1 /* 2 * Copyright (C) 2021 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #pragma once 30 31 /* GNU extensions not in musl. */ 32 33 #if defined(_GNU_SOURCE) 34 #define M_El 2.718281828459045235360287471352662498L /* e */ 35 #define M_LOG2El 1.442695040888963407359924681001892137L /* log 2e */ 36 #define M_LOG10El 0.434294481903251827651128918916605082L /* log 10e */ 37 #define M_LN2l 0.693147180559945309417232121458176568L /* log e2 */ 38 #define M_LN10l 2.302585092994045684017991454684364208L /* log e10 */ 39 #define M_PIl 3.141592653589793238462643383279502884L /* pi */ 40 #define M_PI_2l 1.570796326794896619231321691639751442L /* pi/2 */ 41 #define M_PI_4l 0.785398163397448309615660845819875721L /* pi/4 */ 42 #define M_1_PIl 0.318309886183790671537767526745028724L /* 1/pi */ 43 #define M_2_PIl 0.636619772367581343075535053490057448L /* 2/pi */ 44 #define M_2_SQRTPIl 1.128379167095512573896158903121545172L /* 2/sqrt(pi) */ 45 #define M_SQRT2l 1.414213562373095048801688724209698079L /* sqrt(2) */ 46 #define M_SQRT1_2l 0.707106781186547524400844362104849039L /* 1/sqrt(2) */ 47 #endif 48 49 #include_next <math.h> 50