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https://github.com/amyinspace/MagicSetEditor2.git
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twanvl
a2e709d86b
git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@275 0fc631ac-6414-0410-93d0-97cfa31319b6
44 lines
1.8 KiB
C++
44 lines
1.8 KiB
C++
//+----------------------------------------------------------------------------+
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//| Description: Magic Set Editor - Program to make Magic (tm) cards |
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//| Copyright: (C) 2001 - 2007 Twan van Laarhoven |
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//| License: GNU General Public License 2 or later (see file COPYING) |
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//+----------------------------------------------------------------------------+
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#ifndef HEADER_GFX_POLYNOMIAL
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#define HEADER_GFX_POLYNOMIAL
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/** @file gfx/polynomial.hpp
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*
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* Solutions to polynomials, used by bezier curve algorithms
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*/
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// ----------------------------------------------------------------------------- : Includes
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#include <util/prec.hpp>
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// ----------------------------------------------------------------------------- : Solving
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/// Solve a linear equation a x + b = 0
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/** Returns the number of real roots, and the roots themselfs in the output parameter.
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*/
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UInt solve_linear(double a, double b, double* root);
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/// Solve a quadratic equation a x^2 + b x + c == 0
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/** Returns the number of real roots, and the roots themselfs in the output parameter.
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*/
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UInt solve_quadratic(double a, double b, double c, double* roots);
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// Solve a cubic equation a x^3 + b x^2 + c x + d == 0
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/** Returns the number of real roots, and the roots themselfs in the output parameter.
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*/
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UInt solve_cubic(double a, double b, double c, double d, double* roots);
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// Solve a cubic equation x^3 + a x^2 + b x + c == 0
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/** Returns the number of real roots, and the roots themselfs in the output parameter.
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* Based on http://en.wikipedia.org/wiki/Cubic_equation
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*/
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UInt solve_cubic(double a, double b, double c, double* roots);
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// ----------------------------------------------------------------------------- : EOF
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#endif
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