[FFmpeg-cvslog] cos_tablegen: fix the lack on M_PI

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sat Jan  5 14:09:33 2013 +0100| [11e1466b432f661c7605ee23203f9cdc1020a4f3] | committer: Michael Niedermayer

cos_tablegen: fix the lack on M_PI

We dont include mathematics.h as the headers get configured by config.h
for the target not the host.

Reviewed-by: Clément Bœsch <ubitux at gmail.com>
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=11e1466b432f661c7605ee23203f9cdc1020a4f3
---

 libavcodec/cos_tablegen.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/cos_tablegen.c b/libavcodec/cos_tablegen.c
index af9391d..313a1d2 100644
--- a/libavcodec/cos_tablegen.c
+++ b/libavcodec/cos_tablegen.c
@@ -56,7 +56,7 @@ int main(int argc, char *argv[])
     printf("#include \"libavcodec/%s\"\n", do_sin ? "rdft.h" : "fft.h");
     for (i = 4; i <= BITS; i++) {
         int m = 1 << i;
-        double freq = 2*M_PI/m;
+        double freq = 2*3.14159265358979323846/m;
         printf("%s(%i) = {\n   ", do_sin ? "SINTABLE" : "COSTABLE", m);
         for (j = 0; j < m/2 - 1; j++) {
             int idx = j > m/4 ? m/2 - j : j;