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## Re: [Help-gsl] Contributed GSL examples

**From**: |
Brian Gough |

**Subject**: |
Re: [Help-gsl] Contributed GSL examples |

**Date**: |
Mon, 26 Jul 2004 13:56:49 +0100 |

Jon Drews writes:
>* I have a few GSL example programs here:*
>* http://www.silbsd.org/projects/GSL.tar.gz*
>* The tarball contains examples for chapters 5, 6, 7 and one integration*
>* from chapter 16. I will be adding more in due time.*
Hello,
one suggestion regarding the code below, probably it is safer to
define x0,x1,x2 as automatic variables and pass as &x0,&x1,&x2.
double a, b, c, *x0, *x1,*x2;
x0= (double *)malloc(sizeof(double));
x1= (double *)malloc(sizeof(double));
x2= (double *)malloc(sizeof(double));
printf("Enter the coefficients a, b, c of x^3 + ax^2 + b*x + c = 0\n");
scanf("%lf %lf %lf", &a, &b, &c);
gsl_poly_solve_cubic(a, b, c, x0, x1, x2);
--
Brian Gough
Network Theory Ltd,
Commercial support for GSL --- http://www.network-theory.co.uk/gsl/