M_LN2 321 libavcodec/nellymoserenc.c log(FFMAX(1.0, coeff_sum / (ff_nelly_band_sizes_table[band] << 7))) * 1024.0 / M_LN2; M_LN2 423 libavcodec/sipr.c 34 - 15.0/(0.05*M_LN10/M_LN2), M_LN2 244 libavcodec/sipr16k.c 19.0 - 15.0/(0.05*M_LN10/M_LN2), M_LN2 278 libavcodec/zmbvenc.c score_tab[i]= -i * log(i/(double)(ZMBV_BLOCK*ZMBV_BLOCK)) * (256/M_LN2); M_LN2 33 libavutil/mathematics.h #ifndef M_LN2