1*5a02ffc3SAndrew Turner /* 2*5a02ffc3SAndrew Turner * Coefficients for single-precision asin(x) function. 3*5a02ffc3SAndrew Turner * 4*5a02ffc3SAndrew Turner * Copyright (c) 2023, Arm Limited. 5*5a02ffc3SAndrew Turner * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception 6*5a02ffc3SAndrew Turner */ 7*5a02ffc3SAndrew Turner 8*5a02ffc3SAndrew Turner #include "math_config.h" 9*5a02ffc3SAndrew Turner 10*5a02ffc3SAndrew Turner /* Approximate asinf(x) directly in [0x1p-24, 0.25]. See for tools/asinf.sollya 11*5a02ffc3SAndrew Turner for these coeffs were generated. */ 12*5a02ffc3SAndrew Turner const float __asinf_poly[] = { 13*5a02ffc3SAndrew Turner /* Polynomial approximation of (asin(sqrt(x)) - sqrt(x)) / (x * sqrt(x)) on 14*5a02ffc3SAndrew Turner [ 0x1p-24 0x1p-2 ] order = 4 rel error: 0x1.00a23bbp-29 . */ 15*5a02ffc3SAndrew Turner 0x1.55555ep-3, 0x1.33261ap-4, 0x1.70d7dcp-5, 0x1.b059dp-6, 0x1.3af7d8p-5, 16*5a02ffc3SAndrew Turner }; 17