Lines Matching refs:tanh
7920 # fp0 = tanh(X) #
7930 # TANH #
7933 # 2. (2**(-40) < |X| < (5/2) log2) Calculate tanh(X) by #
7935 # tanh(X) = sgn*( z/(2+z) ). #
7943 # 5. ((5/2) log2 <= |X| < 50 log2) Calculate tanh(X) by #
7945 # tanh(X) = sgn - [ sgn*2/(1+z) ]. #
7948 # 6. (|X| >= 50 log2) Tanh(X) = +-1 (round to nearest). Thus, we #
7949 # calculate Tanh(X) by #
7951 # tanh(X) := sgn - sgn*Tiny. #
7954 # 7. (|X| < 2**(-40)). Tanh(X) = X. Exit. #
7980 #--Y = 2|X|, Z = EXPM1(Y), TANH(X) = SIGN(X) * Z / (Z+2).
8016 #--TANH(X) = 1 - (2/[EXP(2X)+1]). LET Y = 2|X|, SGN = SIGN(X),
8017 #--TANH(X) = SGN - SGN*2/[EXP(Y)+1].
8071 #--TANH(X) = X FOR DENORMALIZED X
Indexes created Mon Oct 13 00:09:54 GMT 2025