Lines Matching refs:tanh
2 * Double-precision tanh(x) function.
48 /* Approximation for double-precision tanh(x), using a simplified version of
50 tanh(-0x1.c4a4ca0f9f3b7p-3) got -0x1.bd6a21a163627p-3
53 tanh (double x)
69 /* tanh(x) = (e^2x - 1) / (e^2x + 1). */
74 PL_SIG (S, D, 1, tanh, -10.0, 10.0)
75 PL_TEST_ULP (tanh, 2.27)
76 PL_TEST_SYM_INTERVAL (tanh, 0, TinyBound, 1000)
77 PL_TEST_SYM_INTERVAL (tanh, TinyBound, BoringBound, 100000)
78 PL_TEST_SYM_INTERVAL (tanh, BoringBound, inf, 1000)