Module DPCHIC in CMLIB

General Information

Determines a piecewise monotone, piecewise cubic Hermite interpolant to given data. User control is available over boundary conditions and/or treatment of points where monotonicity switches direction.)

Usage

CALL DPCHIC(IC, VC, SWITCH, N, X, F, D, INCFD, WK, NWK, IERR)

Classification

E1a	Interpolation of univariate data by polynomial splines (piecewise polynomials)

Type

subroutine in CMLIB package (PCHIPD sublibrary)

Language

Fortran

Availability

Public domain, Portable

Precision

Double Precision

Alternates

PCHIC

Single Precision

See also

PCHFE for evaluation. See package documentation for other facilities.

Download from ARNO; Silicon Graphics Origin 2000

Location

National Institute of Standards and Technology (NIST), Gaithersburg, MD.

Contact

Gaithersburg Consulting Office: 301-975-2968, consult@nist.gov

Usage

Those logged in to arno.nist.gov or amur.nist.gov may access this module as follows.

Documentation

cmdoc dpchic

Fullsource

cmsrcx dpchic

Source

cmsrc dpchic

To Link

See cmlib man page.

Installation on ITL; Unix Workstation Network

Location

National Institute of Standards and Technology (NIST), Gaithersburg, MD.

Contact

Gaithersburg Consulting Office: 301-975-2968 (FTS 879-2968)

Usage

Access available only to NIST staff on internal Unix systems. They may access this package provided the /itl tree is cross-mounted.

Documentation

cmdoc dpchic

Fullsource

cmsrcx dpchic

Source

cmsrc DPCHIC

To Link

f77 -o main main.f -lcm