Laxmi Kant Tiwari / mbed-dsp

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Fork of mbed-dsp by mbed official

Files at this revision

API Documentation at this revision

Revision 4:9cee975aadce, committed 2014-06-23

Comitter:
mbed_official
Date:
Mon Jun 23 09:30:09 2014 +0100
Parent:
3:7a284390b0ce
Commit message:
Synchronized with git revision 6e7c7bcec41226f536474daae3c13d49e4c0e865

Full URL: https://github.com/mbedmicro/mbed/commit/6e7c7bcec41226f536474daae3c13d49e4c0e865/

Fix signed unsigned compare in dsp library

Changed in this revision

cmsis_dsp/SupportFunctions/math_helper.c Show annotated file Show diff for this revision Revisions of this file
dsp/Sine_f32.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/cmsis_dsp/SupportFunctions/math_helper.c	Fri Nov 08 13:45:10 2013 +0000
+++ b/cmsis_dsp/SupportFunctions/math_helper.c	Mon Jun 23 09:30:09 2014 +0100
@@ -164,7 +164,8 @@
 uint32_t arm_compare_fixed_q15(q15_t *pIn, q15_t * pOut, uint32_t numSamples)
 {
   uint32_t i; 
-  int32_t diff, diffCrnt = 0;
+  int32_t diff;
+  uint32_t diffCrnt = 0;
   uint32_t maxDiff = 0;
 
   for (i = 0; i < numSamples; i++)
@@ -192,7 +193,8 @@
 uint32_t arm_compare_fixed_q31(q31_t *pIn, q31_t * pOut, uint32_t numSamples)
 {
   uint32_t i; 
-  int32_t diff, diffCrnt = 0;
+  int32_t diff;
+  uint32_t diffCrnt = 0;
   uint32_t maxDiff = 0;
 
   for (i = 0; i < numSamples; i++)

--- a/dsp/Sine_f32.cpp	Fri Nov 08 13:45:10 2013 +0000
+++ b/dsp/Sine_f32.cpp	Mon Jun 23 09:30:09 2014 +0100
@@ -34,7 +34,7 @@
 }
 
 void Sine_f32::process(float32_t *sgn_in, float32_t *sgn_out) {
-    for (int i=0; i<_block_size; i++) {
+    for (uint32_t i=0; i<_block_size; i++) {
         *sgn_out = *sgn_in + (_amplitude * arm_sin_f32(_x));
         sgn_in++; sgn_out++;
         _x += _dx;
@@ -42,7 +42,7 @@
 }
 
 void Sine_f32::generate(float32_t *sgn) {
-    for (int i=0; i<_block_size; i++) {
+    for (uint32_t i=0; i<_block_size; i++) {
         *sgn = (_amplitude * arm_sin_f32(_x));
         sgn++;
         _x += _dx;