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refactor: add isnan guards #13362

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Merged
kgryte merged 1 commit into from
Jul 7, 2026
Merged

refactor: add isnan guards #13362

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8 changes: 7 additions & 1 deletion lib/node_modules/@stdlib/stats/base/dists/beta/entropy/lib/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@

// MODULES //

var isnan = require( '@stdlib/math/base/assert/is-nan' );
var digamma = require( '@stdlib/math/base/special/digamma' );
var betaln = require( '@stdlib/math/base/special/betaln' );

Expand Down Expand Up @@ -63,7 +64,12 @@ var betaln = require( '@stdlib/math/base/special/betaln' );
*/
function entropy( alpha, beta ) {
var out;
if ( alpha <= 0.0 || beta <= 0.0 ) {
if (
isnan( alpha ) ||
alpha <= 0.0 ||
isnan( beta ) ||
beta <= 0.0
) {
return NaN;
}
out = betaln( alpha, beta );
Expand Down
12 changes: 11 additions & 1 deletion lib/node_modules/@stdlib/stats/base/dists/beta/kurtosis/lib/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,11 @@

'use strict';

// MODULES //

var isnan = require( '@stdlib/math/base/assert/is-nan' );


// MAIN //

/**
Expand Down Expand Up @@ -61,7 +66,12 @@ function kurtosis( alpha, beta ) {
var apb;
var out;

if ( alpha <= 0.0 || beta <= 0.0 ) {
if (
isnan( alpha ) ||
alpha <= 0.0 ||
isnan( beta ) ||
beta <= 0.0
) {
return NaN;
}
axb = alpha * beta;
Expand Down
12 changes: 11 additions & 1 deletion lib/node_modules/@stdlib/stats/base/dists/beta/mean/lib/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,11 @@

'use strict';

// MODULES //

var isnan = require( '@stdlib/math/base/assert/is-nan' );


// MAIN //

/**
Expand Down Expand Up @@ -56,7 +61,12 @@
* // returns NaN
*/
function mean( alpha, beta ) {
if ( alpha <= 0.0 || beta <= 0.0 ) {
if (
isnan( alpha ) ||
alpha <= 0.0 ||
isnan( beta ) ||
beta <= 0.0
) {
return NaN;
}
return alpha / ( alpha + beta );
Expand Down
8 changes: 7 additions & 1 deletion lib/node_modules/@stdlib/stats/base/dists/beta/median/lib/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@

// MODULES //

var isnan = require( '@stdlib/math/base/assert/is-nan' );
var betaincinv = require( '@stdlib/math/base/special/betaincinv' );


Expand Down Expand Up @@ -61,7 +62,12 @@ var betaincinv = require( '@stdlib/math/base/special/betaincinv' );
* // returns NaN
*/
function median( alpha, beta ) {
if ( alpha <= 0.0 || beta <= 0.0 ) {
if (
isnan( alpha ) ||
alpha <= 0.0 ||
isnan( beta ) ||
beta <= 0.0
) {
return NaN;
}
return betaincinv( 0.5, alpha, beta );
Expand Down
12 changes: 11 additions & 1 deletion lib/node_modules/@stdlib/stats/base/dists/beta/mode/lib/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,11 @@

'use strict';

// MODULES //

var isnan = require( '@stdlib/math/base/assert/is-nan' );


// MAIN //

/**
Expand Down Expand Up @@ -56,7 +61,12 @@
* // returns NaN
*/
function mode( alpha, beta ) {
if ( alpha <= 1.0 || beta <= 1.0 ) {
if (
isnan( alpha ) ||
alpha <= 1.0 ||
isnan( beta ) ||
beta <= 1.0
) {
return NaN;
}
return ( alpha-1.0 ) / ( alpha+beta-2.0 );
Expand Down
8 changes: 7 additions & 1 deletion lib/node_modules/@stdlib/stats/base/dists/beta/skewness/lib/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@

// MODULES //

var isnan = require( '@stdlib/math/base/assert/is-nan' );
var sqrt = require( '@stdlib/math/base/special/sqrt' );


