_kiss_fft_guts.h File Reference

#include "kiss_fft.h"
#include <limits.h>

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Classes
struct	kiss_fft_state
Defines
#define	MIN(a, b)   ((a)<(b) ? (a):(b))
#define	MAX(a, b)   ((a)>(b) ? (a):(b))
#define	MAXFACTORS   32
#define	S_MUL(a, b)   ( (a)*(b) )
#define	C_MUL(m, a, b)
#define	C_FIXDIV(c, div)
#define	C_MULBYSCALAR(c, s)
#define	CHECK_OVERFLOW_OP(a, op, b)
#define	C_ADD(res, a, b)
#define	C_SUB(res, a, b)
#define	C_ADDTO(res, a)
#define	C_SUBFROM(res, a)
#define	KISS_FFT_COS(phase)   (kiss_fft_scalar) cos(phase)
#define	KISS_FFT_SIN(phase)   (kiss_fft_scalar) sin(phase)
#define	HALF_OF(x)   ((x)*.5)
#define	kf_cexp(x, phase)
#define	pcpx(c)   fprintf(stderr,"%g + %gi\n",(double)((c)->r),(double)((c)->i) )

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Define Documentation

#define C_ADD	(	res,
		a,
		b		)

Value:

do { \
            CHECK_OVERFLOW_OP((a).r,+,(b).r)\
            CHECK_OVERFLOW_OP((a).i,+,(b).i)\
            (res).r=(a).r+(b).r;  (res).i=(a).i+(b).i; \
    }while(0)

#define C_ADDTO	(	res,
		a		)

Value:

do { \
            CHECK_OVERFLOW_OP((res).r,+,(a).r)\
            CHECK_OVERFLOW_OP((res).i,+,(a).i)\
            (res).r += (a).r;  (res).i += (a).i;\
    }while(0)

#define C_FIXDIV	(	c,
		div		)

#define C_MUL	(	m,
		a,
		b		)

Value:

do{ (m).r = (a).r*(b).r - (a).i*(b).i;\
        (m).i = (a).r*(b).i + (a).i*(b).r; }while(0)

#define C_MULBYSCALAR	(	c,
		s		)

Value:

do{ (c).r *= (s);\
        (c).i *= (s); }while(0)

#define C_SUB	(	res,
		a,
		b		)

Value:

do { \
            CHECK_OVERFLOW_OP((a).r,-,(b).r)\
            CHECK_OVERFLOW_OP((a).i,-,(b).i)\
            (res).r=(a).r-(b).r;  (res).i=(a).i-(b).i; \
    }while(0)

#define C_SUBFROM	(	res,
		a		)

Value:

do {\
            CHECK_OVERFLOW_OP((res).r,-,(a).r)\
            CHECK_OVERFLOW_OP((res).i,-,(a).i)\
            (res).r -= (a).r;  (res).i -= (a).i; \
    }while(0)

#define CHECK_OVERFLOW_OP	(	a,
		op,
		b		)

#define HALF_OF

(

x

)

((x)*.5)

#define kf_cexp	(	x,
		phase		)

Value:

do{ \
                (x)->r = KISS_FFT_COS(phase);\
                (x)->i = KISS_FFT_SIN(phase);\
        }while(0)

#define KISS_FFT_COS

(

phase

)

(kiss_fft_scalar) cos(phase)

#define KISS_FFT_SIN

(

phase

)

(kiss_fft_scalar) sin(phase)

#define MAX	(	a,
		b		)	((a)>(b) ? (a):(b))

#define MAXFACTORS   32

#define MIN	(	a,
		b		)	((a)<(b) ? (a):(b))

#define pcpx

(

c

)

fprintf(stderr,"%g + %gi\n",(double)((c)->r),(double)((c)->i) )

#define S_MUL	(	a,
		b		)	( (a)*(b) )

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