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 j0(double x), y0(double x) 29 */ 30 31 #include "fdlibm.h" 32 33 #ifdef __STDC__ 34 double j0(double x) /* wrapper j0 */ 35 #else 36 double j0(x) /* wrapper j0 */ 37 double x; 38 #endif 39 { 40 #ifdef _IEEE_LIBM 41 return __ieee754_j0(x); 42 #else 43 double z = __ieee754_j0(x); 44 if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; 45 if(fabs(x)>X_TLOSS) { 46 return __kernel_standard(x,x,34); /* j0(|x|>X_TLOSS) */ 47 } else 48 return z; 49 #endif 50 } 51 52 #ifdef __STDC__ 53 double y0(double x) /* wrapper y0 */ 54 #else 55 double y0(x) /* wrapper y0 */ 56 double x; 57 #endif 58 { 59 #ifdef _IEEE_LIBM 60 return __ieee754_y0(x); 61 #else 62 double z; 63 z = __ieee754_y0(x); 64 if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; 65 if(x <= 0.0){ 66 if(x==0.0) 67 /* d= -one/(x-x); */ 68 return __kernel_standard(x,x,8); 69 else 70 /* d = zero/(x-x); */ 71 return __kernel_standard(x,x,9); 72 } 73 if(x>X_TLOSS) { 74 return __kernel_standard(x,x,35); /* y0(x>X_TLOSS) */ 75 } else 76 return z; 77 #endif 78 }