctor.h" +#include "stdlib/complex/float32/real.h" +#include "stdlib/complex/float32/imag.h" +#include + +int main( void ) { + stdlib_complex64_t x[] = { + stdlib_complex64( 1.0f, 2.0f ), + stdlib_complex64( 3.0f, 4.0f ), + stdlib_complex64( 5.0f, 6.0f ), + stdlib_complex64( 7.0f, 8.0f ) + }; + + // Specify the number of elements: + const int N = 4; + + // Specify the stride length: + const int strideX = 1; + + c_csscal( N, 2.0f, (void *)x, strideX ); + + // Print the result: + for ( int i = 0; i < N; i++ ) { + printf( "x[ %i ] = %f + %fj\n", i, stdlib_complex64_real( x[ i ] ), stdlib_complex64_imag( x[ i ] ) ); + } + + c_csscal_ndarray( N, 2.0f, (void *)x, strideX, 0 ); + + // Print the result: + for ( int i = 0; i < N; i++ ) { + printf( "x[ %i ] = %f + %fj\n", i, stdlib_complex64_real( x[ i ] ), stdlib_complex64_imag( x[ i ] ) ); + } +} ```
+
+ + +
@@ -163,7 +308,7 @@ console.log( x.toString() ); [blas]: http://www.netlib.org/blas -[csscal]: https://www.netlib.org/lapack/explore-html/d2/de8/group__scal_ga40d50a435a5fcf16cf41fa80d746819f.html#ga40d50a435a5fcf16cf41fa80d746819f +[csscal]: https://www.netlib.org/lapack/explore-html/d2/de8/group__scal_ga38234ecdfde7c9a45753af53d13b0187.html#ga38234ecdfde7c9a45753af53d13b0187 [mdn-typed-array]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray diff --git a/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.js b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.js index 3b9ec0afe9c7..94faffedc410 100644 --- a/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2025 The Stdlib Authors. +* Copyright (c) 2026 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. diff --git a/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.native.js new file mode 100644 index 000000000000..50878b11f49a --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.native.js @@ -0,0 +1,113 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var pow = require( '@stdlib/math/base/special/pow' ); +var Complex64Array = require( '@stdlib/array/complex64' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var format = require( '@stdlib/string/format' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var csscal = tryRequire( resolve( __dirname, './../lib/csscal.native.js' ) ); +var opts = { + 'skip': ( csscal instanceof Error ) +}; +var options = { + 'dtype': 'float32' +}; + + +// FUNCTIONS // + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - array length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var xbuf; + var x; + + xbuf = uniform( len*2, -100.0, 100.0, options ); + x = new Complex64Array( xbuf.buffer ); + + return benchmark; + + /** + * Benchmark function. + * + * @private + * @param {Benchmark} b - benchmark instance + */ + function benchmark( b ) { + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + csscal( x.length, 2.0, x, 1 ); + if ( isnanf( xbuf[ i%(len*2) ] ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnanf( xbuf[ i%(len*2) ] ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); + } +} + + +// MAIN // + +/** +* Main execution sequence. +* +* @private +*/ +function main() { + var len; + var min; + var max; + var f; + var i; + + min = 1; // 10^min + max = 6; // 10^max + + for ( i = min; i <= max; i++ ) { + len = pow( 10, i ); + f = createBenchmark( len ); + bench( format( '%s::native:len=%d', pkg, len ), opts, f ); + } +} + +main(); diff --git a/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.ndarray.js index 90ce8e9495b5..95876d2fde62 100644 --- a/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.ndarray.js +++ b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.ndarray.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2025 The Stdlib Authors. +* Copyright (c) 2026 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. diff --git a/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.ndarray.native.js b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.ndarray.native.js new file mode 100644 index 000000000000..ce787de7e2b9 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.ndarray.native.js @@ -0,0 +1,113 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var pow = require( '@stdlib/math/base/special/pow' ); +var Complex64Array = require( '@stdlib/array/complex64' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var format = require( '@stdlib/string/format' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var csscal = tryRequire( resolve( __dirname, './../lib/ndarray.native.js' ) ); +var opts = { + 'skip': ( csscal instanceof Error ) +}; +var options = { + 'dtype': 'float32' +}; + + +// FUNCTIONS // + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - array length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var xbuf; + var x; + + xbuf = uniform( len*2, -100.0, 100.0, options ); + x = new Complex64Array( xbuf.buffer ); + + return benchmark; + + /** + * Benchmark function. + * + * @private + * @param {Benchmark} b - benchmark instance + */ + function benchmark( b ) { + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + csscal( x.length, 2.0, x, 1, 0 ); + if ( isnanf( xbuf[ i%(len*2) ] ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnanf( xbuf[ i%(len*2) ] ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); + } +} + + +// MAIN // + +/** +* Main execution sequence. +* +* @private +*/ +function main() { + var len; + var min; + var max; + var f; + var i; + + min = 1; // 10^min + max = 6; // 10^max + + for ( i = min; i <= max; i++ ) { + len = pow( 10, i ); + f = createBenchmark( len ); + bench( format( '%s::native:ndarray:len=%d', pkg, len ), opts, f ); + } +} + +main(); diff --git a/lib/node_modules/@stdlib/blas/base/csscal/benchmark/c/Makefile b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/c/Makefile new file mode 100644 index 000000000000..0756dc7da20a --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := benchmark.length.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled benchmarks. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/blas/base/csscal/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/c/benchmark.length.c new file mode 100644 index 000000000000..7e4b32111e43 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/c/benchmark.length.c @@ -0,0 +1,197 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/blas/base/csscal.h" +#include +#include +#include +#include +#include + +#define NAME "csscal" +#define ITERATIONS 10000000 +#define REPEATS 3 +#define MIN 1 +#define MAX 6 + +/** +* Prints the TAP version. +*/ +static void print_version( void ) { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +static void print_summary( int total, int passing ) { + printf( "#\n" ); + printf( "1..