#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>