/usr/include/gofigure2/Factor.h is in libgofigure-dev 0.9.0-3+b1.
This file is owned by root:root, with mode 0o644.
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Authors: Michael Kazhdan and Matthew Bolitho
at Johns Hopkins University, 2006-10
Copyright (c) 2006-10, Michael Kazhdan and Matthew Bolitho,
Johns Hopkins University.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
Neither the name of the Johns Hopkins University nor the names of its
contributors may be used to endorse or promote products derived from this
software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=========================================================================*/
#ifndef FACTOR_INCLUDED
#define FACTOR_INCLUDED
#include "PoissonReconstructionConfigure.h"
//BTX
#define PI 3.1415926535897932384
#define SQRT_3 1.7320508075688772935
PoissonReconstruction_EXPORT
double ArcTan2(const double & y, const double & x);
PoissonReconstruction_EXPORT
void Sqrt(const double in[2], double out[2]);
PoissonReconstruction_EXPORT
void Add(const double in1[2], const double in2[2], double out[2]);
PoissonReconstruction_EXPORT
void Subtract(const double in1[2], const double in2[2], double out[2]);
PoissonReconstruction_EXPORT
void Multiply(const double in1[2], const double in2[2], double out[2]);
PoissonReconstruction_EXPORT
void Divide(const double in1[2], const double in2[2], double out[2]);
PoissonReconstruction_EXPORT
int Factor(double a1, double a0, double roots[1][2], const double &EPS);
PoissonReconstruction_EXPORT
int Factor(double a2, double a1, double a0, double roots[2][2], const double &EPS);
PoissonReconstruction_EXPORT
int Factor(double a3, double a2, double a1, double a0, double roots[3][2], const double &EPS);
PoissonReconstruction_EXPORT
int Factor(double a4, double a3, double a2, double a1, double a0, double roots[4][2], const double &EPS);
PoissonReconstruction_EXPORT
int Solve(const double *eqns, const double *values, double *solutions, const int & dim);
//ETX
#endif // FACTOR_INCLUDED
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