%d\n", total ); // TAP plan + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmarks results. +* +* @param iterations number of iterations +* @param elapsed elapsed time in seconds +*/ +static void print_results( int iterations, double elapsed ) { + double rate = (double)iterations / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", iterations ); + printf( " elapsed: %0.9f\n", elapsed ); + printf( " rate: %0.9f\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time. +* +* @return clock time +*/ +static double tic( void ) { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec/1.0e6; +} + +/** +* Generates a random number on the interval [0,1). +* +* @return random number +*/ +static float rand_float( void ) { + int r = rand(); + return (float)r / ( (float)RAND_MAX + 1.0f ); +} + +/** +* Runs a benchmark. +* +* @param iterations number of iterations +* @param len array length +* @return elapsed time in seconds +*/ +static double benchmark1( int iterations, int len ) { + float alpha; + float *x; + double elapsed; + double t; + int i; + + alpha = 2.0f; + x = (float *) malloc( len * 2 * sizeof( float ) ); + for ( i = 0; i < len*2; i += 2 ) { + x[ i ] = ( rand_float()*2.0f ) - 1.0f; + x[ i+1 ] = ( rand_float()*2.0f ) - 1.0f; + } + t = tic(); + for ( i = 0; i < iterations; i++ ) { + c_csscal( len, alpha, (void *)x, 1 ); + if ( x[ 0 ] != x[ 0 ] ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( x[ 0 ] != x[ 0 ] ) { + printf( "should not return NaN\n" ); + } + free( x ); + return elapsed; +} + +/** +* Runs a benchmark. +* +* @param iterations number of iterations +* @param len array length +* @return elapsed time in seconds +*/ +static double benchmark2( int iterations, int len ) { + float alpha; + float *x; + double elapsed; + double t; + int i; + + alpha = 2.0f; + x = (float *) malloc( len * 2 * sizeof( float ) ); + for ( i = 0; i < len*2; i += 2 ) { + x[ i ] = ( rand_float()*2.0f ) - 1.0f; + x[ i+1 ] = ( rand_float()*2.0f ) - 1.0f; + } + t = tic(); + for ( i = 0; i < iterations; i++ ) { + c_csscal_ndarray( len, alpha, (void *)x, 1, 0 ); + if ( x[ 0 ] != x[ 0 ] ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( x[ 0 ] != x[ 0 ] ) { + printf( "should not return NaN\n" ); + } + free( x ); + return elapsed; +} + +/** +* Main execution sequence. +*/ +int main( void ) { + double elapsed; + int count; + int iter; + int len; + int i; + int j; + + // Use the current time to seed the random number generator: + srand( time( NULL ) ); + + print_version(); + count = 0; + for ( i = MIN; i <= MAX; i++ ) { + len = pow( 10, i ); + iter = ITERATIONS / pow( 10, i-1 ); + for ( j = 0; j < REPEATS; j++ ) { + count += 1; + printf( "# c::%s:len=%d\n", NAME, len ); + elapsed = benchmark1( iter, len ); + print_results( iter, elapsed ); + printf( "ok %d benchmark finished\n", count ); + } + for ( j = 0; j < REPEATS; j++ ) { + count += 1; + printf( "# c::%s:ndarray:len=%d\n", NAME, len ); + elapsed = benchmark2( iter, len ); + print_results( iter, elapsed ); + printf( "ok %d benchmark finished\n", count ); + } + } + print_summary( count, count ); +} diff --git a/lib/node_modules/@stdlib/blas/base/csscal/binding.gyp b/lib/node_modules/@stdlib/blas/base/csscal/binding.gyp new file mode 100644 index 000000000000..aaeedbb389ce --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/csscal/binding.gyp @@ -0,0 +1,173 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A `.gyp` file for building a Node.js native add-on. +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # List of files to include in this file: + 'includes': [ + './include.gypi', + ], + + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Target name should match the add-on export name: + 'addon_target_name%': 'addon', + + + # Set variables based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + { + # Define the object file suffix: + 'obj': 'obj', + }, + { + # Define the object file suffix: + 'obj': 'o', + } + ], # end condition (OS=="win") + ], # end conditions + }, # end variables + + # Define compile targets: + 'targets': [ + + # Target to generate an add-on: + { + # The target name should match the add-on export name: + 'target_name': '<(addon_target_name)', + + # Define dependencies: + 'dependencies': [], + + # Define directories which contain relevant include headers: + 'include_dirs': [ + # Local include directory: + '<@(include_dirs)', + ], + + # List of source files: + 'sources': [ + '<@(src_files)', + ], + + # Settings which should be applied when a target's object files are used as linker input: + 'link_settings': { + # Define libraries: + 'libraries': [ + '<@(libraries)', + ], + + # Define library directories: + 'library_dirs': [ + '<@(library_dirs)', + ], + }, + + # C/C++ compiler flags: + 'cflags': [ + # Enable commonly used warning options: + '-Wall', + + # Aggressive optimization: + '-O3', + ], + + # C specific compiler flags: + 'cflags_c': [ + # Specify the C standard to which a program is expected to conform: + '-std=c99', + ], + + # C++ specific compiler flags: + 'cflags_cpp': [ + # Specify the C++ standard to which a program is expected to conform: + '-std=c++11', + ], + + # Linker flags: + 'ldflags': [], + + # Apply conditions based on the host OS: + 'conditions': [ + [ + 'OS=="mac"', + { + # Linker flags: + 'ldflags': [ + '-undefined dynamic_lookup', + '-Wl,-no-pie', + '-Wl,-search_paths_first', + ], + }, + ], # end condition (OS=="mac") + [ + 'OS!="win"', + { + # C/C++ flags: + 'cflags': [ + # Generate platform-independent code: + '-fPIC', + ], + }, + ], # end condition (OS!="win") + ], # end conditions + + 'rules': [], + }, # end target <(addon_target_name) + + # Target to copy a generated add-on to a standard location: + { + 'target_name': 'copy_addon', + + # Declare that the output of this target is not linked: + 'type': 'none', + + # Define dependencies: + 'dependencies': [ + # Require that the add-on be generated before building this target: + '<(addon_target_name)', + ], + + # Define a list of actions: + 'actions': [ + { + 'action_name': 'copy_addon', + 'message': 'Copying addon...', + + # Explicitly list the inputs in the command-line invocation below: + 'inputs': [], + + # Declare the expected outputs: + 'outputs': [ + '<(addon_output_dir)/<(addon_target_name).node', + ], + + # Define the command-line invocation: + 'action': [ + 'cp', + '<(PRODUCT_DIR)/<(addon_target_name).node', + '<(addon_output_dir)/<(addon_target_name).node', + ], + }, + ], # end actions + }, # end target copy_addon + ], # end targets +} diff --git a/lib/node_modules/@stdlib/blas/base/csscal/docs/repl.txt b/lib/node_modules/@stdlib/blas/base/csscal/docs/repl.txt index b8bfcedd7366..bfc27ddc8e48 100644 --- a/lib/node_modules/@stdlib/blas/base/csscal/docs/repl.txt +++ b/lib/node_modules/@stdlib/blas/base/csscal/docs/repl.txt @@ -96,3 +96,4 @@ See Also -------- + diff --git a/lib/node_modules/@stdlib/blas/base/csscal/examples/c/Makefile b/lib/node_modules/@stdlib/blas/base/csscal/examples/c/Makefile new file mode 100644 index 000000000000..c8f8e9a1517b --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/csscal/examples/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := example.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled examples. