CMSIS-DSP: Fix for issue 874

6 years ago · 017962caec
parent 2e712fe8a8
commit 017962caec
1 changed files with 11 additions and 4 deletions
--- a/Source/BasicMathFunctions/arm_scale_f32.c
+++ b/Source/BasicMathFunctions/arm_scale_f32.c
@ -164,16 +164,23 @@ void arm_scale_f32(

  while (blkCnt > 0U)
  {
+    float32_t in1, in2, in3, in4;
+
    /* C = A * scale */

    /* Scale input and store result in destination buffer. */
-    *pDst++ = (*pSrc++) * scale;
+    in1 = (*pSrc++) * scale;

-    *pDst++ = (*pSrc++) * scale;
+    in2 = (*pSrc++) * scale;

-    *pDst++ = (*pSrc++) * scale;
+    in3 = (*pSrc++) * scale;

-    *pDst++ = (*pSrc++) * scale;
+    in4 = (*pSrc++) * scale;
+
+    *pDst++ = in1;
+    *pDst++ = in2;
+    *pDst++ = in3;
+    *pDst++ = in4;

    /* Decrement loop counter */
    blkCnt--;