Lines Matching refs:M_LN2
734 #ifndef M_LN2
735 #define M_LN2 0.69314718055994530942
741 #define log2(x) ((1./M_LN2)*log(x))
743 #define exp2(x) exp(M_LN2*(x))
760 Y = exp(M_LN2/256.*(Le+.5) - M_LN2*64.);
839 return (exp(M_LN2/64.*(p10+.5) - M_LN2*12.));
