1 2 /* 3 * Copyright (c) 1998, 2001, Oracle and/or its affiliates. All rights reserved. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. Oracle designates this 9 * particular file as subject to the "Classpath" exception as provided 10 * by Oracle in the LICENSE file that accompanied this code. 11 * 12 * This code is distributed in the hope that it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 * version 2 for more details (a copy is included in the LICENSE file that 16 * accompanied this code). 17 * 18 * You should have received a copy of the GNU General Public License version 19 * 2 along with this work; if not, write to the Free Software Foundation, 20 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 21 * 22 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 23 * or visit www.oracle.com if you need additional information or have any 24 * questions. 25 */ 26 27 /* 28 * wrapper fmod(x,y) 29 */ 30 31 #include "fdlibm.h" 32 33 34 #ifdef __STDC__ fmod(double x,double y)35 double fmod(double x, double y) /* wrapper fmod */ 36 #else 37 double fmod(x,y) /* wrapper fmod */ 38 double x,y; 39 #endif 40 { 41 #ifdef _IEEE_LIBM 42 return __ieee754_fmod(x,y); 43 #else 44 double z; 45 z = __ieee754_fmod(x,y); 46 if(_LIB_VERSION == _IEEE_ ||isnan(y)||isnan(x)) return z; 47 if(y==0.0) { 48 return __kernel_standard(x,y,27); /* fmod(x,0) */ 49 } else 50 return z; 51 #endif 52 } 53