M_LN2              33 3rdparty/include/ffmpeg_/libavutil/mathematics.h #ifndef M_LN2
M_LN2             680 3rdparty/libtiff/tif_luv.c #ifndef	M_LN2
M_LN2             686 3rdparty/libtiff/tif_luv.c #define log2(x)		((1./M_LN2)*log(x))
M_LN2             687 3rdparty/libtiff/tif_luv.c #define exp2(x)		exp(M_LN2*(x))
M_LN2             704 3rdparty/libtiff/tif_luv.c     Y = exp(M_LN2/256.*(Le+.5) - M_LN2*64.);
M_LN2             783 3rdparty/libtiff/tif_luv.c     return (exp(M_LN2/64.*(p10+.5) - M_LN2*12.));