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/blas/base/csscal/examples/c/example.c b/lib/node_modules/@stdlib/blas/base/csscal/examples/c/example.c new file mode 100644 index 000000000000..df06cc3d9d36 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/csscal/examples/c/example.c @@ -0,0 +1,50 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/blas/base/csscal.h" +#include + +int main( void ) { + // Create a strided array of interleaved real and imaginary components: + float x[] = { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f }; + + // Create a real scalar: + const float alpha = 2.0f; + + // Specify the number of elements: + const int N = 4; + + // Specify stride length: + const int strideX = 1; + + // Scale the elements of the array: + c_csscal( N, alpha, (void *)x, strideX ); + + // Print the result: + for ( int i = 0; i < N; i++ ) { + printf( "x[ %i ] = %f + %fj\n", i, x[ i*2 ], x[ (i*2)+1 ] ); + } + + // Scale the elements of the array using alternative indexing semantics: + c_csscal_ndarray( N, alpha, (void *)x, -strideX, 3 ); + + // Print the result: + for ( int i = 0; i < N; i++ ) { + printf( "x[ %i ] = %f + %fj\n", i, x[ i*2 ], x[ (i*2)+1 ] ); + } +} diff --git a/lib/node_modules/@stdlib/blas/base/csscal/examples/index.js b/lib/node_modules/@stdlib/blas/base/csscal/examples/index.js index 049d2f0ffdb7..e392f789ddf6 100644 --- a/lib/node_modules/@stdlib/blas/base/csscal/examples/index.js +++ b/lib/node_modules/@stdlib/blas/base/csscal/examples/index.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2025 The Stdlib Authors. +* Copyright (c) 2026 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -30,5 +30,6 @@ function rand() { var x = filledarrayBy( 10, 'complex64', rand ); console.log( x.toString() ); +// Scale elements from `x` by `alpha`: csscal( x.length, 2.0, x, 1 ); -console.log( x.toString() ); +console.log( x.get( x.length-1 ).toString() ); diff --git a/lib/node_modules/@stdlib/blas/base/csscal/include.gypi b/lib/node_modules/@stdlib/blas/base/csscal/include.gypi new file mode 100644 index 000000000000..dcb556d250e8 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/csscal/include.gypi @@ -0,0 +1,70 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A GYP include file for building a Node.js native add-on. +# +# Note that nesting variables is required due to how GYP processes a configuration. Any variables defined within a nested 'variables' section is defined in the outer scope. Thus, conditions in the outer variable scope are free to use these variables without running into "variable undefined" errors. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +# +# Variable nesting hacks: +# +# [3]: https://chromium.googlesource.com/external/skia/gyp/+/master/common_variables.gypi +# [4]: https://src.chromium.org/viewvc/chrome/trunk/src/build/common.gypi?revision=127004 +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + 'variables': { + # Host BLAS library (to override -Dblas=): + 'blas%': '', + + # Path to BLAS library (to override -Dblas_dir=): + 'blas_dir%': '', + }, # end variables + + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + '<@(blas_dir)', + ' [ 2.0, 4.0, 6.0, 8.0, 10.0, 12.0 ] +*/ +function csscal( N, alpha, x, strideX ) { + var viewX = reinterpret( x, 0 ); + addon( N, alpha, viewX, strideX ); + return x; +} + + +// EXPORTS // + +module.exports = csscal; diff --git a/lib/node_modules/@stdlib/blas/base/csscal/lib/native.js b/lib/node_modules/@stdlib/blas/base/csscal/lib/native.js new file mode 100644 index 000000000000..a1e7b5f923a7 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/csscal/lib/native.js @@ -0,0 +1,35 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' ); +var csscal = require( './csscal.native.js' ); +var ndarray = require( './ndarray.native.js' ); + + +// MAIN // + +setReadOnly( csscal, 'ndarray', ndarray ); + + +// EXPORTS // + +module.exports = csscal; diff --git a/lib/node_modules/@stdlib/blas/base/csscal/lib/ndarray.native.js b/lib/node_modules/@stdlib/blas/base/csscal/lib/ndarray.native.js new file mode 100644 index 000000000000..31339c51f74f --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/csscal/lib/ndarray.native.js @@ -0,0 +1,56 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var reinterpret = require( '@stdlib/strided/base/reinterpret-complex64' ); +var addon = require( './../src/addon.node' ); + + +// MAIN // + +/** +* Scales a single-precision complex floating-point vector by a single-precision floating-point constant. +* +* @param {PositiveInteger} N - number of indexed elements +* @param {number} alpha - scalar constant +* @param {Complex64Array} x - input array +* @param {integer} strideX - `x` stride length +* @param {NonNegativeInteger} offsetX - starting `x` index +* @returns {Complex64Array} input array +* +* @example +* var Complex64Array = require( '@stdlib/array/complex64' ); +* +* var x = new Complex64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); +* +* csscal( x.length, 2.0, x, 1, 0 ); +* // x => [ 2.0, 4.0, 6.0, 8.0, 10.0, 12.0 ] +*/ +function csscal( N, alpha, x, strideX, offsetX ) { + var viewX = reinterpret( x, 0 ); + addon.ndarray( N, alpha, viewX, strideX, offsetX ); + return x; +} + + +// EXPORTS // + +module.exports = csscal; diff --git a/lib/node_modules/@stdlib/blas/base/csscal/manifest.json b/lib/node_modules/@stdlib/blas/base/csscal/manifest.json new file mode 100644 index 000000000000..ba1a33cce11e --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/csscal/manifest.json @@ -0,0 +1,503 @@ +{ + "options": { + "task": "build", + "os": "linux", + "blas": "", + "wasm": false + }, + "fields": [ + { + "field": "src", + "resolve": true, + "relative": true + }, + { + "field": "include", + "resolve": true, + "relative": true + }, + { + "field": "libraries", + "resolve": false, + "relative": false + }, + { + "field": "libpath", + "resolve": true, + "relative": false + } + ], + "confs": [ + { + "task": "build", + "os": "linux", + "blas": "", + "wasm": false, + "src": [ + "./src/csscal.c", + "./src/csscal_ndarray.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/napi/export", + "@stdlib/napi/argv", + "@stdlib/blas/base/shared", + "@stdlib/napi/argv-float", + "@stdlib/napi/argv-int64", + "@stdlib/napi/argv-strided-complex64array", + "@stdlib/strided/base/stride2offset", + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/base/scale" + ] + }, + { + "task": "benchmark", + "os": "linux", + "blas": "", + "wasm": false, + "src": [ + "./src/csscal.c", + "./src/csscal_ndarray.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset", + "@stdlib/math/base/assert/is-nanf", + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/real", + "@stdlib/complex/float32/imag", + "@stdlib/complex/float32/base/scale" + ] + }, + { + "task": "examples", + "os": "linux", + "blas": "", + "wasm": false, + "src": [ + "./src/csscal.c", + "./src/csscal_ndarray.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset", + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/real", + "@stdlib/complex/float32/imag", + "@stdlib/complex/float32/base/scale" + ] + }, + + { + "task": "build", + "os": "linux", + "blas": "openblas", + "wasm": false, + "src": [ + "./src/csscal_cblas.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lopenblas", + "-lpthread" + ], + "libpath": [], + "dependencies": [ + "@stdlib/napi/export", + "@stdlib/napi/argv", + "@stdlib/blas/base/shared", + "@stdlib/napi/argv-float", + "@stdlib/napi/argv-int64", + "@stdlib/napi/argv-strided-complex64array", + "@stdlib/strided/base/min-view-buffer-index", + "@stdlib/complex/float32/ctor" + ] + }, + { + "task": "benchmark", + "os": "linux", + "blas": "openblas", + "wasm": false, + "src": [ + "./src/csscal_cblas.