polysolver.hpp
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5 /* Copyright (c) 2005-2010 Taneli Kalvas. All rights reserved.
6  *
7  * You can redistribute this software and/or modify it under the terms
8  * of the GNU General Public License as published by the Free Software
9  * Foundation; either version 2 of the License, or (at your option)
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12  * This library is distributed in the hope that it will be useful, but
13  * WITHOUT ANY WARRANTY; without even the implied warranty of
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17  * You should have received a copy of the GNU General Public License
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43 #ifndef POLYSOLVER_HPP
44 #define POLYSOLVER_HPP 1
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47 #include <stdint.h>
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56 uint32_t solve_quadratic( double a, double b, double c,
57  double *x0, double *x1 );
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66 uint32_t solve_cubic( double a, double b, double c, double d,
67  double *x0, double *x1, double *x2 );
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75 uint32_t solve_quartic( double a, double b, double c, double d,
76  double *x0, double *x1, double *x2, double *x3 );
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79 #endif
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uint32_t solve_cubic(double a, double b, double c, double d, double *x0, double *x1, double *x2)
Solve cubic equation a*x^3 + b*x^2 + c*x + d = 0.
uint32_t solve_quadratic(double a, double b, double c, double *x0, double *x1)
Solve quadric equation a*x^2 + b*x + c = 0.
uint32_t solve_quartic(double a, double b, double c, double d, double *x0, double *x1, double *x2, double *x3)
Solve quartic equation x^4 + a*x^3 + b*x^2 + c*x + d = 0.