Operations.h

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//
//     Minotaur -- It's only 1/2 bull
//
//     (C)opyright 2009 - 2025 The Minotaur Team.
//
 
#ifndef OPERATIONS_H
#define OPERATIONS_H
 
#include "LinearFunction.h"
 
namespace Minotaur
{
bool isInt(double v, double tol = 1e-12);
 
double InnerProduct(const VariableGroup& g1, const VariableGroup& g2);
 
double InnerProduct(const std::vector<double>& x, const VariableGroup& g2);
 
double InnerProduct(const double* x, const double* a, int n);
 
void symMatDotV(UInt nz, const double* mat, const UInt* irow, const UInt* jcol,
                const double* v, double* prod);
 
void BoundsOnDiv(double l0, double u0, double l1, double u1, double& lb,
                 double& ub);
 
void RevBoundsOnMult(double l0, double u0, double l1, double u1, double& lb,
                     double& ub);
 
double round(double v);
 
void BoundsOnProduct(bool zero_x_inf_zero, ConstVariablePtr x0,
                     ConstVariablePtr x1, double& lb, double& ub);
 
void BoundsOnProduct(bool zero_x_inf_zero, double l0, double u0, double l1,
                     double u1, double& lb, double& ub);
 
void BoundsOnRecip(double l0, double u0, double& lb, double& ub);
 
void BoundsOnSquare(ConstVariablePtr x1, double& lb, double& ub);
 
void BoundsOnSquare(const double x_lb, const double y_lb, double& lb,
                    double& ub);
 
bool CompareLen(Constraint *c1, Constraint *c2);
 
double Gcd(double d1, double d2, const double& etol = 1e-9);
 
double getDistance(const double* Pointa, const double* Pointb, UInt n);
 
double minArray(const double* A, UInt n);
 
void displayArray(const double* point, UInt n, std::ostream& out);
 
void sort(VarVector& vvec, double* x, bool ascend = true);
void sortRec(VarVector& vvec, double* x, int left, int right, int pivotind);
 
void toLowerCase(std::string& str);
 
std::string toClockTime(double t);
} // namespace Minotaur
 
#endif