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lopenblas", + "-lpthread" + ], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/min-view-buffer-index", + "@stdlib/math/base/assert/is-nanf", + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/real", + "@stdlib/complex/float32/imag" + ] + }, + { + "task": "examples", + "os": "linux", + "blas": "openblas", + "wasm": false, + "src": [ + "./src/csscal_cblas.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lopenblas", + "-lpthread" + ], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/min-view-buffer-index", + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/real", + "@stdlib/complex/float32/imag" + ] + }, + + { + "task": "build", + "os": "mac", + "blas": "", + "wasm": false, + "src": [ + "./src/csscal.c", + "./src/csscal_ndarray.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/napi/export", + "@stdlib/napi/argv", + "@stdlib/blas/base/shared", + "@stdlib/napi/argv-float", + "@stdlib/napi/argv-int64", + "@stdlib/napi/argv-strided-complex64array", + "@stdlib/strided/base/stride2offset", + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/base/scale" + ] + }, + { + "task": "benchmark", + "os": "mac", + "blas": "", + "wasm": false, + "src": [ + "./src/csscal.c", + "./src/csscal_ndarray.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset", + "@stdlib/math/base/assert/is-nanf", + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/real", + "@stdlib/complex/float32/imag", + "@stdlib/complex/float32/base/scale" + ] + }, + { + "task": "examples", + "os": "mac", + "blas": "", + "wasm": false, + "src": [ + "./src/csscal.c", + "./src/csscal_ndarray.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset", + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/real", + "@stdlib/complex/float32/imag", + "@stdlib/complex/float32/base/scale" + ] + }, + + { + "task": "build", + "os": "mac", + "blas": "apple_accelerate_framework", + "wasm": false, + "src": [ + "./src/csscal_cblas.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lblas" + ], + "libpath": [], + "dependencies": [ + "@stdlib/napi/export", + "@stdlib/napi/argv", + "@stdlib/blas/base/shared", + "@stdlib/napi/argv-float", + "@stdlib/napi/argv-int64", + "@stdlib/napi/argv-strided-complex64array", + "@stdlib/strided/base/min-view-buffer-index", + "@stdlib/complex/float32/ctor" + ] + }, + { + "task": "benchmark", + "os": "mac", + "blas": "apple_accelerate_framework", + "wasm": false, + "src": [ + "./src/csscal_cblas.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lblas" + ], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/min-view-buffer-index", + "@stdlib/math/base/assert/is-nanf", + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/real", + "@stdlib/complex/float32/imag" + ] + }, + { + "task": "examples", + "os": "mac", + "blas": "apple_accelerate_framework", + "wasm": false, + "src": [ + "./src/csscal_cblas.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lblas" + ], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/min-view-buffer-index", + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/real", + "@stdlib/complex/float32/imag" + ] + }, + + { + "task": "build", + "os": "mac", + "blas": "openblas", + "wasm": false, + "src": [ + "./src/csscal_cblas.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lopenblas", + "-lpthread" + ], + "libpath": [], + "dependencies": [ + "@stdlib/napi/export", + "@stdlib/napi/argv", + "@stdlib/blas/base/shared", + "@stdlib/napi/argv-float", + "@stdlib/napi/argv-int64", + "@stdlib/napi/argv-strided-complex64array", + "@stdlib/strided/base/min-view-buffer-index", + "@stdlib/complex/float32/ctor" + ] + }, + { + "task": "benchmark", + "os": "mac", + "blas": "openblas", + "wasm": false, + "src": [ + "./src/csscal_cblas.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lopenblas", + "-lpthread" + ], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/min-view-buffer-index", + "@stdlib/math/base/assert/is-nanf", + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/real", + "@stdlib/complex/float32/imag" + ] + }, + { + "task": "examples", + "os": "mac", + "blas": "openblas", + "wasm": false, + "src": [ + "./src/csscal_cblas.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lopenblas", + "-lpthread" + ], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/min-view-buffer-index", + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/real", + "@stdlib/complex/float32/imag" + ] + }, + + { + "task": "build", + "os": "win", + "blas": "", + "wasm": false, + "src": [ + "./src/csscal.c", + "./src/csscal_ndarray.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/napi/export", + "@stdlib/napi/argv", + "@stdlib/blas/base/shared", + "@stdlib/napi/argv-float", + "@stdlib/napi/argv-int64", + "@stdlib/napi/argv-strided-complex64array", + "@stdlib/strided/base/stride2offset", + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/base/scale" + ] + }, + { + "task": "benchmark", + "os": "win", + "blas": "", + "wasm": false, + "src": [ + "./src/csscal.c", + "./src/csscal_ndarray.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset", + "@stdlib/math/base/assert/is-nanf", + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/real", + "@stdlib/complex/float32/imag", + "@stdlib/complex/float32/base/scale" + ] + }, + { + "task": "examples", + "os": "win", + "blas": "", + "wasm": false, + "src": [ + "./src/csscal.c", + "./src/csscal_ndarray.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset", + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/real", + "@stdlib/complex/float32/imag", + "@stdlib/complex/float32/base/scale" + ] + }, + + { + "task": "build", + "os": "", + "blas": "", + "wasm": true, + "src": [ + "./src/csscal.c", + "./src/csscal_ndarray.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset", + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/base/scale" + ] + } + ] +} diff --git a/lib/node_modules/@stdlib/blas/base/csscal/package.json b/lib/node_modules/@stdlib/blas/base/csscal/package.json index a0a82c29e5a7..0c9198426822 100644 --- a/lib/node_modules/@stdlib/blas/base/csscal/package.json +++ b/lib/node_modules/@stdlib/blas/base/csscal/package.json @@ -15,11 +15,14 @@ ], "main": "./lib", "browser": "./lib/main.js", + "gypfile": true, "directories": { "benchmark": "./benchmark", "doc": "./docs", "example": "./examples", + "include": "./include", "lib": "./lib", + "src": "./src", "test": "./test" }, "types": "./docs/types", diff --git a/lib/node_modules/@stdlib/blas/base/csscal/src/Makefile b/lib/node_modules/@stdlib/blas/base/csscal/src/Makefile new file mode 100644 index 000000000000..2caf905cedbe --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/csscal/src/Makefile @@ -0,0 +1,70 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + + +# RULES # + +#/ +# Removes generated files for building an add-on. +# +# @example +# make clean-addon +#/ +clean-addon: + $(QUIET) -rm -f *.o *.node + +.PHONY: clean-addon + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: clean-addon + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/blas/base/csscal/src/addon.c