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  /src/external/gpl3/gcc/dist/libquadmath/math/
tanhq.c 20 /* tanhq(x)
26 * 0. tanhq(x) is defined to be -----------
29 * 1. reduce x to non-negative by tanhq(-x) = -tanhq(x).
30 * 2. 0 <= x <= 2**-57 : tanhq(x) := x*(one+x)
32 * 2**-57 < x <= 1 : tanhq(x) := -----; t = expm1q(-2x)
35 * 1 <= x <= 40.0 : tanhq(x) := 1- ----- ; t=expm1q(2x)
37 * 40.0 < x <= INF : tanhq(x) := 1.
40 * tanhq(NaN) is NaN;
41 * only tanhq(0)=0 is exact for finite argument
49 tanhq (__float128 x) function
    [all...]
  /src/external/gpl3/gcc.old/dist/libquadmath/math/
tanhq.c 20 /* tanhq(x)
26 * 0. tanhq(x) is defined to be -----------
29 * 1. reduce x to non-negative by tanhq(-x) = -tanhq(x).
30 * 2. 0 <= x <= 2**-57 : tanhq(x) := x*(one+x)
32 * 2**-57 < x <= 1 : tanhq(x) := -----; t = expm1q(-2x)
35 * 1 <= x <= 40.0 : tanhq(x) := 1- ----- ; t=expm1q(2x)
37 * 40.0 < x <= INF : tanhq(x) := 1.
40 * tanhq(NaN) is NaN;
41 * only tanhq(0)=0 is exact for finite argument
49 tanhq (__float128 x) function
    [all...]

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