gcc/libjava/java/lang/natVMFloat.cc

53 lines
882 B
C++

// natVMFloat.cc - Implementation of java.lang.VMFloat native methods.
/* Copyright (C) 1998, 1999, 2001, 2006, 2007 Free Software Foundation
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
#include <config.h>
#include <java/lang/Float.h>
#include <java/lang/VMFloat.h>
#include <jvm.h>
union u
{
jint l;
jfloat d;
};
jint
java::lang::VMFloat::floatToIntBits(jfloat value)
{
union u u;
u.d = value;
jint e = u.l & 0x7f800000;
jint f = u.l & 0x007fffff;
if (e == 0x7f800000 && f != 0)
u.l = 0x7fc00000;
return u.l;
}
jint
java::lang::VMFloat::floatToRawIntBits(jfloat value)
{
union u u;
u.d = value;
return u.l;
}
jfloat
java::lang::VMFloat::intBitsToFloat(jint bits)
{
union u u;
u.l = bits;
return u.d;
}