DCHKSP(3)

💅 DCHKSP(3) — Library Functions Manual 💅

Okay bestie, this is DCHKSP(3) from the Library Functions Manual, and the header path is /home/abui...IN/dchksp.f(3) — yes, the original header does the little double-path thing, so it shows up twice. We are keeping every fact and making it cute. 💖

🎀 NAME 🎀

/home/abuild/rpmbuild/BUILD/lapack-static-3.12.0-build/lapack-3.12.0/TESTING/LIN/dchksp.f

That's the whole NAME section, periodt. 🫶

✨ SYNOPSIS ✨

🌸 Functions/Subroutines 🌸

subroutine DCHKSP (dotype, nn, nval, nns, nsval, thresh, tsterr, nmax,
           a, afac, ainv, b, x, xact, work, rwork, iwork, nout)
           DCHKSP

🧚 Function/Subroutine Documentation 🧚

The full typed-out signature is exactly:

subroutine DCHKSP (logical, dimension( * ) dotype, integer nn, integer,
       dimension( * ) nval, integer nns, integer, dimension( * ) nsval, double
       precision thresh, logical tsterr, integer nmax, double precision,
       dimension( * ) a, double precision, dimension( * ) afac, double
       precision, dimension( * ) ainv, double precision, dimension( * ) b,
       double precision, dimension( * ) x, double precision, dimension( * )
       xact, double precision, dimension( * ) work, double precision,
       dimension( * ) rwork, integer, dimension( * ) iwork, integer nout)
       DCHKSP

🦋 Purpose: 🦋

The purpose block is literally this:

!>
!> DCHKSP tests DSPTRF, -TRI, -TRS, -RFS, and -CON
!>

So it is testing DSPTRF, -TRI, -TRS, -RFS, and -CON. That's the whole assignment, no cap. 💅

💖 Parameters 💖

• DOTYPE — DOTYPE is LOGICAL array, dimension (NTYPES). The matrix types to be used for testing. Matrices of type j (for 1 <= j <= NTYPES) are used for testing if DOTYPE(j) = .TRUE.; if DOTYPE(j) = .FALSE., then type j is not used. 🫶
• NN — NN is INTEGER. The number of values of N contained in the vector NVAL. ✨
• NVAL — NVAL is INTEGER array, dimension (NN). The values of the matrix dimension N. 🌸
• NNS — NNS is INTEGER. The number of values of NRHS contained in the vector NSVAL. 🦋
• NSVAL — NSVAL is INTEGER array, dimension (NNS). The values of the number of right hand sides NRHS. 🎀
• THRESH — THRESH is DOUBLE PRECISION. The threshold value for the test ratios. A result is included in the output file if RESULT >= THRESH. To have every test ratio printed, use THRESH = 0. 🔥
• TSTERR — TSTERR is LOGICAL. Flag that indicates whether error exits are to be tested. 💀
• NMAX — NMAX is INTEGER. The maximum value permitted for N, used in dimensioning the work arrays. 👑
• A — A is DOUBLE PRECISION array, dimension (NMAX*(NMAX+1)/2). 🌈
• AFAC — AFAC is DOUBLE PRECISION array, dimension (NMAX*(NMAX+1)/2). ⭐
• AINV — AINV is DOUBLE PRECISION array, dimension (NMAX*(NMAX+1)/2). 💜
• B — B is DOUBLE PRECISION array, dimension (NMAX*NSMAX) where NSMAX is the largest entry in NSVAL. 🍓
• X — X is DOUBLE PRECISION array, dimension (NMAX*NSMAX). 💖
• XACT — XACT is DOUBLE PRECISION array, dimension (NMAX*NSMAX). ✨
• WORK — WORK is DOUBLE PRECISION array, dimension (NMAX*max(2,NSMAX)). 🧚
• RWORK — RWORK is DOUBLE PRECISION array, dimension (NMAX+2*NSMAX). 🌸
• IWORK — IWORK is INTEGER array, dimension (2*NMAX). 🦋
• NOUT — NOUT is INTEGER. The unit number for output. 💅

👑 Author 👑

• Univ. of Tennessee
• Univ. of California Berkeley
• Univ. of Colorado Denver
• NAG Ltd.

Definition at line 160 of file dchksp.f.

🌈 Author 🌈

Generated automatically by Doxygen for LAPACK from the source code.

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With all the love, the footer says LAPACK, Version 3.12.0, and /home/abui...IN/dchksp.f(3). Mwah 💋✨