Lines Matching refs:log2
2 * Single-precision vector log2 function.
21 log2(1+r)/r for r in [ -1/3, 1/3 ].
41 /* Fast implementation for single precision AdvSIMD log2,
46 float32x4_t VPCS_ATTR V_NAME_F1 (log2) (float32x4_t x)
60 /* y = log2(1+r) + n. */
69 PL_SIG (V, F, 1, log2, 0.01, 11.1)
70 PL_TEST_ULP (V_NAME_F1 (log2), 1.99)
71 PL_TEST_EXPECT_FENV_ALWAYS (V_NAME_F1 (log2))
72 PL_TEST_INTERVAL (V_NAME_F1 (log2), -0.0, -0x1p126, 100)
73 PL_TEST_INTERVAL (V_NAME_F1 (log2), 0x1p-149, 0x1p-126, 4000)
74 PL_TEST_INTERVAL (V_NAME_F1 (log2), 0x1p-126, 0x1p-23, 50000)
75 PL_TEST_INTERVAL (V_NAME_F1 (log2), 0x1p-23, 1.0, 50000)
76 PL_TEST_INTERVAL (V_NAME_F1 (log2), 1.0, 100, 50000)
77 PL_TEST_INTERVAL (V_NAME_F1 (log2), 100, inf, 50000)