Handbook on splines for the user

the long version

Disk contains programs in Fortran and C for: Interpolating cubic spline functions of one variable. -- Smoothing cubic spline functions of one variable. -- Interpolating bicubic spline functions of two variables. -- Smoothing bicubic spline functions of two variables. -- Constructing cubic Bézier curves. -- Constructing cubic B-spline curves. -- Constructing Beta-spline curves. -- Constructing cubic Hermite curves. -- Constructing Catmull-Rom curves. -- constructing bicubic Bézier surfaces. -- Constructing bicubic B-spline surfaces. -- Constructing Beta-spline surfaces. -- Constructing bicubic Hermite surfaces.