org.snapscript.dx.rop.cst.CstFloat Maven / Gradle / Ivy
/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.snapscript.dx.rop.cst;
import org.snapscript.dx.rop.type.Type;
import org.snapscript.dx.util.Hex;
/**
* Constants of type {@code CONSTANT_Float_info}.
*/
public final class CstFloat
extends CstLiteral32 {
/** {@code non-null;} instance representing {@code 0} */
public static final CstFloat VALUE_0 = make(Float.floatToIntBits(0.0f));
/** {@code non-null;} instance representing {@code 1} */
public static final CstFloat VALUE_1 = make(Float.floatToIntBits(1.0f));
/** {@code non-null;} instance representing {@code 2} */
public static final CstFloat VALUE_2 = make(Float.floatToIntBits(2.0f));
/**
* Makes an instance for the given value. This may (but does not
* necessarily) return an already-allocated instance.
*
* @param bits the {@code float} value as {@code int} bits
*/
public static CstFloat make(int bits) {
/*
* Note: Javadoc notwithstanding, this implementation always
* allocates.
*/
return new CstFloat(bits);
}
/**
* Constructs an instance. This constructor is private; use {@link #make}.
*
* @param bits the {@code float} value as {@code int} bits
*/
private CstFloat(int bits) {
super(bits);
}
/** {@inheritDoc} */
@Override
public String toString() {
int bits = getIntBits();
return "float{0x" + Hex.u4(bits) + " / " +
Float.intBitsToFloat(bits) + '}';
}
/** {@inheritDoc} */
public Type getType() {
return Type.FLOAT;
}
/** {@inheritDoc} */
@Override
public String typeName() {
return "float";
}
/** {@inheritDoc} */
public String toHuman() {
return Float.toString(Float.intBitsToFloat(getIntBits()));
}
/**
* Gets the {@code float} value.
*
* @return the value
*/
public float getValue() {
return Float.intBitsToFloat(getIntBits());
}
}