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Merge pull request #22 from detly/master

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Include stdint.h only where fixed point types are used. Use min/max v…
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mborgerding 2019-04-05 05:56:08 -04:00 committed by GitHub
commit 36dbc05760
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2 changed files with 7 additions and 7 deletions
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12
_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; */
#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 ) { \

2
kiss_fft.h
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@ -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