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/*
* Copyright (c) 2024, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package compiler.lib.generators;
import java.util.random.RandomGenerator;
import static java.lang.Float.floatToFloat16;
import static java.lang.Float.float16ToFloat;
/**
* An adapter for using a {@link RandomGenerator} as a {@link RandomnessSource}.
* See RandomnessSource for more information.
*/
public class RandomnessSourceAdapter implements RandomnessSource {
private final RandomGenerator rand;
RandomnessSourceAdapter(RandomGenerator rand) {
this.rand = rand;
}
@Override
public long nextLong() {
return rand.nextLong();
}
@Override
public long nextLong(long lo, long hi) {
return rand.nextLong(lo, hi);
}
@Override
public int nextInt() {
return rand.nextInt();
}
@Override
public int nextInt(int lo, int hi) {
return rand.nextInt(lo, hi);
}
@Override
public double nextDouble(double lo, double hi) {
return rand.nextDouble(lo, hi);
}
@Override
public float nextFloat(float lo, float hi) {
return rand.nextFloat(lo, hi);
}
@Override
public short nextFloat16(short lo, short hi) {
return floatToFloat16(rand.nextFloat(float16ToFloat(lo), float16ToFloat(hi)));
}
}
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