1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 // Some FreeBSD source includes <complex.h> and assumes <math.h> from that. 20 #include <math.h> 21 #include <float.h> 22 23 #define __weak_reference(sym,alias) \ 24 __asm__(".weak " #alias); \ 25 __asm__(".equ " #alias ", " #sym) 26 27 #define __strong_reference(sym,aliassym) \ 28 extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym))) 29 30 #define __warn_references(sym,msg) /* ignored */ 31 32 // digittoint is in BSD's <ctype.h>, but not ours, so we have a secret 33 // implementation in libm. We reuse parts of libm in the NDK's 34 // libandroid_support, where it's a static library, so we want all our 35 // "hidden" functions start with a double underscore --- being HIDDEN 36 // in the ELF sense is not sufficient. 37 #define digittoint __libm_digittoint 38 int digittoint(char ch); 39 40 // Similarly rename _scan_nan. 41 #define _scan_nan __libm_scan_nan 42 43 // FreeBSD exports these in <math.h> but we don't. 44 double cospi(double); 45 double sinpi(double); 46