Searched refs:log2 (Results 1 – 1 of 1) sorted by relevance
739 #undef log2 /* Conflict with C'99 function */740 #define log2(x) ((1./M_LN2)*log(x)) macro774 return itrunc(256.*(log2(Y) + 64.), em); in LogL16fromY()776 return (~0x7fff | itrunc(256.*(log2(-Y) + 64.), em)); in LogL16fromY()852 return itrunc(64.*(log2(Y) + 12.), em); in LogL10fromY()