TESTING/LIN/dchkq3.f(3)

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version 3.12.1 · 3 versions
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✨ NAME ✨

Okay bestie, this page is all about TESTING/LIN/dchkq3.f(3) — and yes, that's the manual name right there. It's from the Library Functions Manual, and the whole thing is serving dchkq3 documentation realness. 💅

✨ SYNOPSIS ✨

Functions/Subroutines:

subroutine dchkq3 (dotype, nm, mval, nn, nval, nnb, nbval, nxval, thresh, a, copya, s, tau, work, iwork, nout)

DCHKQ3

🦋 Function/Subroutine Documentation 🦋

Here's the full signature, exactly as the page gives it:

subroutine dchkq3 (logical, dimension( * ) dotype, integer nm, integer, dimension( * ) mval, integer nn, integer, dimension( * ) nval, integer nnb, integer, dimension( * ) nbval, integer, dimension( * ) nxval, double precision thresh, double precision, dimension( * ) a, double precision, dimension( * ) copya, double precision, dimension( * ) s, double precision, dimension( * ) tau, double precision, dimension( * ) work, integer, dimension( * ) iwork, integer nout)

DCHKQ3

🎀 Purpose 🎀

DCHKQ3 tests DGEQP3. That's it. That's the purpose. Focused. Iconic. No notes. 💅

💖 Parameters 💖

  • DOTYPE — 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 — INTEGER. The number of values of M contained in the vector MVAL.
  • MVAL — INTEGER array, dimension (NM). The values of the matrix row dimension M.
  • NN — INTEGER. The number of values of N contained in the vector NVAL.
  • NVAL — INTEGER array, dimension (NN). The values of the matrix column dimension N.
  • NNB — INTEGER. The number of values of NB and NX contained in the vectors NBVAL and NXVAL. The blocking parameters are used in pairs (NB,NX). 🔥
  • NBVAL — INTEGER array, dimension (NNB). The values of the blocksize NB.
  • NXVAL — INTEGER array, dimension (NNB). The values of the crossover point NX.
  • THRESH — 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. 🎀
  • A — DOUBLE PRECISION array, dimension (MMAX*NMAX) where MMAX is the maximum value of M in MVAL and NMAX is the maximum value of N in NVAL. 💖
  • COPYA — DOUBLE PRECISION array, dimension (MMAX*NMAX).
  • S — DOUBLE PRECISION array, dimension (min(MMAX,NMAX)).
  • TAU — DOUBLE PRECISION array, dimension (MMAX).
  • WORK — DOUBLE PRECISION array, dimension (MMAX*NMAX + 4*NMAX + MMAX).
  • IWORK — INTEGER array, dimension (2*NMAX).
  • NOUT — INTEGER. The unit number for output.

🌟 Author 🌟

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

Definition at line 150 of file dchkq3.f.

💜 Author 💜

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Okay that's the whole page, bestie! Cute little footer sign-off moment: source/version is LAPACK Version 3.12.0, tied to TESTING/LIN/dchkq3.f(3). The original footer didn't print a date, so I'm not inventing one — just giving you the version and the manual name, no cap. Byeee 💋✨

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