Lines Matching refs:atan
2 * Single-precision vector atan(x) function.
18 /* Coefficients of polynomial P such that atan(x)~x+x*P(x^2) on
43 atan(x) ~ shift + z + z^3 * P(z^2) with reduction to [0,1]
46 float32x4_t VPCS_ATTR V_NAME_F1 (atan) (float32x4_t x)
95 /* y = atan(x) if x>0, -atan(-x) otherwise. */
101 PL_SIG (V, F, 1, atan, -10.0, 10.0)
102 PL_TEST_ULP (V_NAME_F1 (atan), 2.5)
103 PL_TEST_EXPECT_FENV (V_NAME_F1 (atan), WANT_SIMD_EXCEPT)
104 PL_TEST_SYM_INTERVAL (V_NAME_F1 (atan), 0, 0x1p-30, 5000)
105 PL_TEST_SYM_INTERVAL (V_NAME_F1 (atan), 0x1p-30, 1, 40000)
106 PL_TEST_SYM_INTERVAL (V_NAME_F1 (atan), 1, 0x1p30, 40000)
107 PL_TEST_SYM_INTERVAL (V_NAME_F1 (atan), 0x1p30, inf, 1000)