#include <math.h>
#include "libavutil/float_dsp.h"
+#include "libavutil/libm.h"
#include "avcodec.h"
#include "sinewin.h"
#include "fft.h"
/* generate amplitude scalefactors table */
for (i = 0; i < 64; i++)
- amp_sf_tab[i] = pow(2.0f, ((double)i - 3) / 4.0f);
+ amp_sf_tab[i] = exp2f((i - 3) / 4.0f);
}
/**