TESTING/LIN/schkge.f(3)

✨ NAME ✨

okay bestie, this is the TESTING/LIN/schkge.f(3) page from the Library Functions Manual, and it is literally all about the schkge subroutine. No cap. 🫶

💫 SYNOPSIS 💫

✨ Functions/Subroutines ✨

       subroutine schkge (dotype, nm, mval, nn, nval, nnb, nbval, nns, nsval,
           thresh, tsterr, nmax, a, afac, ainv, b, x, xact, work, rwork, iwork,
           nout)
           SCHKGE

🔍 Function/Subroutine Documentation 🔍

here's the full signature, copied exactly so nobody gets lost:

   subroutine schkge (logical, dimension( * ) dotype, integer nm, integer,
       dimension( * ) mval, integer nn, integer, dimension( * ) nval, integer
       nnb, integer, dimension( * ) nbval, integer nns, integer, dimension( * )
       nsval, real thresh, logical tsterr, integer nmax, real, dimension( * )
       a, real, dimension( * ) afac, real, dimension( * ) ainv, real,
       dimension( * ) b, real, dimension( * ) x, real, dimension( * ) xact,
       real, dimension( * ) work, real, dimension( * ) rwork, integer,
       dimension( * ) iwork, integer nout)
       SCHKGE

🎯 Purpose 🎯

bestie, SCHKGE tests SGETRF, -TRI, -TRS, -RFS, and -CON. that's the whole assignment. 💅

🧾 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.
• NM — NM is INTEGER: the number of values of M contained in the vector MVAL.
• MVAL — MVAL is INTEGER array, dimension (NM). The values of the matrix row dimension M.
• 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 column dimension N.
• NNB — NNB is INTEGER: the number of values of NB contained in the vector NBVAL.
• NBVAL — NBVAL is INTEGER array, dimension (NNB). The values of the blocksize NB.
• 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 REAL: 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 M or N, used in dimensioning the work arrays.
• A — A is REAL array, dimension (NMAX*NMAX).
• AFAC — AFAC is REAL array, dimension (NMAX*NMAX).
• AINV — AINV is REAL array, dimension (NMAX*NMAX).
• B — B is REAL array, dimension (NMAX*NSMAX) where NSMAX is the largest entry in NSVAL.
• X — X is REAL array, dimension (NMAX*NSMAX).
• XACT — XACT is REAL array, dimension (NMAX*NSMAX).
• WORK — WORK is REAL array, dimension (NMAX*max(3,NSMAX)).
• RWORK — RWORK is REAL array, dimension (max(2*NMAX,2*NSMAX+NWORK)).
• 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 📍

Definition at line 182 of file schkge.f.

🤖 Author (auto-generated) 🤖

Generated automatically by Doxygen for LAPACK from the source code.

---

LAPACK Version 3.12.0 · TESTING/LIN/schkge.f(3) — that’s a wrap, bestie! 💖✨