#ifndef INTEGRANDS_H #define INTEGRANDS_H #include typedef struct { double *coefficients; int degree; } polynomial_integrand_params; double polynomial_integrand (double r, const gsl_vector* x, void *params); double gaussian_integrand (double r, const gsl_vector* x, void *params); double x_coordinate_integrand (double r, const gsl_vector* x, void *params); #endif