From a176bbc873b13430c683625744cb15bd659fcd58 Mon Sep 17 00:00:00 2001 From: James Almer Date: Wed, 22 Jul 2015 22:10:50 -0300 Subject: avutil/softfloat: move av_sincos_sf() back to header Fixes compilation of host tool aacps_fixed_tablegen Reviewed-by: Michael Niedermayer Signed-off-by: James Almer --- libavutil/softfloat.h | 49 ++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 48 insertions(+), 1 deletion(-) (limited to 'libavutil/softfloat.h') diff --git a/libavutil/softfloat.h b/libavutil/softfloat.h index 642a675d67..00ff4a1db1 100644 --- a/libavutil/softfloat.h +++ b/libavutil/softfloat.h @@ -189,6 +189,53 @@ static av_always_inline SoftFloat av_sqrt_sf(SoftFloat val) /** * Rounding-to-nearest used. */ -void av_sincos_sf(int a, int *s, int *c); +static av_unused 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); +} #endif /* AVUTIL_SOFTFLOAT_H */ -- cgit v1.2.3