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  /src/lib/libm/arch/mc68881/
s_tanh.S 39 ;.asciz "from: @(#)tanh.s 5.1 (Berkeley) 5/17/90"
43 ENTRY(tanh) function
  /src/lib/libm/src/
s_tanh.c 18 /* Tanh(x)
24 * 0. tanh(x) is defined to be -----------
27 * 1. reduce x to non-negative by tanh(-x) = -tanh(x).
28 * 2. 0 <= x <= 2**-55 : tanh(x) := x*(one+x)
30 * 2**-55 < x <= 1 : tanh(x) := -----; t = expm1(-2x)
33 * 1 <= x <= 22.0 : tanh(x) := 1- ----- ; t=expm1(2x)
35 * 22.0 < x <= INF : tanh(x) := 1.
38 * tanh(NaN) is NaN;
39 * only tanh(0)=0 is exact for finite argument
48 tanh(double x) function in typeref:typename:double
    [all...]
  /src/lib/libm/noieee_src/
n_tanh.c 33 static char sccsid[] = "@(#)tanh.c 8.1 (Berkeley) 6/4/93";
37 /* TANH(X)
51 * 1. reduce x to non-negative by tanh(-x) = - tanh(x).
53 * 0 < x <= 1.e-10 : tanh(x) := x
55 * 1.e-10 < x <= 1 : tanh(x) := --------------
58 * 1 <= x <= 22.0 : tanh(x) := 1 - ---------------
60 * 22.0 < x <= INF : tanh(x) := 1.
65 * tanh(NaN) is NaN;
66 * only tanh(0)=0 is exact for finite argument
77 tanh(double x) function in typeref:typename:double
    [all...]
  /src/include/
tgmath.h 142 #define tanh(a) __TG_COMPLEX((a), tanh) macro

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