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authorMichael Niedermayer <michaelni@gmx.at>2015-06-05 13:30:54 +0200
committerMichael Niedermayer <michaelni@gmx.at>2015-06-05 13:42:05 +0200
commitd3585c53debe4563533def485c9eef876e538073 (patch)
tree0eb1965263ab992d2aadf573fa573814de053d2d /libavutil/softfloat.h
parent19ed3e35a5cd188de69f3635f56d9e51c2f720d5 (diff)
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avutil/softfloat: Move av_sincos_sf() from header to c file
The function is quite big and trigonometric functions should not really be used in speed critical code Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/softfloat.h')
-rw-r--r--libavutil/softfloat.h49
1 files changed, 1 insertions, 48 deletions
diff --git a/libavutil/softfloat.h b/libavutil/softfloat.h
index 7938c20..0f22f05 100644
--- a/libavutil/softfloat.h
+++ b/libavutil/softfloat.h
@@ -175,53 +175,6 @@ static av_always_inline SoftFloat av_sqrt_sf(SoftFloat val)
/**
* Rounding-to-nearest used.
*/
-static av_always_inline 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);
-}
+void av_sincos_sf(int a, int *s, int *c);
#endif /* AVUTIL_SOFTFLOAT_H */
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