Expand Down Expand Up @@ -63,7 +64,12 @@ var sqrt = require( '@stdlib/math/base/special/sqrt' );
function skewness( alpha, beta ) {
var out;
var ab;
if ( alpha <= 0.0 || beta <= 0.0 ) {
if (
isnan( alpha ) ||
alpha <= 0.0 ||
isnan( beta ) ||
beta <= 0.0
) {
return NaN;
}
ab = alpha + beta;
Expand Down
8 changes: 7 additions & 1 deletion lib/node_modules/@stdlib/stats/base/dists/beta/stdev/lib/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@

// MODULES //

var isnan = require( '@stdlib/math/base/assert/is-nan' );
var sqrt = require( '@stdlib/math/base/special/sqrt' );


Expand Down Expand Up @@ -63,7 +64,12 @@ var sqrt = require( '@stdlib/math/base/special/sqrt' );
function stdev( alpha, beta ) {
var apb;
var out;
if ( alpha <= 0.0 || beta <= 0.0 ) {
if (
isnan( alpha ) ||
alpha <= 0.0 ||
isnan( beta ) ||
beta <= 0.0
) {
return NaN;
}
apb = alpha + beta;
Expand Down
12 changes: 11 additions & 1 deletion lib/node_modules/@stdlib/stats/base/dists/beta/variance/lib/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,11 @@

'use strict';

// MODULES //

var isnan = require( '@stdlib/math/base/assert/is-nan' );


// MAIN //

/**
Expand Down Expand Up @@ -58,7 +63,12 @@
function variance( alpha, beta ) {
var apb;
var out;
if ( alpha <= 0.0 || beta <= 0.0 ) {
if (
isnan( alpha ) ||
alpha <= 0.0 ||
isnan( beta ) ||
beta <= 0.0
) {
return NaN;
}
apb = alpha + beta;
Expand Down
12 changes: 11 additions & 1 deletion lib/node_modules/@stdlib/stats/base/dists/betaprime/mean/lib/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,11 @@

'use strict';

// MODULES //

var isnan = require( '@stdlib/math/base/assert/is-nan' );


// MAIN //

/**
Expand Down Expand Up @@ -60,7 +65,12 @@
* // returns NaN
*/
function mean( alpha, beta ) {
if ( alpha <= 0.0 || beta <= 1.0 ) {
if (
isnan( alpha ) ||
alpha <= 0.0 ||
isnan( beta ) ||
beta <= 1.0
) {
return NaN;
}
return alpha / ( beta - 1.0 );
Expand Down
12 changes: 11 additions & 1 deletion lib/node_modules/@stdlib/stats/base/dists/betaprime/mode/lib/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,11 @@

'use strict';

// MODULES //

var isnan = require( '@stdlib/math/base/assert/is-nan' );


// MAIN //

/**
Expand Down Expand Up @@ -60,7 +65,12 @@
* // returns NaN
*/
function mode( alpha, beta ) {
if ( alpha <= 0.0 || beta <= 0.0 ) {
if (
isnan( alpha ) ||
alpha <= 0.0 ||
isnan( beta ) ||
beta <= 0.0
) {
return NaN;
}
if ( alpha < 1.0 ) {
Expand Down
8 changes: 7 additions & 1 deletion lib/node_modules/@stdlib/stats/base/dists/f/kurtosis/lib/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@

// MODULES //

var isnan = require( '@stdlib/math/base/assert/is-nan' );
var pow = require( '@stdlib/math/base/special/pow' );


Expand Down Expand Up @@ -68,7 +69,12 @@ function kurtosis( d1, d2 ) {
var denom;
var num;

if ( d1 <= 0.0 || d2 <= 8.0 ) {
if (
isnan( d1 ) ||
d1 <= 0.0 ||
isnan( d2 ) ||
d2 <= 8.0
) {
return NaN;
}
num = ( d1 * ( ( 5.0*d2 ) - 22.0 ) * ( d1+d2-2.0 ) ) +
Expand Down
12 changes: 11 additions & 1 deletion lib/node_modules/@stdlib/stats/base/dists/f/mode/lib/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,11 @@

