You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
50 lines
2.4 KiB
50 lines
2.4 KiB
/*
|
|
Copyright (c) 2006, Michael Kazhdan and Matthew Bolitho
|
|
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
|
|
|
|
#define PI 3.1415926535897932384
|
|
#define SQRT_3 1.7320508075688772935
|
|
|
|
double ArcTan2(double y,double x);
|
|
double Angle(const double in[2]);
|
|
void Sqrt(const double in[2],double out[2]);
|
|
void Add(const double in1[2],const double in2[2],double out[2]);
|
|
void Subtract(const double in1[2],const double in2[2],double out[2]);
|
|
void Multiply(const double in1[2],const double in2[2],double out[2]);
|
|
void Divide(const double in1[2],const double in2[2],double out[2]);
|
|
|
|
int Factor(double a1,double a0,double roots[1][2],double EPS);
|
|
int Factor(double a2,double a1,double a0,double roots[2][2],double EPS);
|
|
int Factor(double a3,double a2,double a1,double a0,double roots[3][2],double EPS);
|
|
int Factor(double a4,double a3,double a2,double a1,double a0,double roots[4][2],double EPS);
|
|
|
|
int Solve(const double* eqns,const double* values,double* solutions, int dim);
|
|
|
|
#endif // FACTOR_INCLUDED
|