From fab0a8b2c6caa0e6478915bb42904995d70c4b3f Mon Sep 17 00:00:00 2001
From: Mans Rullgard <mans@mansr.com>
Date: Sat, 13 Oct 2012 22:54:53 +0100
Subject: libm: add fallbacks for various single-precision functions

Signed-off-by: Mans Rullgard <mans@mansr.com>
---
 libavutil/libm.h | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

(limited to 'libavutil/libm.h')

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)
 {
-- 
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