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Include stdint.h only where fixed point types are used. Use min/max values from stdint.h.

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This commit is contained in:
Jason Heeris 2019-04-05 19:08:00 +11:00
parent a75f08488c
commit d1f9113c51
2 changed files with 7 additions and 7 deletions
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10
_kiss_fft_guts.h
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@ -12,7 +12,6 @@
typedef struct { kiss_fft_scalar r; kiss_fft_scalar i; }kiss_fft_cpx; */ typedef struct { kiss_fft_scalar r; kiss_fft_scalar i; }kiss_fft_cpx; */
#include "kiss_fft.h" #include "kiss_fft.h"
#include <limits.h> #include <limits.h>
#include <stdint.h>
#define MAXFACTORS 32 #define MAXFACTORS 32
/* e.g. an fft of length 128 has 4 factors /* e.g. an fft of length 128 has 4 factors
@ -37,18 +36,19 @@ struct kiss_fft_state{
C_ADDTO( res , a) : res += a C_ADDTO( res , a) : res += a
* */ * */
#ifdef FIXED_POINT #ifdef FIXED_POINT
#include <stdint.h>
#if (FIXED_POINT==32) #if (FIXED_POINT==32)
# define FRACBITS 31 # define FRACBITS 31
# define SAMPPROD int64_t # define SAMPPROD int64_t
#define SAMP_MAX 2147483647 #define SAMP_MAX INT32_MAX
#define SAMP_MIN INT32_MIN
#else #else
# define FRACBITS 15 # define FRACBITS 15
# define SAMPPROD int32_t # define SAMPPROD int32_t
#define SAMP_MAX 32767 #define SAMP_MAX INT16_MAX
#define SAMP_MIN INT16_MIN
#endif #endif
#define SAMP_MIN -SAMP_MAX
#if defined(CHECK_OVERFLOW) #if defined(CHECK_OVERFLOW)
# define CHECK_OVERFLOW_OP(a,op,b) \ # define CHECK_OVERFLOW_OP(a,op,b) \
if ( (SAMPPROD)(a) op (SAMPPROD)(b) > SAMP_MAX || (SAMPPROD)(a) op (SAMPPROD)(b) < SAMP_MIN ) { \ if ( (SAMPPROD)(a) op (SAMPPROD)(b) > SAMP_MAX || (SAMPPROD)(a) op (SAMPPROD)(b) < SAMP_MIN ) { \

2
kiss_fft.h
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@ -43,7 +43,7 @@ extern "C" {
#ifdef FIXED_POINT #ifdef FIXED_POINT
#include <sys/types.h> #include <stdint.h>
# if (FIXED_POINT == 32) # if (FIXED_POINT == 32)
# define kiss_fft_scalar int32_t # define kiss_fft_scalar int32_t
# else # else