TESTING/LIN/schktz.f(3)

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version 3.12.1 · 3 versions
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🌸 TESTING/LIN/schktz.f(3) 🌸

okay bestie, this page is from the Library Functions Manual and it’s all about the SCHKTZ subroutine. no cap, it’s giving “testing energy” ✨

✨ NAME ✨

TESTING/LIN/schktz.f

🫶 SYNOPSIS 🫶

Functions/Subroutines

subroutine schktz (dotype, nm, mval, nn, nval, thresh, tsterr, a, copya,
    s, tau, work, nout)
    SCHKTZ

👑 Function/Subroutine Documentation 👑

subroutine schktz (logical, dimension( * ) dotype, integer nm, integer,
    dimension( * ) mval, integer nn, integer, dimension( * ) nval, real
    thresh, logical tsterr, real, dimension( * ) a, real, dimension( * )
    copya, real, dimension( * ) s, real, dimension( * ) tau, real,
    dimension( * ) work, integer nout)
SCHKTZ

🎯 Purpose

SCHKTZ tests STZRZF. literally that’s the whole purpose, and it ate 💅

🧚 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.
  • 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. periodt.
  • TSTERR — TSTERR is LOGICAL. flag that indicates whether error exits are to be tested.
  • A — A is REAL 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 — COPYA is REAL array, dimension (MMAX*NMAX).
  • S — S is REAL array, dimension (min(MMAX,NMAX)).
  • TAU — TAU is REAL array, dimension (MMAX).
  • WORK — WORK is REAL array, dimension (MMAX*NMAX + 4*NMAX + MMAX).
  • 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 130 of file schktz.f.

💖 Author 💖

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that’s the whole page, bestie — sourced from LAPACK Version 3.12.0, TESTING/LIN/schktz.f(3) 🦋✨

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