b/lib/node_modules/@stdlib/blas/base/csscal/src/addon.c new file mode 100644 index 000000000000..f83f30a04af6 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/csscal/src/addon.c @@ -0,0 +1,63 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/blas/base/csscal.h" +#include "stdlib/blas/base/shared.h" +#include "stdlib/napi/export.h" +#include "stdlib/napi/argv.h" +#include "stdlib/napi/argv_int64.h" +#include "stdlib/napi/argv_float.h" +#include "stdlib/napi/argv_strided_complex64array.h" +#include + +/** +* Receives JavaScript callback invocation data. +* +* @param env environment under which the function is invoked +* @param info callback data +* @return Node-API value +*/ +static napi_value addon( napi_env env, napi_callback_info info ) { + STDLIB_NAPI_ARGV( env, info, argv, argc, 4 ); + STDLIB_NAPI_ARGV_INT64( env, N, argv, 0 ); + STDLIB_NAPI_ARGV_INT64( env, strideX, argv, 3 ); + STDLIB_NAPI_ARGV_FLOAT( env, alpha, argv, 1 ); + STDLIB_NAPI_ARGV_STRIDED_COMPLEX64ARRAY( env, X, N, strideX, argv, 2 ); + API_SUFFIX(c_csscal)( N, alpha, (void *)X, strideX ); + return NULL; +} + +/** +* Receives JavaScript callback invocation data. +* +* @param env environment under which the function is invoked +* @param info callback data +* @return Node-API value +*/ +static napi_value addon_method( napi_env env, napi_callback_info info ) { + STDLIB_NAPI_ARGV( env, info, argv, argc, 5 ); + STDLIB_NAPI_ARGV_INT64( env, N, argv, 0 ); + STDLIB_NAPI_ARGV_INT64( env, strideX, argv, 3 ); + STDLIB_NAPI_ARGV_INT64( env, offsetX, argv, 4 ); + STDLIB_NAPI_ARGV_FLOAT( env, alpha, argv, 1 ); + STDLIB_NAPI_ARGV_STRIDED_COMPLEX64ARRAY( env, X, N, strideX, argv, 2 ); + API_SUFFIX(c_csscal_ndarray)( N, alpha, (void *)X, strideX, offsetX ); + return NULL; +} + +STDLIB_NAPI_MODULE_EXPORT_FCN_WITH_METHOD( addon, "ndarray", addon_method ) diff --git a/lib/node_modules/@stdlib/blas/base/csscal/src/csscal.c b/lib/node_modules/@stdlib/blas/base/csscal/src/csscal.c new file mode 100644 index 000000000000..5c68c475ca73 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/csscal/src/csscal.c @@ -0,0 +1,34 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/blas/base/csscal.h" +#include "stdlib/strided/base/stride2offset.h" +#include "stdlib/blas/base/shared.h" + +/** +* Scales a single-precision complex floating-point vector by a single-precision floating-point constant. +* +* @param N number of indexed elements +* @param alpha scalar constant +* @param X input array +* @param strideX X stride length +*/ +void API_SUFFIX(c_csscal)( const CBLAS_INT N, const float alpha, void *X, const CBLAS_INT strideX ) { + CBLAS_INT ox = stdlib_strided_stride2offset( N, strideX ); + API_SUFFIX(c_csscal_ndarray)( N, alpha, X, strideX, ox ); +} diff --git a/lib/node_modules/@stdlib/blas/base/csscal/src/csscal_cblas.c b/lib/node_modules/@stdlib/blas/base/csscal/src/csscal_cblas.c new file mode 100644 index 000000000000..09266a84c7e1 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/csscal/src/csscal_cblas.c @@ -0,0 +1,59 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/blas/base/csscal.h" +#include "stdlib/blas/base/csscal_cblas.h" +#include "stdlib/blas/base/shared.h" +#include "stdlib/complex/float32/ctor.h" +#include "stdlib/strided/base/min_view_buffer_index.h" + +/** +* Scales a single-precision complex floating-point vector by a single-precision floating-point constant. +* +* @param N number of indexed elements +* @param alpha scalar constant +* @param X input array +* @param strideX X stride length +*/ +void API_SUFFIX(c_csscal)( const CBLAS_INT N, const float alpha, void *X, const CBLAS_INT strideX ) { + CBLAS_INT sx = strideX; + if ( sx < 0 ) { + sx = -sx; + } + API_SUFFIX(cblas_csscal)( N, alpha, X, sx ); +} + +/** +* Scales a single-precision complex floating-point vector by a single-precision floating-point constant using alternative indexing semantics. +* +* @param N number of indexed elements +* @param alpha scalar constant +* @param X input array +* @param strideX X stride length +* @param offsetX starting index for X +*/ +void API_SUFFIX(c_csscal_ndarray)( const CBLAS_INT N, const float alpha, void *X, const CBLAS_INT strideX, const CBLAS_INT offsetX ) { + stdlib_complex64_t *x = (stdlib_complex64_t *)X; + CBLAS_INT sx = strideX; + + x += stdlib_strided_min_view_buffer_index( N, strideX, offsetX ); + if ( sx < 0 ) { + sx = -sx; + } + API_SUFFIX(cblas_csscal)( N, alpha, (void *)x, sx ); +} diff --git a/lib/node_modules/@stdlib/blas/base/csscal/src/csscal_ndarray.c b/lib/node_modules/@stdlib/blas/base/csscal/src/csscal_ndarray.c new file mode 100644 index 000000000000..89b21ef1f510 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/csscal/src/csscal_ndarray.c @@ -0,0 +1,47 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/blas/base/csscal.h" +#include "stdlib/blas/base/shared.h" +#include "stdlib/complex/float32/ctor.h" +#include "stdlib/complex/float32/base/scale.h" + +/** +* Scales a single-precision complex floating-point vector by a single-precision floating-point constant using alternative indexing semantics. +* +* @param N number of indexed elements +* @param alpha scalar constant +* @param X input array +* @param strideX X stride length +* @param offsetX starting index for X +*/ +void API_SUFFIX(c_csscal_ndarray)( const CBLAS_INT N, const float alpha, void *X, const CBLAS_INT strideX, const CBLAS_INT offsetX ) { + stdlib_complex64_t *x = (stdlib_complex64_t *)X; + CBLAS_INT ix; + CBLAS_INT i; + + if ( N <= 0 || alpha == 1.0f ) { + return; + } + ix = offsetX; + for ( i = 0; i < N; i++ ) { + x[ ix ] = stdlib_base_complex64_scale( alpha, x[ ix ] ); + ix += strideX; + } + return; +} diff --git a/lib/node_modules/@stdlib/blas/base/csscal/test/test.csscal.js b/lib/node_modules/@stdlib/blas/base/csscal/test/test.csscal.js index 83f87c9aa8cd..693b37eeb693 100644 --- a/lib/node_modules/@stdlib/blas/base/csscal/test/test.csscal.js +++ b/lib/node_modules/@stdlib/blas/base/csscal/test/test.csscal.js @@ -178,11 +178,11 @@ tape( 'if provided an `N` parameter less than or equal to `0`, the function retu tape( 'the function supports view offsets', function test( t ) { var expected; - var x0; - var x1; + var cx0; + var cx1; // Initial array: - x0 = new Complex64Array([ + cx0 = new Complex64Array([ 0.1, -0.3, 8.0, // 1 @@ -196,9 +196,9 @@ tape( 'the function supports view offsets', function test( t ) { ]); // Create offset view: - x1 = new Complex64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); // begin at 2nd element + cx1 = new Complex64Array( cx0.buffer, cx0.BYTES_PER_ELEMENT*1 ); // begin at 2nd element - csscal( 3, 2.0, x1, 1 ); + csscal( 3, 2.0, cx1, 1 ); expected = new Complex64Array([ 0.1, @@ -212,6 +212,6 @@ tape( 'the function supports view offsets', function test( t ) { 2.0, 3.0 ]); - t.strictEqual( isSameComplex64Array( x0, expected ), true, 'returns expected value' ); + t.strictEqual( isSameComplex64Array( cx0, expected ), true, 'returns expected value' ); t.end(); }); diff --git a/lib/node_modules/@stdlib/blas/base/csscal/test/test.csscal.native.js b/lib/node_modules/@stdlib/blas/base/csscal/test/test.csscal.native.js new file mode 100644 index 