1*412f47f9SXin Li /* 2*412f47f9SXin Li * Single-precision polynomial coefficients for vector atan(x) and atan2(y,x). 3*412f47f9SXin Li * 4*412f47f9SXin Li * Copyright (c) 2019-2023, Arm Limited. 5*412f47f9SXin Li * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception 6*412f47f9SXin Li */ 7*412f47f9SXin Li 8*412f47f9SXin Li #include "math_config.h" 9*412f47f9SXin Li 10*412f47f9SXin Li /* Coefficients of polynomial P such that atan(x)~x+x*P(x^2) on [2**-128, 1.0]. 11*412f47f9SXin Li */ 12*412f47f9SXin Li const struct atanf_poly_data __atanf_poly_data = { 13*412f47f9SXin Li .poly = {/* See atanf.sollya for details of how these were generated. */ 14*412f47f9SXin Li -0x1.55555p-2f, 0x1.99935ep-3f, -0x1.24051ep-3f, 0x1.bd7368p-4f, 15*412f47f9SXin Li -0x1.491f0ep-4f, 0x1.93a2c0p-5f, -0x1.4c3c60p-6f, 0x1.01fd88p-8f}}; 16