DPCHQ1(3)

SYNOPSIS
SUBROUTINE DPCHQ1 (LUN, KPRINT, IPASS)

NAME
dpchq1 - Test the PCHIP evaluators DCHFDV, DCHFEV, DPCHFD, DPCHFE.

LIBRARY
SLATEC (PCHIP)

TYPE
DOUBLE PRECISION (PCHQK1-S, DPCHQ1-D)

KEYWORDS
PCHIP EVALUATOR QUICK CHECK

AUTHOR
Fritsch, F. N., (LLNL)

DESCRIPTION
DPCHIP QUICK CHECK NUMBER 1 TESTS THE EVALUATORS: DCHFDV, DCHFEV, DPCHFD, DPCHFE. *Usage: INTEGER LUN, KPRINT, IPASS CALL DPCHQ1 (LUN, KPRINT, IPASS) *Arguments: LUN :IN is the unit number to which output is to be written. KPRINT:IN controls the amount of output, as specified in the SLATEC Guidelines. IPASS:OUT will contain a pass/fail flag. IPASS=1 is good. IPASS=0 indicates one or more tests failed. *Description: This routine carries out three tests of the PCH evaluators: DEVCHK tests the single-cubic evaluators. DEVPCK tests the full PCH evaluators. DEVERK exercises the error returns in all evaluators.

ROUTINES CALLED
DEVCHK, DEVERK, DEVPCK

REVISION HISTORY (YYMMDD)
820601 DATE WRITTEN
890306 Changed IPASS to the more accurate name IFAIL. (FNF)
890307 Removed conditional on call to DEVERK.
890706 Cosmetic changes to prologue. (WRB)
891004 Correction in prologue. (WRB)
891214 Prologue converted to Version 4.0 format. (BAB)
900309 Added DEVERK to list of routines called. (FNF)
900314 Improved some output formats.
900315 Revised prologue and improved some output formats. (FNF)
900316 Additional minor cosmetic changes. (FNF)
900321 Removed IFAIL from call sequence for SLATEC standards and made miscellaneous cosmetic changes. (FNF)
930317 Improved output formats. (FNF)