1/*
2 * Copyright (c) 1997, 2005, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26#include "jni.h"
27#include "jvm.h"
28
29#include "java_lang_Float.h"
30
31/*
32 * Find the float corresponding to a given bit pattern
33 */
34JNIEXPORT jfloat JNICALL
35Java_java_lang_Float_intBitsToFloat(JNIEnv *env, jclass unused, jint v)
36{
37 union {
38 int i;
39 float f;
40 } u;
41 u.i = (long)v;
42 return (jfloat)u.f;
43}
44
45/*
46 * Find the bit pattern corresponding to a given float, NOT collapsing NaNs
47 */
48JNIEXPORT jint JNICALL
49Java_java_lang_Float_floatToRawIntBits(JNIEnv *env, jclass unused, jfloat v)
50{
51 union {
52 int i;
53 float f;
54 } u;
55 u.f = (float)v;
56 return (jint)u.i;
57}
58