org.apache.commons.nabla.forward.instructions
Class DLoadTransformer

java.lang.Object
  org.apache.commons.nabla.forward.instructions.DLoadTransformer

All Implemented Interfaces:

InstructionsTransformer

public class DLoadTransformer
extends Object
implements InstructionsTransformer

Differentiation transformer for DLOAD instructions.

Each DLOAD instruction for double variable k is replaced by one DLOAD instruction for DerivativeStructure variable k.

Version:

$Id$

Field Summary

Fields inherited from interface org.apache.commons.nabla.forward.analysis.InstructionsTransformer

DS_TYPE

Constructor Summary

DLoadTransformer()
Simple constructor.

Method Summary

org.objectweb.asm.tree.InsnList

getReplacement(org.objectweb.asm.tree.AbstractInsnNode insn, MethodDifferentiator methodDifferentiator) Get the replacement instructions.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DLoadTransformer

public DLoadTransformer()

Simple constructor.

Method Detail

getReplacement

public org.objectweb.asm.tree.InsnList getReplacement(org.objectweb.asm.tree.AbstractInsnNode insn,
                                                      MethodDifferentiator methodDifferentiator)
                                               throws DifferentiationException

Get the replacement instructions.

Specified by:

getReplacement in interface InstructionsTransformer

Parameters:

insn - original instruction

methodDifferentiator - method differentiator driving this transformer

Returns:

replacement instructions

Throws:

DifferentiationException - if the method differentiator cannot provide a temporary variable