Originally committed as revision 21922 to svn://svn.ffmpeg.org/ffmpeg/trunk
#if !HAVE_EXP2F
#undef exp2f
-#define exp2f(x) exp2(x)
+#define exp2f(x) ((float)exp2(x))
#endif /* HAVE_EXP2F */
#if !HAVE_LLRINT
#undef llrint
-#define llrint(x) rint(x)
+#define llrint(x) ((long long)rint(x))
#endif /* HAVE_LLRINT */
#if !HAVE_LOG2
#if !HAVE_LOG2F
#undef log2f
-#define log2f(x) log2(x)
+#define log2f(x) ((float)log2(x))
#endif /* HAVE_LOG2F */
#if !HAVE_LRINT