000000000000..f8870e8e8bb6 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/csscal/test/test.csscal.native.js @@ -0,0 +1,226 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var isSameComplex64Array = require( '@stdlib/assert/is-same-complex64array' ); +var Complex64Array = require( '@stdlib/array/complex64' ); +var tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var csscal = tryRequire( resolve( __dirname, './../lib/csscal.native.js' ) ); +var opts = { + 'skip': ( csscal instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof csscal, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 4', opts, function test( t ) { + t.strictEqual( csscal.length, 4, 'arity of 4' ); + t.end(); +}); + +tape( 'the function scales elements from `x` by `alpha`', opts, function test( t ) { + var expected; + var x; + + x = new Complex64Array([ + 0.3, // 1 + 0.1, // 1 + 0.5, // 2 + 0.0, // 2 + 0.0, // 3 + 0.5, // 3 + 0.0, // 4 + 0.2 // 4 + ]); + + csscal( 4, 2.0, x, 1 ); + + expected = new Complex64Array([ + 0.6, // 1 + 0.2, // 1 + 1.0, // 2 + 0.0, // 2 + 0.0, // 3 + 1.0, // 3 + 0.0, // 4 + 0.4 // 4 + ]); + t.strictEqual( isSameComplex64Array( x, expected ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a `x` stride', opts, function test( t ) { + var expected; + var x; + + x = new Complex64Array([ + 0.1, // 1 + 0.1, // 1 + 3.0, + 6.0, + -0.6, // 2 + 0.1, // 2 + 4.0, + 7.0, + 0.1, // 3 + -0.3, // 3 + 7.0, + 2.0 + ]); + + csscal( 3, 2.0, x, 2 ); + + expected = new Complex64Array([ + 0.2, // 1 + 0.2, // 1 + 3.0, + 6.0, + -1.2, // 2 + 0.2, // 2 + 4.0, + 7.0, + 0.2, // 3 + -0.6, // 3 + 7.0, + 2.0 + ]); + t.strictEqual( isSameComplex64Array( x, expected ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a negative `x` stride', opts, function test( t ) { + var expected; + var x; + + x = new Complex64Array([ + 0.1, // 3 + 0.1, // 3 + 3.0, + 6.0, + -0.6, // 2 + 0.1, // 2 + 4.0, + 7.0, + 0.1, // 1 + -0.3, // 1 + 7.0, + 2.0 + ]); + + csscal( 3, 2.0, x, -2 ); + + expected = new Complex64Array([ + 0.2, // 3 + 0.2, // 3 + 3.0, + 6.0, + -1.2, // 2 + 0.2, // 2 + 4.0, + 7.0, + 0.2, // 1 + -0.6, // 1 + 7.0, + 2.0 + ]); + t.strictEqual( isSameComplex64Array( x, expected ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns a reference to the input array', opts, function test( t ) { + var out; + var x; + + x = new Complex64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ] ); + out = csscal( 4, 2.0, x, 1 ); + + t.strictEqual( out, x, 'same reference' ); + t.end(); +}); + +tape( 'if provided an `N` parameter less than or equal to `0`, the function returns the input array unchanged', opts, function test( t ) { + var expected; + var x; + + x = new Complex64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ] ); + + expected = new Complex64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ] ); + + csscal( -1, 2.0, x, 1 ); + t.strictEqual( isSameComplex64Array( x, expected ), true, 'returns expected value' ); + + csscal( 0, 2.0, x, 1 ); + t.strictEqual( isSameComplex64Array( x, expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports view offsets', opts, function test( t ) { + var expected; + var cx0; + var cx1; + + // Initial array: + cx0 = new Complex64Array([ + 0.1, + -0.3, + 8.0, // 1 + 9.0, // 1 + 0.5, // 2 + -0.1, // 2 + 2.0, // 3 + 5.0, // 3 + 2.0, + 3.0 + ]); + + // Create offset view: + cx1 = new Complex64Array( cx0.buffer, cx0.BYTES_PER_ELEMENT*1 ); // begin at 2nd element + + csscal( 3, 2.0, cx1, 1 ); + + expected = new Complex64Array([ + 0.1, + -0.3, + 16.0, // 1 + 18.0, // 1 + 1.0, // 2 + -0.2, // 2 + 4.0, // 3 + 10.0, // 3 + 2.0, + 3.0 + ]); + t.strictEqual( isSameComplex64Array( cx0, expected ), true, 'returns expected value' ); + t.end(); +}); diff --git a/lib/node_modules/@stdlib/blas/base/csscal/test/test.ndarray.native.js b/lib/node_modules/@stdlib/blas/base/csscal/test/test.ndarray.native.js new file mode 100644 index 000000000000..01035b53fb25 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/csscal/test/test.ndarray.native.js @@ -0,0 +1,276 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var isSameComplex64Array = require( '@stdlib/assert/is-same-complex64array' ); +var Complex64Array = require( '@stdlib/array/complex64' ); +var tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var csscal = tryRequire( resolve( __dirname, './../lib/ndarray.native.js' ) ); +var opts = { + 'skip': ( csscal instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof csscal, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 5', opts, function test( t ) { + t.strictEqual( csscal.length, 5, 'arity of 5' ); + t.end(); +}); + +tape( 'the function scales elements from `x` by `alpha`', opts, function test( t ) { + var expected; + var x; + + x = new Complex64Array([ + 0.3, // 1 + 0.1, // 1 + 0.5, // 2 + 0.0, // 2 + 0.0, // 3 + 0.5, // 3 + 0.0, // 4 + 0.2, // 4 + 2.0, + 3.0, + 2.0, + 3.0 + ]); + + csscal( 4, 2.0, x, 1, 0 ); + + expected = new Complex64Array([ + 0.6, // 1 + 0.2, // 1 + 1.0, // 2 + 0.0, // 2 + 0.0, // 3 + 1.0, // 3 + 0.0, // 4 + 0.4, // 4 + 2.0, + 3.0, + 2.0, + 3.0 + ]); + t.strictEqual( isSameComplex64Array( x, expected ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a `x` stride', opts, function test( t ) { + var expected; + var x; + + x = new Complex64Array([ + 0.1, // 1 + 0.1, // 1 + 3.0, + 6.0, + -0.6, // 2 + 0.1, // 2 + 4.0, + 7.0, + 0.1, // 3 + -0.3, // 3 + 7.0, + 2.0 + ]); + + csscal( 3, 2.0, x, 2, 0 ); + + expected = new Complex64Array([ + 0.2, // 1 + 0.2, // 1 + 3.0, + 6.0, + -1.2, // 2 + 0.2, // 2 + 4.0, + 7.0, + 0.2, // 3 + -0.6, // 3 + 7.0, + 2.0 + ]); + t.strictEqual( isSameComplex64Array( x, expected ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a negative `x` stride', opts, function test( t ) { + var expected; + var x; + + x = new Complex64Array([ + 0.1, // 3 + 0.1, // 3 + 3.0, + 6.0, + -0.6, // 2 + 0.1, // 2 + 4.0, + 7.0, + 0.1, // 1 + -0.3, // 1 + 7.0, + 2.0 + ]); + + csscal( 3, 2.0, x, -2, 4 ); + + expected = new Complex64Array([ + 0.2, // 3 + 0.2, // 3 + 3.0, + 6.0, + -1.2, // 2 + 0.2, // 2 + 4.0, + 7.0, + 0.2, // 1 + -0.6, // 1 + 7.0, + 2.0 + ]); + t.strictEqual( isSameComplex64Array( x, expected ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a `x` offset', opts, function test( t ) { + var expected; + var x; + + x = new Complex64Array([ + 0.1, + 0.1, + 3.0, + 6.0, + -0.6, + 0.1, + 4.0, // 1 + 6.0, // 1 + 0.1, // 2 + -0.3, // 2 + 7.0, // 3 + 2.0 // 3 + ]); + + csscal( 3, 2.0, x, 1, 3 ); + + expected = new Complex64Array([ + 0.1, + 0.1, + 3.0, + 6.0, + -0.6, + 0.1, + 8.0, // 1 + 12.0, // 1 + 0.2, // 2 + -0.6, // 2 + 14.0, // 3 + 4.0 // 3 + ]); + t.strictEqual( isSameComplex64Array( x, expected ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns a reference to the input array', opts, function test( t ) { + var out; + var x; + + x = new Complex64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ] ); + out = csscal( 4, 2.0, x, 1, 0 ); + + t.strictEqual( out, x, 'same reference' ); + t.end(); +}); + +tape( 'if provided an `N` parameter less than or equal to `0`, the function returns the input array unchanged', opts, function test( t ) { + var expected; + var x; + + x = new