|
Action:
|
Evaluates the
nth derivative of a given
bs3_curve at a given parameter value.
|
|
|
Prototype:
|
SPAvector bs3_curve_nderiv (
|
|
|
double param,
|
// parameter at which
|
|
|
|
|
// derivative is desired
|
|
|
bs3_curve cur,
|
// given curve
|
|
|
int nder
|
// derivative number
|
|
|
);
|
|
|
Includes:
|
#include "kernel/acis.hxx"
|
|
#include "baseutil/vector/vector.hxx"
|
|
#include "kernel/spline/bs3_crv/bs3curve.hxx"
|
|
#include "kernel/spline/bs3_crv/sp3crtn.hxx"
|
|
|
Description:
|
The derivative is returned. This routine is mostly used for computing the third derivative of a
bs3_curve or up.
|
|
|
Library:
|
kernel
|
|
|
Filename:
|
kern/kernel/spline/bs3_crv/sp3crtn.hxx
|
|
|
Effect:
|
Read-only
|