M_E               250 libavcodec/ratecontrol.c         M_E,
M_E               472 libavfilter/vf_scale_qsv.c     var_values[VAR_E]     = M_E;
M_E               100 libavutil/eval.c     { "E",   M_E   },
M_E                36 libavutil/mathematics.h #ifndef M_E
M_E                30 libavutil/tests/eval.c     M_E,