Complex64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ] ); + + expected = new Complex64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ] ); + + csscal( -1, 2.0, x, 1, 0 ); + t.strictEqual( isSameComplex64Array( x, expected ), true, 'returns expected value' ); + + csscal( 0, 2.0, x, 1, 0 ); + t.strictEqual( isSameComplex64Array( x, expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports complex access patterns', opts, function test( t ) { + var expected; + var x; + + x = new Complex64Array([ + 0.1, + 0.1, + 3.0, + 6.0, + -0.6, + 0.1, + 4.0, // 2 + 6.0, // 2 + 0.1, + -0.3, + 7.0, + 2.0, + 2.0, // 1 + 3.0 // 1 + ]); + + csscal( 2, 2.0, x, -3, 6 ); + + expected = new Complex64Array([ + 0.1, + 0.1, + 3.0, + 6.0, + -0.6, + 0.1, + 8.0, // 2 + 12.0, // 2 + 0.1, + -0.3, + 7.0, + 2.0, + 4.0, // 1 + 6.0 // 1 + ]); + t.strictEqual( isSameComplex64Array( x, expected ), true, 'returns expected value' ); + t.end(); +}); From 864c9bc68dbcaca9c0801b9c67f913e157b1557b Mon Sep 17 00:00:00 2001 From: Athan Date: Wed, 27 May 2026 12:54:28 -0700 Subject: [PATCH 2/9] Apply suggestions from code review Co-authored-by: Athan Signed-off-by: Athan --- .../@stdlib/blas/base/csscal/benchmark/c/benchmark.length.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/node_modules/@stdlib/blas/base/csscal/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/c/benchmark.length.c index 7e4b32111e43..5e2873719cec 100644 --- a/lib/node_modules/@stdlib/blas/base/csscal/benchmark/c/benchmark.length.c +++ b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/c/benchmark.length.c @@ -95,10 +95,10 @@ static float rand_float( void ) { * @return elapsed time in seconds */ static double benchmark1( int iterations, int len ) { - float alpha; - float *x; double elapsed; + float alpha; double t; + float *x; int i; alpha = 2.0f; From e07c854a47343966f2dd488ab2811273a4a391fc Mon Sep 17 00:00:00 2001 From: Athan Date: Wed, 27 May 2026 12:55:16 -0700 Subject: [PATCH 3/9] Apply suggestions from code review Co-authored-by: Athan Signed-off-by: Athan --- .../@stdlib/blas/base/csscal/benchmark/c/benchmark.length.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/node_modules/@stdlib/blas/base/csscal/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/c/benchmark.length.c index 5e2873719cec..44fd1b9625d1 100644 --- a/lib/node_modules/@stdlib/blas/base/csscal/benchmark/c/benchmark.length.c +++ b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/c/benchmark.length.c @@ -131,10 +131,10 @@ static double benchmark1( int iterations, int len ) { * @return elapsed time in seconds */ static double benchmark2( int iterations, int len ) { - float alpha; - float *x; double elapsed; + float alpha; double t; + float *x; int i; alpha = 2.0f; From d42017f1da229629626799ed07794cb1054ee66d Mon Sep 17 00:00:00 2001 From: Athan Date: Wed, 27 May 2026 12:55:54 -0700 Subject: [PATCH 4/9] Discard changes to lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.js --- .../@stdlib/blas/base/csscal/benchmark/benchmark.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.js b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.js index 94faffedc410..3b9ec0afe9c7 100644 --- a/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2026 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. From 4d315f6c9b35b03a7caa70992091ac32169e4205 Mon Sep 17 00:00:00 2001 From: Athan Date: Wed, 27 May 2026 12:56:14 -0700 Subject: [PATCH 5/9] Discard changes to lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.ndarray.js --- .../@stdlib/blas/base/csscal/benchmark/benchmark.ndarray.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.ndarray.js index 95876d2fde62..90ce8e9495b5 100644 --- a/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.ndarray.js +++ b/lib/node_modules/@stdlib/blas/base/csscal/benchmark/benchmark.ndarray.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2026 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. From 634287196f3d93ded2b84beb0681211f45bbd3b1 Mon Sep 17 00:00:00 2001 From: Athan Date: Wed, 27 May 2026 12:58:04 -0700 Subject: [PATCH 6/9] Discard changes to lib/node_modules/@stdlib/blas/base/csscal/examples/index.js --- lib/node_modules/@stdlib/blas/base/csscal/examples/index.js | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/lib/node_modules/@stdlib/blas/base/csscal/examples/index.js b/lib/node_modules/@stdlib/blas/base/csscal/examples/index.js index e392f789ddf6..049d2f0ffdb7 100644 --- a/lib/node_modules/@stdlib/blas/base/csscal/examples/index.js +++ b/lib/node_modules/@stdlib/blas/base/csscal/examples/index.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2026 The Stdlib Authors. +* Copyright (c) 2025 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -30,6 +30,5 @@ function rand() { var x = filledarrayBy( 10, 'complex64', rand ); console.log( x.toString() ); -// Scale elements from `x` by `alpha`: csscal( x.length, 2.0, x, 1 ); -console.log( x.get( x.length-1 ).toString() ); +console.log( x.toString() ); From 847a1aba7787b88d698109ffdb34608eeb3a2148 Mon Sep 17 00:00:00 2001 From: Athan Date: Wed, 27 May 2026 13:10:20 -0700 Subject: [PATCH 7/9] docs: update example Signed-off-by: Athan --- lib/node_modules/@stdlib/blas/base/csscal/README.md | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/lib/node_modules/@stdlib/blas/base/csscal/README.md b/lib/node_modules/@stdlib/blas/base/csscal/README.md index e9f9682d2b1b..f3f8b93d0b0c 100644 --- a/lib/node_modules/@stdlib/blas/base/csscal/README.md +++ b/lib/node_modules/@stdlib/blas/base/csscal/README.md @@ -141,9 +141,8 @@ function rand() { var x = filledarrayBy( 10, 'complex64', rand ); console.log( x.toString() ); -// Scale elements from `x` by `alpha`: csscal( x.length, 2.0, x, 1 ); -console.log( x.get( x.length-1 ).toString() ); +console.log( x.toString() ); ```
From 6ecd08ddf7ec029f19ea571eee4af13ebff29d5e Mon Sep 17 00:00:00 2001 From: kaustubh Date: Thu, 28 May 2026 13:11:07 +0530 Subject: [PATCH 8/9] fix: cleanup for manifest --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown status: na - task: lint_package_json status: na - task: lint_repl_help status: na - task: lint_javascript_src status: na - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: na - task: lint_javascript_benchmarks status: na - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: na - task: lint_c_examples status: na - task: lint_c_benchmarks status: na - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../@stdlib/blas/base/csscal/manifest.json | 42 +++---------------- 1 file changed, 6 insertions(+), 36 deletions(-) diff --git a/lib/node_modules/@stdlib/blas/base/csscal/manifest.json b/lib/node_modules/@stdlib/blas/base/csscal/manifest.json index ba1a33cce11e..5b4f3d248e5c 100644 --- a/lib/node_modules/@stdlib/blas/base/csscal/manifest.json +++ b/lib/node_modules/@stdlib/blas/base/csscal/manifest.json @@ -71,10 +71,7 @@ "dependencies": [ "@stdlib/blas/base/shared", "@stdlib/strided/base/stride2offset", - "@stdlib/math/base/assert/is-nanf", "@stdlib/complex/float32/ctor", - "@stdlib/complex/float32/real", - "@stdlib/complex/float32/imag", "@stdlib/complex/float32/base/scale" ] }, @@ -96,8 +93,6 @@ "@stdlib/blas/base/shared", "@stdlib/strided/base/stride2offset", "@stdlib/complex/float32/ctor", - "@stdlib/complex/float32/real", - "@stdlib/complex/float32/imag", "@stdlib/complex/float32/base/scale" ] }, @@ -148,10 +143,7 @@ "dependencies": [ "@stdlib/blas/base/shared", "@stdlib/strided/base/min-view-buffer-index", - "@stdlib/math/base/assert/is-nanf", - "@stdlib/complex/float32/ctor", - "@stdlib/complex/float32/real", - "@stdlib/complex/float32/imag" + "@stdlib/complex/float32/ctor" ] }, { @@ -173,9 +165,7 @@ "dependencies": [ "@stdlib/blas/base/shared", "@stdlib/strided/base/min-view-buffer-index", - "@stdlib/complex/float32/ctor", - "@stdlib/complex/float32/real", - "@stdlib/complex/float32/imag" + "@stdlib/complex/float32/ctor" ] }, @@ -222,10 +212,7 @@ "dependencies": [ "@stdlib/blas/base/shared", "@stdlib/strided/base/stride2offset", - "@stdlib/math/base/assert/is-nanf", "@stdlib/complex/float32/ctor", - "@stdlib/complex/float32/real", - "@stdlib/complex/float32/imag", "@stdlib/complex/float32/base/scale" ] }, @@ -247,8 +234,6 @@ "@stdlib/blas/base/shared", "@stdlib/strided/base/stride2offset", "@stdlib/complex/float32/ctor", - "@stdlib/complex/float32/real", - "@stdlib/complex/float32/imag", "@stdlib/complex/float32/base/scale" ] }, @@ -297,10 +282,7 @@ "dependencies": [ "@stdlib/blas/base/shared", "@stdlib/strided/base/min-view-buffer-index", - "@stdlib/math/base/assert/is-nanf", - "@stdlib/complex/float32/ctor", - "@stdlib/complex/float32/real", - "@stdlib/complex/float32/imag" + "@stdlib/complex/float32/ctor" ] }, { @@ -321,9 +303,7 @@ "dependencies": [ "@stdlib/blas/base/shared", "@stdlib/strided/base/min-view-buffer-index", - "@stdlib/complex/float32/ctor", - "@stdlib/complex/float32/real", - "@stdlib/complex/float32/imag" + "@stdlib/complex/float32/ctor" ] }, @@ -373,10 +353,7 @@ "dependencies": [ "@stdlib/blas/base/shared", "@stdlib/strided/base/min-view-buffer-index", - "@stdlib/math/base/assert/is-nanf", - "@stdlib/complex/float32/ctor", - "@stdlib/complex/float32/real", - "@stdlib/complex/float32/imag" + "@stdlib/complex/float32/ctor" ] }, { @@ -398,9 +375,7 @@ "dependencies": [ "@stdlib/blas/base/shared", "@stdlib/strided/base/min-view-buffer-index", - "@stdlib/complex/float32/ctor", - "@stdlib/complex/float32/real", - "@stdlib/complex/float32/imag" + "@stdlib/complex/float32/ctor" ] }, @@ -447,10 +422,7 @@ "dependencies": [ "@stdlib/blas/base/shared", "@stdlib/strided/base/stride2offset", - "@stdlib/math/base/assert/is-nanf", "@stdlib/complex/float32/ctor", - "@stdlib/complex/float32/real", - "@stdlib/complex/float32/imag", "@stdlib/complex/float32/base/scale" ] }, @@ -472,8 +444,6 @@ "@stdlib/blas/base/shared", "@stdlib/strided/base/stride2offset", "@stdlib/complex/float32/ctor", - "@stdlib/complex/float32/real", - "@stdlib/complex/float32/imag", "@stdlib/complex/float32/base/scale" ] }, From 2bf964eec5465a9f6dcd5db2cc853a61e868c5f7 Mon Sep 17 00:00:00 2001 From: kaustubh Date: Thu, 28 May 2026 14:48:38 +0530 Subject: [PATCH 9/9] fix: update the example.c implementation --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown status: na - task: lint_package_json status: na - task: lint_repl_help status: na - task: lint_javascript_src status: na - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: na - task: lint_javascript_benchmarks status: na - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: na - task: lint_c_examples status: missing_dependencies - task: lint_c_benchmarks status: na - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../blas/base/csscal/examples/c/example.c | 26 ++++++++++--------- .../@stdlib/blas/base/csscal/manifest.json | 18 ++++++++++--- 2 files changed, 29 insertions(+), 15 deletions(-) diff --git a/lib/node_modules/@stdlib/blas/base/csscal/examples/c/example.c b/lib/node_modules/@stdlib/blas/base/csscal/examples/c/example.c index df06cc3d9d36..d437841dd354 100644 --- a/lib/node_modules/@stdlib/blas/base/csscal/examples/c/example.c +++ b/lib/node_modules/@stdlib/blas/base/csscal/examples/c/example.c @@ -17,34 +17,36 @@ */ #include "stdlib/blas/base/csscal.h" +#include "stdlib/complex/float32/ctor.h" +#include "stdlib/complex/float32/real.h" +#include "stdlib/complex/float32/imag.h" #include int main( void ) { - // Create a strided array of interleaved real and imaginary components: - float x[] = { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f }; - - // Create a real scalar: - const float alpha = 2.0f; + stdlib_complex64_t x[] = { + stdlib_complex64( 1.0f, 2.0f ), + stdlib_complex64( 3.0f, 4.0f ), + stdlib_complex64( 5.0f, 6.0f ), + stdlib_complex64( 7.0f, 8.0f ) + }; // Specify the number of elements: const int N = 4; - // Specify stride length: + // Specify the stride length: const int strideX = 1; - // Scale the elements of the array: - c_csscal( N, alpha, (void *)x, strideX ); + c_csscal( N, 2.0f, (void *)x, strideX ); // Print the result: for ( int i = 0; i < N; i++ ) { - printf( "x[ %i ] = %f + %fj\n", i, x[ i*2 ], x[ (i*2)+1 ] ); + printf( "x[ %i ] = %f + %fj\n", i, stdlib_complex64_real( x[ i ] ), stdlib_complex64_imag( x[ i ] ) ); } - // Scale the elements of the array using alternative indexing semantics: - c_csscal_ndarray( N, alpha, (void *)x, -strideX, 3 ); + c_csscal_ndarray( N, 2.0f, (void *)x, strideX, 0 ); // Print the result: for ( int i = 0; i < N; i++ ) { - printf( "x[ %i ] = %f + %fj\n", i, x[ i*2 ], x[ (i*2)+1 ] ); + printf( "x[ %i ] = %f + %fj\n", i, stdlib_complex64_real( x[ i ] ), stdlib_complex64_imag( x[ i ] ) ); } } diff --git a/lib/node_modules/@stdlib/blas/base/csscal/manifest.json b/lib/node_modules/@stdlib/blas/base/csscal/manifest.json index 5b4f3d248e5c..8ccd02922b8b 100644 --- a/lib/node_modules/@stdlib/blas/base/csscal/manifest.json +++ b/lib/node_modules/@stdlib/blas/base/csscal/manifest.json @@ -93,6 +93,8 @@ "@stdlib/blas/base/shared", "@stdlib/strided/base/stride2offset", "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/real", + "@stdlib/complex/float32/imag", "@stdlib/complex/float32/base/scale" ] }, @@ -165,7 +167,9 @@ "dependencies": [ "@stdlib/blas/base/shared", "@stdlib/strided/base/min-view-buffer-index", - "@stdlib/complex/float32/ctor" + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/real", + "@stdlib/complex/float32/imag" ] }, @@ -234,6 +238,8 @@ "@stdlib/blas/base/shared", "@stdlib/strided/base/stride2offset", "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/real", + "@stdlib/complex/float32/imag", "@stdlib/complex/float32/base/scale" ] }, @@ -303,7 +309,9 @@ "dependencies": [ "@stdlib/blas/base/shared", "@stdlib/strided/base/min-view-buffer-index", - "@stdlib/complex/float32/ctor" + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/real", + "@stdlib/complex/float32/imag" ] }, @@ -375,7 +383,9 @@ "dependencies": [ "@stdlib/blas/base/shared", "@stdlib/strided/base/min-view-buffer-index", - "@stdlib/complex/float32/ctor" + "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/real", + "@stdlib/complex/float32/imag" ] }, @@ -444,6 +454,8 @@ "@stdlib/blas/base/shared", "@stdlib/strided/base/stride2offset", "@stdlib/complex/float32/ctor", + "@stdlib/complex/float32/real", + "@stdlib/complex/float32/imag", "@stdlib/complex/float32/base/scale" ] },