diff options
Diffstat (limited to 'libavcodec/cbrt_tablegen.h')
-rw-r--r-- | libavcodec/cbrt_tablegen.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/cbrt_tablegen.h b/libavcodec/cbrt_tablegen.h index 01963a3f9d..60d900a94f 100644 --- a/libavcodec/cbrt_tablegen.h +++ b/libavcodec/cbrt_tablegen.h @@ -36,12 +36,13 @@ static void cbrt_tableinit(void) { if (!cbrt_tab[(1<<13) - 1]) { int i; + /* cbrtf() isn't available on all systems, so we use powf(). */ for (i = 0; i < 1<<13; i++) { union { float f; uint32_t i; } f; - f.f = cbrtf(i) * i; + f.f = powf(i, 1.0 / 3.0) * i; cbrt_tab[i] = f.i; } } |