Include stdint.h only where fixed point types are used. Use min/max v…

…alues from stdint.h.
trippyogi · Apr 5, 2019 · d1f9113 · d1f9113
1 parent a75f084
commit d1f9113
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Showing 2 changed files with 7 additions and 7 deletions.
diff --git a/_kiss_fft_guts.h b/_kiss_fft_guts.h
@@ -12,7 +12,6 @@
    typedef struct { kiss_fft_scalar r; kiss_fft_scalar i; }kiss_fft_cpx; */
 #include "kiss_fft.h"
 #include <limits.h>
-#include <stdint.h>
 
 #define MAXFACTORS 32
 /* e.g. an fft of length 128 has 4 factors 
@@ -37,18 +36,19 @@ struct kiss_fft_state{
    C_ADDTO( res , a)    : res += a
  * */
 #ifdef FIXED_POINT
+#include <stdint.h>
 #if (FIXED_POINT==32)
 # define FRACBITS 31
 # define SAMPPROD int64_t
-#define SAMP_MAX 2147483647
+#define SAMP_MAX INT32_MAX
+#define SAMP_MIN INT32_MIN
 #else
 # define FRACBITS 15
-# define SAMPPROD int32_t 
-#define SAMP_MAX 32767
+# define SAMPPROD int32_t
+#define SAMP_MAX INT16_MAX
+#define SAMP_MIN INT16_MIN
 #endif
 
-#define SAMP_MIN -SAMP_MAX
-
 #if defined(CHECK_OVERFLOW)
 #  define CHECK_OVERFLOW_OP(a,op,b)  \
 	if ( (SAMPPROD)(a) op (SAMPPROD)(b) > SAMP_MAX || (SAMPPROD)(a) op (SAMPPROD)(b) < SAMP_MIN ) { \

diff --git a/kiss_fft.h b/kiss_fft.h
@@ -43,7 +43,7 @@ extern "C" {
 
 
 #ifdef FIXED_POINT
-#include <sys/types.h>	
+#include <stdint.h>
 # if (FIXED_POINT == 32)
 #  define kiss_fft_scalar int32_t
 # else