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authorMans Rullgard <mans@mansr.com>2012-10-13 22:54:53 +0100
committerMans Rullgard <mans@mansr.com>2012-10-23 12:00:21 +0100
commitfab0a8b2c6caa0e6478915bb42904995d70c4b3f (patch)
tree7d0baafb8efe19c98286debab2441ccb69a1710a
parentc3e73100af9b685be796bcd3e68786130d45ea24 (diff)
downloadffmpeg-fab0a8b2c6caa0e6478915bb42904995d70c4b3f.tar.gz
libm: add fallbacks for various single-precision functions
Signed-off-by: Mans Rullgard <mans@mansr.com>
-rwxr-xr-xconfigure8
-rw-r--r--libavcodec/aacps_tablegen.h1
-rw-r--r--libavutil/libm.h40
3 files changed, 49 insertions, 0 deletions
diff --git a/configure b/configure
index e1524fbf21..35cf34f776 100755
--- a/configure
+++ b/configure
@@ -1125,20 +1125,28 @@ HAVE_LIST_PUB='
'
MATH_FUNCS="
+ atanf
+ atan2f
cbrtf
+ cosf
exp2
exp2f
+ expf
isinf
isnan
+ ldexpf
llrint
llrintf
log2
log2f
+ log10f
lrint
lrintf
+ powf
rint
round
roundf
+ sinf
trunc
truncf
"
diff --git a/libavcodec/aacps_tablegen.h b/libavcodec/aacps_tablegen.h
index bd4e695568..0c610edaf2 100644
--- a/libavcodec/aacps_tablegen.h
+++ b/libavcodec/aacps_tablegen.h
@@ -31,6 +31,7 @@
#include "libavcodec/aacps_tables.h"
#else
#include "libavutil/common.h"
+#include "libavutil/libm.h"
#include "libavutil/mathematics.h"
#include "libavutil/mem.h"
#define NR_ALLPASS_BANDS20 30
diff --git a/libavutil/libm.h b/libavutil/libm.h
index 8305b7c61b..d6c2cf8623 100644
--- a/libavutil/libm.h
+++ b/libavutil/libm.h
@@ -29,6 +29,21 @@
#include "attributes.h"
#include "intfloat.h"
+#if !HAVE_ATANF
+#undef atanf
+#define atanf(x) ((float)atan(x))
+#endif
+
+#if !HAVE_ATAN2F
+#undef atan2f
+#define atan2f(y, x) ((float)atan2(y, x))
+#endif
+
+#if !HAVE_POWF
+#undef powf
+#define powf(x, y) ((float)pow(x, y))
+#endif
+
#if !HAVE_CBRTF
static av_always_inline float cbrtf(float x)
{
@@ -36,6 +51,16 @@ static av_always_inline float cbrtf(float x)
}
#endif
+#if !HAVE_COSF
+#undef cosf
+#define cosf(x) ((float)cos(x))
+#endif
+
+#if !HAVE_EXPF
+#undef expf
+#define expf(x) ((float)exp(x))
+#endif
+
#if !HAVE_EXP2
#undef exp2
#define exp2(x) exp((x) * 0.693147180559945)
@@ -66,6 +91,11 @@ static av_always_inline av_const int isnan(float x)
}
#endif /* HAVE_ISNAN */
+#if !HAVE_LDEXPF
+#undef ldexpf
+#define ldexpf(x, exp) ((float)ldexp(x, exp))
+#endif
+
#if !HAVE_LLRINT
#undef llrint
#define llrint(x) ((long long)rint(x))
@@ -86,6 +116,16 @@ static av_always_inline av_const int isnan(float x)
#define log2f(x) ((float)log2(x))
#endif /* HAVE_LOG2F */
+#if !HAVE_LOG10F
+#undef log10f
+#define log10f(x) ((float)log10(x))
+#endif
+
+#if !HAVE_SINF
+#undef sinf
+#define sinf(x) ((float)sin(x))
+#endif
+
#if !HAVE_RINT
static inline double rint(double x)
{