Revert "gguf-py : add Numpy MXFP4 de/quantization support (ggml-org#15111)" c part

Nexesenex · Nexesenex · commit 3c83fcdaf539 · 2025-10-06T17:28:36.000+02:00
diff --git a/ggml/src/ggml-quants.c b/ggml/src/ggml-quants.c
@@ -288,7 +288,7 @@ void quantize_row_mxfp4_ref(const float * GGML_RESTRICT x, block_mxfp4 * GGML_RE
             }
         }
 
-        const uint8_t e = amax > 0.0f ? (uint8_t) (floorf(log2f(amax)) - 2 + 127) : 0;
+        const uint8_t e = (uint8_t) (floorf(log2f(amax)) - 2 + 127);
 
         const float d = GGML_E8M0_TO_FP32_HALF(e);
 

Original file line number	Diff line number	Diff line change
`@@ -288,7 +288,7 @@ void quantize_row_mxfp4_ref(const float * GGML_RESTRICT x, block_mxfp4 * GGML_RE`
`288`	`288`	`}`
`289`	`289`	`}`
`290`	`290`
`291`		`- const uint8_t e = amax > 0.0f ? (uint8_t) (floorf(log2f(amax)) - 2 + 127) : 0;`
	`291`	`+ const uint8_t e = (uint8_t) (floorf(log2f(amax)) - 2 + 127);`
`292`	`292`
`293`	`293`	`const float d = GGML_E8M0_TO_FP32_HALF(e);`
`294`	`294`