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Code Issues Releases Activity

avutil/softfloat: move av_sincos_sf() back to header

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Fixes compilation of host tool aacps_fixed_tablegen

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2015-07-22 22:10:50 -03:00
parent 1acb19d12b
commit a176bbc873
3 changed files with 48 additions and 51 deletions
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49
libavutil/softfloat.c
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@ -23,55 +23,6 @@
#include "common.h"
#include "log.h"
void av_sincos_sf(int a, int *s, int *c)
{
int idx, sign;
int sv, cv;
int st, ct;
idx = a >> 26;
sign = (idx << 27) >> 31;
cv = av_costbl_1_sf[idx & 0xf];
cv = (cv ^ sign) - sign;
idx -= 8;
sign = (idx << 27) >> 31;
sv = av_costbl_1_sf[idx & 0xf];
sv = (sv ^ sign) - sign;
idx = a >> 21;
ct = av_costbl_2_sf[idx & 0x1f];
st = av_sintbl_2_sf[idx & 0x1f];
idx = (int)(((int64_t)cv * ct - (int64_t)sv * st + 0x20000000) >> 30);
sv = (int)(((int64_t)cv * st + (int64_t)sv * ct + 0x20000000) >> 30);
cv = idx;
idx = a >> 16;
ct = av_costbl_3_sf[idx & 0x1f];
st = av_sintbl_3_sf[idx & 0x1f];
idx = (int)(((int64_t)cv * ct - (int64_t)sv * st + 0x20000000) >> 30);
sv = (int)(((int64_t)cv * st + (int64_t)sv * ct + 0x20000000) >> 30);
cv = idx;
idx = a >> 11;
ct = (int)(((int64_t)av_costbl_4_sf[idx & 0x1f] * (0x800 - (a & 0x7ff)) +
(int64_t)av_costbl_4_sf[(idx & 0x1f)+1]*(a & 0x7ff) +
0x400) >> 11);
st = (int)(((int64_t)av_sintbl_4_sf[idx & 0x1f] * (0x800 - (a & 0x7ff)) +
(int64_t)av_sintbl_4_sf[(idx & 0x1f) + 1] * (a & 0x7ff) +
0x400) >> 11);
*c = (int)(((int64_t)cv * ct + (int64_t)sv * st + 0x20000000) >> 30);
*s = (int)(((int64_t)cv * st + (int64_t)sv * ct + 0x20000000) >> 30);
}
#ifdef TEST
#include <stdio.h>