1 /* src/native/vm/cldc1.1/java_lang_Float.cpp
3 Copyright (C) 2006, 2007, 2008
4 CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
6 This file is part of CACAO.
8 This program is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as
10 published by the Free Software Foundation; either version 2, or (at
11 your option) any later version.
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
30 #include "native/jni.hpp"
31 #include "native/native.hpp"
33 #if defined(ENABLE_JNI_HEADERS)
34 # include "native/include/java_lang_Float.h"
39 #include "vm/jit/builtin.hpp"
42 // Native functions are exported as C functions.
46 * Class: java/lang/Float
47 * Method: floatToIntBits
50 JNIEXPORT jint JNICALL Java_java_lang_Float_floatToIntBits(JNIEnv *env, jclass clazz, jfloat value)
57 e = val.i & 0x7f800000;
58 f = val.i & 0x007fffff;
60 if (e == FLT_POSINF && f != 0)
67 * Class: java/lang/Float
68 * Method: intBitsToFloat
71 JNIEXPORT jfloat JNICALL Java_java_lang_Float_intBitsToFloat(JNIEnv *env, jclass clazz, jint value)
81 /* native methods implemented by this file ************************************/
83 static JNINativeMethod methods[] = {
84 { (char*) "floatToIntBits", (char*) "(F)I", (void*) (uintptr_t) &Java_java_lang_Float_floatToIntBits },
85 { (char*) "intBitsToFloat", (char*) "(I)F", (void*) (uintptr_t) &Java_java_lang_Float_intBitsToFloat }
89 /* _Jv_java_lang_Float_init ****************************************************
91 Register native functions.
93 *******************************************************************************/
95 void _Jv_java_lang_Float_init(void)
97 utf* u = utf_new_char("java/lang/Float");
99 NativeMethods& nm = VM::get_current()->get_nativemethods();
100 nm.register_methods(u, methods, NATIVE_METHODS_COUNT);
105 * These are local overrides for various environment variables in Emacs.
106 * Please do not remove this and leave it at the end of the file, where
107 * Emacs will automagically detect them.
108 * ---------------------------------------------------------------------
111 * indent-tabs-mode: t