For systems with broken libms.
Tested with NAN, -NAN, INFINITY, -INFINITY, +/-x for regular double x and
combinations of these.
Old versions of MSVC need some UINT64_C hackery.
Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Reviewed-by: Hendrik Leppkes <h.leppkes@gmail.com>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
delogo_filter_deps="gpl"
deshake_filter_select="pixelutils"
drawtext_filter_deps="libfreetype"
-dynaudnorm_filter_deps="copysign erf"
+dynaudnorm_filter_deps="erf"
ebur128_filter_deps="gpl"
eq_filter_deps="gpl"
fftfilt_filter_deps="avcodec"
}
#endif
+#if !HAVE_COPYSIGN
+static av_always_inline double copysign(double x, double y)
+{
+ uint64_t vx = av_double2int(x);
+ uint64_t vy = av_double2int(y);
+ return av_int2double((vx & UINT64_C(0x7fffffffffffffff)) | (vy & UINT64_C(0x8000000000000000)));
+}
+#endif
+
#if !HAVE_COSF
#undef cosf
#define cosf(x) ((float)cos(x))