Lines Matching defs:log2
46 * Le = floor( 256*(log2(L) + 64) ) # 15-bit from real
110 * Le' = floor( 64*(log2(L) + 12) ) # 10-bit from real
740 #undef log2 /* Conflict with C'99 function */
741 #define log2(x) ((1./M_LN2)*log(x))
775 return itrunc(256.*(log2(Y) + 64.), em);
777 return (~0x7fff | itrunc(256.*(log2(-Y) + 64.), em));
853 return itrunc(64.*(log2(Y) + 12.), em);
