| /* VMFloat.c - java.lang.VMFloat native functions |
| Copyright (C) 1998, 1999, 2003, 2004 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| #include <config.h> |
| |
| #include "java_lang_VMFloat.h" |
| |
| /* |
| * Class: java_lang_VMFloat |
| * Method: floatToIntBits |
| * Signature: (F)I |
| */ |
| JNIEXPORT jint JNICALL |
| Java_java_lang_VMFloat_floatToIntBits |
| (JNIEnv * env __attribute__ ((__unused__)), |
| jclass cls __attribute__ ((__unused__)), jfloat value) |
| { |
| jvalue u; |
| jint e, f; |
| u.f = value; |
| e = u.i & 0x7f800000; |
| f = u.i & 0x007fffff; |
| |
| if (e == 0x7f800000 && f != 0) |
| u.i = 0x7fc00000; |
| |
| return u.i; |
| } |
| |
| /* |
| * Class: java_lang_VMFloat |
| * Method: floatToRawIntBits |
| * Signature: (F)I |
| */ |
| JNIEXPORT jint JNICALL |
| Java_java_lang_VMFloat_floatToRawIntBits |
| (JNIEnv * env __attribute__ ((__unused__)), |
| jclass cls __attribute__ ((__unused__)), jfloat value) |
| { |
| jvalue u; |
| u.f = value; |
| return u.i; |
| } |
| |
| /* |
| * Class: java_lang_VMFloat |
| * Method: intBitsToFloat |
| * Signature: (I)F |
| */ |
| JNIEXPORT jfloat JNICALL |
| Java_java_lang_VMFloat_intBitsToFloat |
| (JNIEnv * env __attribute__ ((__unused__)), |
| jclass cls __attribute__ ((__unused__)), jint bits) |
| { |
| jvalue u; |
| u.i = bits; |
| return u.f; |
| } |