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/*
* Roots3And4.c
*
* Utility functions to find cubic and quartic roots,
* coefficients are passed like this:
*
* c[0] + c[1]*x + c[2]*x^2 + c[3]*x^3 + c[4]*x^4 = 0
*
* The functions return the number of non-complex roots and
* put the values into the s array.
*
* Author: Jochen Schwarze (schwarze@isa.de)
* (From Graphics Gems I)
*/
int SolveQuadric(double c[3], double s[2]);
int SolveCubic(double c[4], double s[3]);
int SolveQuartic(double c[5], double s[4]);
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