/usr/include/polybori/groebner/IsVariableOfIndex.h is in libpolybori-groebner-dev 0.8.3-3+b2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | // -*- c++ -*-
//*****************************************************************************
/** @file IsVariableOfIndex.h
*
* @author Michael Brickenstein (original) and Alexander Dreyer (refactored)
* @date 2012-01-31
*
* This file includes the definition of the class @c IsVariableOfIndex.
*
* @par Copyright:
* (c) 2006-2012 by The PolyBoRi Team
*
**/
//*****************************************************************************
#ifndef polybori_groebner_IsVariableOfIndex_h_
#define polybori_groebner_IsVariableOfIndex_h_
// include basic definitions
#include "groebner_defs.h"
#include "PolyEntry.h"
BEGIN_NAMESPACE_PBORIGB
/** @class IsVariableOfIndex
*
* Check whether a @c PolyEntry is actually a variable of a given index.
**/
class IsVariableOfIndex {
public:
IsVariableOfIndex(idx_type value): m_value(value) {}
bool operator()(const PolyEntry& rhs) const {
return (rhs.isSingleton() && rhs.usedVariables.deg() == 1) &&
(*(rhs.usedVariables.begin()) == m_value);
}
private:
idx_type m_value;
};
END_NAMESPACE_PBORIGB
#endif /* polybori_groebner_IsVariableOfIndex_h_ */
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