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/***********************************************/
/**
* @file conditionMatrix.h
*
* @brief Evaluate elements of a matrix based on an expression.
*
* @author Sebastian Strasser
* @date 2021-02-03
*
*/
/***********************************************/
#ifndef __GROOPS_CONDITIONMATRIX__
#define __GROOPS_CONDITIONMATRIX__
// Latex documentation
#ifdef DOCSTRING_Condition
static const char *docstringConditionMatrix = R"(
\subsection{Matrix}
Evaluate elements of a \configClass{matrix}{matrixGeneratorType} based on an expression.
If \config{all}=\verb|yes|, all elements of the matrix must evaluate to true
for the condition to be fulfilled, otherwise any element evaluating to true is sufficient.
)";
#endif
/***********************************************/
#include "base/import.h"
#include "classes/condition/condition.h"
#include "classes/matrixGenerator/matrixGenerator.h"
/***** CLASS ***********************************/
/** @brief Evaluate elements of a matrix based on an expression.
* @ingroup conditionGroup
* @see Condition */
class ConditionMatrix : public Condition
{
ExpressionVariablePtr expr;
MatrixGeneratorPtr matrixGenerator;
Bool all;
public:
ConditionMatrix(Config &config);
Bool condition(const VariableList &varList) const;
};
/***********************************************/
/***** Inlines *********************************/
/***********************************************/
inline ConditionMatrix::ConditionMatrix(Config &config)
{
try
{
readConfig(config, "matrix", matrixGenerator, Config::MUSTSET, "", "expression is evaluated for each element of resulting matrix");
readConfig(config, "expression", expr, Config::MUSTSET, "", "(variable: data) evaluated for each element");
readConfig(config, "all", all, Config::DEFAULT, "0", "all (=yes)/any (=no) elements must evaluate to true");
if(isCreateSchema(config)) return;
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
inline Bool ConditionMatrix::condition(const VariableList &varList) const
{
try
{
Matrix A = matrixGenerator->compute();
VariableList varListMatrix = varList;
for(UInt i=0; i<A.rows(); i++)
for(UInt j=0; j<A.columns(); j++)
{
varListMatrix.setVariable("data", A(i,j));
Bool result = (expr->evaluate(varListMatrix) != 0.);
if(!all && result)
return TRUE;
else if(all && !result)
return FALSE;
}
return all;
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
#endif
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