1 /* 2 * Coefficients and table entries for single-precision cbrt(x). 3 * 4 * Copyright (c) 2022-2023, Arm Limited. 5 * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception 6 */ 7 8 #include "math_config.h" 9 10 const struct cbrtf_data __cbrtf_data 11 = {.poly = { /* Coefficients for very rough approximation of cbrt(x) in [0.5, 1]. 12 See cbrtf.sollya for details of generation. */ 13 0x1.c14e96p-2, 0x1.dd2d3p-1, -0x1.08e81ap-1, 0x1.2c74c2p-3}, 14 .table = { /* table[i] = 2^((i - 2) / 3). */ 15 0x1.428a3p-1, 0x1.965feap-1, 0x1p0, 0x1.428a3p0, 0x1.965feap0}}; 16