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build: add fminf() emulation

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-06-06 14:54:57 +02:00
parent a80342fe56
commit 97508af274
2 changed files with 7 additions and 0 deletions
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2
configure vendored
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@ -1645,6 +1645,7 @@ MATH_FUNCS="
exp2 exp2
exp2f exp2f
expf expf
fminf
isinf isinf
isnan isnan
ldexpf ldexpf
@ -4635,6 +4636,7 @@ disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersi
atan2f_args=2 atan2f_args=2
ldexpf_args=2 ldexpf_args=2
powf_args=2 powf_args=2
fminf_args=2
for func in $MATH_FUNCS; do for func in $MATH_FUNCS; do
eval check_mathfunc $func \${${func}_args:-1} eval check_mathfunc $func \${${func}_args:-1}

5
libavutil/libm.h
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@ -82,6 +82,11 @@ static av_always_inline float cbrtf(float x)
#define exp2f(x) ((float)exp2(x)) #define exp2f(x) ((float)exp2(x))
#endif /* HAVE_EXP2F */ #endif /* HAVE_EXP2F */
#if !HAVE_FMINF
#undef fminf
#define fminf(x, y) ((float)fminf(x,y))
#endif
#if !HAVE_ISINF #if !HAVE_ISINF
static av_always_inline av_const int isinf(float x) static av_always_inline av_const int isinf(float x)
{ {