From d02826dc705c751deccd4133ee3398cc53c88fbe Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Sat, 18 Apr 2026 05:46:47 +0000
Subject: [PATCH] feat(quantized): add dequantize_i8_to_f32

https://claude.ai/code/session_01SbYsmmbPf9YQuYbHZN52Zh
---
 src/hpc/quantized.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/hpc/quantized.rs b/src/hpc/quantized.rs
index c150c349..ffd228ca 100644
--- a/src/hpc/quantized.rs
+++ b/src/hpc/quantized.rs
@@ -229,6 +229,11 @@ pub fn quantize_f32_to_i8(data: &[f32]) -> (Vec<i8>, QuantParams) {
     (quantized, QuantParams { scale, zero_point: 0, min_val, max_val })
 }
 
+/// Dequantize i8 to f32.
+pub fn dequantize_i8_to_f32(data: &[i8], params: &QuantParams, len: usize) -> Vec<f32> {
+    data.iter().take(len).map(|&q| q as f32 * params.scale).collect()
+}
+
 /// Per-channel i8 quantization (per row).
 pub fn quantize_per_channel_i8(
     data: &[f32],