TESTING/LIN/cchksp.f(3)
πΈ NAME πΈ
Welcome to the Library Functions Manual page for TESTING/LIN/cchksp.f(3) β okay bestie, this is the page for the file TESTING/LIN/cchksp.f, and the routine in the spotlight is CCHKSP. Thatβs the whole name situation. π
β¨ SYNOPSIS β¨
Functions/Subroutines
subroutine cchksp (dotype, nn, nval, nns, nsval, thresh, tsterr, nmax, a, afac, ainv, b, x, xact, work, rwork, iwork, nout)
CCHKSP
π Function/Subroutine Documentation π
subroutine cchksp
subroutine cchksp (logical, dimension( * ) dotype, integer nn, integer, dimension( * ) nval, integer nns, integer, dimension( * ) nsval, real thresh, logical tsterr, integer nmax, complex, dimension( * ) a, complex, dimension( * ) afac, complex, dimension( * ) ainv, complex, dimension( * ) b, complex, dimension( * ) x, complex, dimension( * ) xact, complex, dimension( * ) work, real, dimension( * ) rwork, integer, dimension( * ) iwork, integer nout)
CCHKSP
Purpose
CCHKSP tests CSPTRF, -TRI, -TRS, -RFS, and -CON. Thatβs it β itβs giving βone job, but make it thoroughβ energy, and it ate. π₯
Parameters
DOTYPEβDOTYPEis aLOGICALarray, dimension(NTYPES). The matrix types to be used for testing: matrices of typej(for1 <= j <= NTYPES) are used for testing ifDOTYPE(j) = .TRUE.; ifDOTYPE(j) = .FALSE., then typejis not used. π«ΆNNβNNisINTEGER: the number of values ofNcontained in the vectorNVAL.NVALβNVALis anINTEGERarray, dimension(NN): the values of the matrix dimensionN.NNSβNNSisINTEGER: the number of values ofNRHScontained in the vectorNSVAL.NSVALβNSVALis anINTEGERarray, dimension(NNS): the values of the number of right hand sidesNRHS.THRESHβTHRESHisREAL: the threshold value for the test ratios. A result is included in the output file ifRESULT >= THRESH. To have every test ratio printed, useTHRESH = 0. No cap, thatβs the rule. πTSTERRβTSTERRisLOGICAL: a flag that indicates whether error exits are to be tested.NMAXβNMAXisINTEGER: the maximum value permitted forN, used in dimensioning the work arrays.AβAis aCOMPLEXarray, dimension(NMAX*(NMAX+1)/2).AFACβAFACis aCOMPLEXarray, dimension(NMAX*(NMAX+1)/2).AINVβAINVis aCOMPLEXarray, dimension(NMAX*(NMAX+1)/2).BβBis aCOMPLEXarray, dimension(NMAX*NSMAX)whereNSMAXis the largest entry inNSVAL.XβXis aCOMPLEXarray, dimension(NMAX*NSMAX).XACTβXACTis aCOMPLEXarray, dimension(NMAX*NSMAX).WORKβWORKis aCOMPLEXarray, dimension(NMAX*max(2,NSMAX)).RWORKβRWORKis aREALarray, dimension(NMAX+2*NSMAX).IWORKβIWORKis anINTEGERarray, dimension(NMAX).NOUTβNOUTisINTEGER: the unit number for output.
π Author π
- Univ. of Tennessee
- Univ. of California Berkeley
- Univ. of Colorado Denver
- NAG Ltd.
Definition at line 161 of file cchksp.f.
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