Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
DLoadTransformer |
|
| 1.0;1 |
1 | /* | |
2 | * Licensed to the Apache Software Foundation (ASF) under one or more | |
3 | * contributor license agreements. See the NOTICE file distributed with | |
4 | * this work for additional information regarding copyright ownership. | |
5 | * The ASF licenses this file to You under the Apache License, Version 2.0 | |
6 | * (the "License"); you may not use this file except in compliance with | |
7 | * the License. You may obtain a copy of the License at | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, software | |
12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 | * See the License for the specific language governing permissions and | |
15 | * limitations under the License. | |
16 | */ | |
17 | package org.apache.commons.nabla.forward.instructions; | |
18 | ||
19 | import org.apache.commons.nabla.DifferentiationException; | |
20 | import org.apache.commons.nabla.forward.analysis.InstructionsTransformer; | |
21 | import org.apache.commons.nabla.forward.analysis.MethodDifferentiator; | |
22 | import org.objectweb.asm.Opcodes; | |
23 | import org.objectweb.asm.tree.AbstractInsnNode; | |
24 | import org.objectweb.asm.tree.InsnList; | |
25 | import org.objectweb.asm.tree.VarInsnNode; | |
26 | ||
27 | /** Differentiation transformer for DLOAD instructions. | |
28 | * <p>Each DLOAD instruction for double variable <i>k</i> | |
29 | * is replaced by one DLOAD instruction for {@link | |
30 | * org.apache.commons.math3.analysis.differentiation.DerivativeStructure} | |
31 | * variable <i>k</i>. | |
32 | * @version $Id$ | |
33 | */ | |
34 | public class DLoadTransformer implements InstructionsTransformer { | |
35 | ||
36 | /** Simple constructor. | |
37 | */ | |
38 | 89 | public DLoadTransformer() { |
39 | 89 | } |
40 | ||
41 | /** {@inheritDoc} */ | |
42 | public InsnList getReplacement(final AbstractInsnNode insn, | |
43 | final MethodDifferentiator methodDifferentiator) | |
44 | throws DifferentiationException { | |
45 | 89 | final int var = ((VarInsnNode) insn).var; |
46 | 89 | final InsnList list = new InsnList(); |
47 | 89 | list.add(new VarInsnNode(Opcodes.ALOAD, var)); |
48 | 89 | return list; |
49 | } | |
50 | ||
51 | } |