Inheritance diagram for Sundance::RemoveUnaryMinusFromSum:
Public Member Functions | |
| RemoveUnaryMinusFromSum () | |
| virtual | ~RemoveUnaryMinusFromSum () |
| virtual bool | doTransform (const RCP< ScalarExpr > &left, const RCP< ScalarExpr > &right, int sign, RCP< ScalarExpr > &rtn) const |
Detailed Description
Simplify sums involving unary minuses
![\[ x + (-y) \rightarrow x-y. \]](form_146.png)
![\[ (-x) + (-y) \rightarrow -(x+y). \]](form_147.png)
![\[ (-x) + y \rightarrow y-x. \]](form_148.png)
Definition at line 117 of file SundanceStdSumTransformations.hpp.
Constructor & Destructor Documentation
Definition at line 121 of file SundanceStdSumTransformations.hpp.
| virtual Sundance::RemoveUnaryMinusFromSum::~RemoveUnaryMinusFromSum | ( | ) | [inline, virtual] |
Definition at line 124 of file SundanceStdSumTransformations.hpp.
Member Function Documentation
| bool RemoveUnaryMinusFromSum::doTransform | ( | const RCP< ScalarExpr > & | left, |
| const RCP< ScalarExpr > & | right, | ||
| int | sign, | ||
| RCP< ScalarExpr > & | rtn | ||
| ) | const [virtual] |
Implements Sundance::SumTransformation.
Definition at line 446 of file SundanceStdSumTransformations.cpp.
References Sundance::UnaryExpr::arg(), Sundance::SymbolicTransformation::chooseSign(), Sundance::SymbolicTransformation::getScalar(), Sundance::Expr::handle(), Playa::Out::println(), removeUnaryMinusTimer(), SUNDANCE_OUT, and Playa::ObjectWithVerbosity::verb().