'use strict';

// MODULES //

var isnan = require( '@stdlib/math/base/assert/is-nan' );


// MAIN //

/**
Expand Down Expand Up @@ -56,7 +61,12 @@
* // returns NaN
*/
function mode( d1, d2 ) {
if ( d1 <= 2.0 || d2 <= 0.0 ) {
if (
isnan( d1 ) ||
d1 <= 2.0 ||
isnan( d2 ) ||
d2 <= 0.0
) {
return NaN;
}
return ( ( d1-2.0 ) / d1 ) * ( d2 / ( d2+2.0 ) );
Expand Down
8 changes: 7 additions & 1 deletion lib/node_modules/@stdlib/stats/base/dists/f/skewness/lib/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@

// MODULES //

var isnan = require( '@stdlib/math/base/assert/is-nan' );
var sqrt = require( '@stdlib/math/base/special/sqrt' );


Expand Down Expand Up @@ -66,7 +67,12 @@ var sqrt = require( '@stdlib/math/base/special/sqrt' );
*/
function skewness( d1, d2 ) {
var out;
if ( d1 <= 0.0 || d2 <= 6.0 ) {
if (
isnan( d1 ) ||
d1 <= 0.0 ||
isnan( d2 ) ||
d2 <= 6.0
) {
return NaN;
}
out = ( ( 2.0*d1 ) + d2 - 2.0 ) * sqrt( 8.0 * ( d2-4.0 ) );
Expand Down
8 changes: 7 additions & 1 deletion lib/node_modules/@stdlib/stats/base/dists/f/stdev/lib/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@

// MODULES //

var isnan = require( '@stdlib/math/base/assert/is-nan' );
var sqrt = require( '@stdlib/math/base/special/sqrt' );
var SQRT2 = require( '@stdlib/constants/float64/sqrt-two' );

Expand Down Expand Up @@ -67,7 +68,12 @@ var SQRT2 = require( '@stdlib/constants/float64/sqrt-two' );
*/
function stdev( d1, d2 ) {
var out;
if ( d1 <= 0.0 || d2 <= 4.0 ) {
if (
isnan( d1 ) ||
d1 <= 0.0 ||
isnan( d2 ) ||
d2 <= 4.0
) {
return NaN;
}
out = SQRT2 * ( d2 / ( d2-2.0 ) );
Expand Down
8 changes: 7 additions & 1 deletion lib/node_modules/@stdlib/stats/base/dists/f/variance/lib/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@

// MODULES //

var isnan = require( '@stdlib/math/base/assert/is-nan' );
var pow = require( '@stdlib/math/base/special/pow' );


Expand Down Expand Up @@ -66,7 +67,12 @@ var pow = require( '@stdlib/math/base/special/pow' );
*/
function variance( d1, d2 ) {
var out;
if ( d1 <= 0.0 || d2 <= 4.0 ) {
if (
isnan( d1 ) ||
d1 <= 0.0 ||
isnan( d2 ) ||
d2 <= 4.0
) {
return NaN;
}
out = 2.0 * d2 * d2 * ( d1 + d2 - 2.0 );
Expand Down
8 changes: 7 additions & 1 deletion lib/node_modules/@stdlib/stats/base/dists/gamma/entropy/lib/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@

// MODULES //

var isnan = require( '@stdlib/math/base/assert/is-nan' );
var digamma = require( '@stdlib/math/base/special/digamma' );
var gammaln = require( '@stdlib/math/base/special/gammaln' );
var ln = require( '@stdlib/math/base/special/ln' );
Expand Down Expand Up @@ -64,7 +65,12 @@ var ln = require( '@stdlib/math/base/special/ln' );
*/
function entropy( alpha, beta ) {
var out;
if ( alpha <= 0.0 || beta <= 0.0 ) {
if (
isnan( alpha ) ||
alpha <= 0.0 ||
isnan( beta ) ||
beta <= 0.0
) {
return NaN;
}
out = alpha - ln( beta );
Expand Down
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