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-/* VMDouble.java -- VM Specific Double methods
- Copyright (C) 2003, 2005, 2006 Free Software Foundation
-
-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. */
-
-package java.lang;
-
-import gnu.classpath.Configuration;
-
-/*
- * This class is a reference version, mainly for compiling a class library
- * jar. It is likely that VM implementers replace this with their own
- * version that can communicate effectively with the VM.
- */
-
-/**
- * Code relocated from java.lang.Double by
- * @author Dave Grove (groved@us.ibm.com)
- */
-final class VMDouble
-{
- /**
- * Convert the double to the IEEE 754 floating-point "double format" bit
- * layout. Bit 63 (the most significant) is the sign bit, bits 62-52
- * (masked by 0x7ff0000000000000L) represent the exponent, and bits 51-0
- * (masked by 0x000fffffffffffffL) are the mantissa. This function
- * collapses all versions of NaN to 0x7ff8000000000000L. The result of this
- * function can be used as the argument to
- * <code>Double.longBitsToDouble(long)</code> to obtain the original
- * <code>double</code> value.
- *
- * @param value the <code>double</code> to convert
- * @return the bits of the <code>double</code>
- * @see #longBitsToDouble(long)
- */
- public static native long doubleToLongBits(double value);
-
- /**
- * Convert the double to the IEEE 754 floating-point "double format" bit
- * layout. Bit 63 (the most significant) is the sign bit, bits 62-52
- * (masked by 0x7ff0000000000000L) represent the exponent, and bits 51-0
- * (masked by 0x000fffffffffffffL) are the mantissa. This function
- * leaves NaN alone, rather than collapsing to a canonical value. The
- * result of this function can be used as the argument to
- * <code>Double.longBitsToDouble(long)</code> to obtain the original
- * <code>double</code> value.
- *
- * @param value the <code>double</code> to convert
- * @return the bits of the <code>double</code>
- * @see #longBitsToDouble(long)
- */
- public static native long doubleToRawLongBits(double value);
-
- /**
- * Convert the argument in IEEE 754 floating-point "double format" bit
- * layout to the corresponding float. Bit 63 (the most significant) is the
- * sign bit, bits 62-52 (masked by 0x7ff0000000000000L) represent the
- * exponent, and bits 51-0 (masked by 0x000fffffffffffffL) are the mantissa.
- * This function leaves NaN alone, so that you can recover the bit pattern
- * with <code>Double.doubleToRawLongBits(double)</code>.
- *
- * @param bits the bits to convert
- * @return the <code>double</code> represented by the bits
- * @see #doubleToLongBits(double)
- * @see #doubleToRawLongBits(double)
- */
- public static native double longBitsToDouble(long bits);
-
- /**
- * Helper method to convert to string.
- *
- * @param d the double to convert
- * @param isFloat true if the conversion is requested by Float (results in
- * fewer digits)
- */
- public static native String toString(double d, boolean isFloat);
-
- public static native double parseDouble(String str);
-}