mirror of
https://github.com/amyinspace/MagicSetEditor2.git
synced 2026-06-10 13:06:59 -04:00
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++
//+----------------------------------------------------------------------------+
|
|
//| Description: Magic Set Editor - Program to make Magic (tm) cards |
|
|
//| Copyright: (C) 2001 - 2007 Twan van Laarhoven |
|
|
//| License: GNU General Public License 2 or later (see file COPYING) |
|
|
//+----------------------------------------------------------------------------+
|
|
|
|
#ifndef HEADER_GFX_POLYNOMIAL
|
|
#define HEADER_GFX_POLYNOMIAL
|
|
|
|
/** @file gfx/polynomial.hpp
|
|
*
|
|
* Solutions to polynomials, used by bezier curve algorithms
|
|
*/
|
|
|
|
// ----------------------------------------------------------------------------- : Includes
|
|
|
|
#include <util/prec.hpp>
|
|
|
|
// ----------------------------------------------------------------------------- : Solving
|
|
|
|
/// Solve a linear equation a x + b = 0
|
|
/** Returns the number of real roots, and the roots themselfs in the output parameter.
|
|
*/
|
|
UInt solve_linear(double a, double b, double* root);
|
|
|
|
/// Solve a quadratic equation a x^2 + b x + c == 0
|
|
/** Returns the number of real roots, and the roots themselfs in the output parameter.
|
|
*/
|
|
UInt solve_quadratic(double a, double b, double c, double* roots);
|
|
|
|
// Solve a cubic equation a x^3 + b x^2 + c x + d == 0
|
|
/** Returns the number of real roots, and the roots themselfs in the output parameter.
|
|
*/
|
|
UInt solve_cubic(double a, double b, double c, double d, double* roots);
|
|
|
|
// Solve a cubic equation x^3 + a x^2 + b x + c == 0
|
|
/** Returns the number of real roots, and the roots themselfs in the output parameter.
|
|
* Based on http://en.wikipedia.org/wiki/Cubic_equation
|
|
*/
|
|
UInt solve_cubic(double a, double b, double c, double* roots);
|
|
|
|
// ----------------------------------------------------------------------------- : EOF
|
|
#endif
|