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src/java.base/share/native/libfdlibm/w_asin.c
52 строки
2 KB
Erik Joelsson
8187443: Forest Consolidation: Move files to unified layout
12 сен 2017, 20:03
12 сен 2017, 20:03
3789983
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/* * Copyright (c) 1998, 2001, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * wrapper asin(x) */ #include "fdlibm.h" #ifdef __STDC__ double asin(double x) /* wrapper asin */ #else double asin(x) /* wrapper asin */ double x; #endif { #ifdef _IEEE_LIBM return __ieee754_asin(x); #else double z; z = __ieee754_asin(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; if(fabs(x)>1.0) { return __kernel_standard(x,x,2); /* asin(|x|>1) */ } else return z; #endif }