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replaced void pointers with pointers to forward declared structs

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Mark Borgerding
2004-02-24 01:29:25 +00:00
parent d1e99f297b
commit dda6f9638e
10 changed files with 85 additions and 51 deletions
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31
tools/kiss_fftr.c
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@ -12,19 +12,19 @@ Redistribution and use in source and binary forms, with or without modification,
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "kiss_fftr.h"
#include "_kiss_fft_guts.h"
typedef struct {
int minus3; /*magic to signify a 1-d real transform*/
kiss_fft_state * substate;
struct kiss_fftr_state{
kiss_fft_cfg substate;
kiss_fft_cpx * tmpbuf;
kiss_fft_cpx * super_twiddles;
}kiss_fftr_state;
};
void * kiss_fftr_alloc(int nfft,int inverse_fft,void * mem,size_t * lenmem)
kiss_fftr_cfg kiss_fftr_alloc(int nfft,int inverse_fft,void * mem,size_t * lenmem)
{
int i;
kiss_fftr_state *st = NULL;
kiss_fftr_cfg st = NULL;
size_t subsize, memneeded;
if (nfft & 1) {
@ -34,20 +34,19 @@ void * kiss_fftr_alloc(int nfft,int inverse_fft,void * mem,size_t * lenmem)
nfft >>= 1;
kiss_fft_alloc (nfft, inverse_fft, NULL, &subsize);
memneeded = sizeof(kiss_fftr_state) + subsize + sizeof(kiss_fft_cpx) * ( nfft * 2);
memneeded = sizeof(struct kiss_fftr_state) + subsize + sizeof(kiss_fft_cpx) * ( nfft * 2);
if (lenmem == NULL) {
st = (kiss_fftr_state *) malloc (memneeded);
st = (kiss_fftr_cfg) malloc (memneeded);
} else {
if (*lenmem >= memneeded)
st = (kiss_fftr_state *) mem;
st = (kiss_fftr_cfg) mem;
*lenmem = memneeded;
}
if (!st)
return NULL;
st->minus3 = -3;
st->substate = (kiss_fft_state *) (st + 1); /*just beyond kiss_fftr_state struct */
st->substate = (kiss_fft_cfg) (st + 1); /*just beyond kiss_fftr_state struct */
st->tmpbuf = (kiss_fft_cpx *) (((char *) st->substate) + subsize);
st->super_twiddles = st->tmpbuf + nfft;
kiss_fft_alloc(nfft, inverse_fft, st->substate, &subsize);
@ -62,13 +61,12 @@ void * kiss_fftr_alloc(int nfft,int inverse_fft,void * mem,size_t * lenmem)
return st;
}
void kiss_fftr(const void * cfg,const kiss_fft_scalar *timedata,kiss_fft_cpx *freqdata)
void kiss_fftr(kiss_fftr_cfg st,const kiss_fft_scalar *timedata,kiss_fft_cpx *freqdata)
{
/* input buffer timedata is stored row-wise */
kiss_fftr_state *st = ( kiss_fftr_state *)cfg;
int k,N;
if ( st->minus3 != -3 || st->substate->inverse) {
if ( st->substate->inverse) {
fprintf(stderr,"kiss fft usage error: improper alloc\n");
exit(1);
}
@ -107,13 +105,12 @@ void kiss_fftr(const void * cfg,const kiss_fft_scalar *timedata,kiss_fft_cpx *fr
C_FIXDIV(freqdata[N],2);
}
void kiss_fftri(const void * cfg,const kiss_fft_cpx *freqdata,kiss_fft_scalar *timedata)
void kiss_fftri(kiss_fftr_cfg st,const kiss_fft_cpx *freqdata,kiss_fft_scalar *timedata)
{
/* input buffer timedata is stored row-wise */
kiss_fftr_state *st = (kiss_fftr_state *) cfg;
int k, N;
if (st->minus3 != -3 || st->substate->inverse == 0) {
if (st->substate->inverse == 0) {
fprintf (stderr, "kiss fft usage error: improper alloc\n");
exit (1);
}