E3a3. Quadrature involving fitted functions

Functions
void	bfqad (double(*f)(double), double t[], double bcoef[], int n, int k, int id, double x1, double x2, double tol, double *quad, double work[], int *info)
	Integral of product of arbitrary function and B-representation of B-spline
void	bfqad_r (double t[], double bcoef[], int n, int k, int id, double x1, double x2, double tol, double *quad, double work[], int *info, double *xx, double yy, int *irev)
	Integral of product of arbitrary function and B-representation of B-spline (reverse communication version)
void	bsqad (double t[], double bcoef[], int n, int k, double x1, double x2, double *bquad, double work[], int *info)
	Integral of B-representation of B-spline
double	pchia (int n, double x[], double f[], double d[], int incfd, int skip, double a, double b, int *info)
	Integral of piecewise cubic Hermite / cubic spline function
double	pchid (int n, double x[], double f[], double d[], int incfd, int skip, int ia, int ib, int *info)
	Integral of piecewise cubic Hermite / cubic spline function (over an interval whose endpoints are data points)
void	pfqad (double(*f)(double), int ldc, double c[], double xi[], int lxi, int k, int id, double x1, double x2, double tol, double *quad, int *info)
	Integral of product of arbitrary function and PP (piecewise polynomial) form of B-spline
void	pfqad_r (int ldc, double c[], double xi[], int lxi, int k, int id, double x1, double x2, double tol, double *quad, int *info, double *xx, double yy, int *irev)
	Integral of product of arbitrary function and PP (piecewise polynomial) form of B-spline (reverse communication version)
void	ppqad (int ldc, double c[], double xi[], int lxi, int k, double x1, double x2, double *pquad, int *info)
	Integral of PP (piecewise polynomial) form of B-spline

Detailed Description

This is the group of E3a3. Quadrature involving fitted functions.