ZCHKHE_ROOK(3)

🌸 NAME 🌸

okay so this is the Library Functions Manual page for TESTING/LIN/zchkhe_rook.f, and the manual name is TESTING/LI...hkhe_rook.f(3) — yes bestie, it’s giving “auto-generated LAPACK testing page” energy, and we’re gonna read it together 💅✨

No cap, this page is all about the ZCHKHE_ROOK testing subroutine.

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✨ SYNOPSIS ✨

🦋 Functions/Subroutines 🦋

the whole vibe in one signature:

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

ZCHKHE_ROOK — that’s the function/subroutine, periodt.

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💖 Function/Subroutine Documentation 💖

⭐ subroutine zchkhe_rook ⭐

here’s the full typed signature, character for character:

   subroutine zchkhe_rook (logical, dimension( * ) dotype, integer nn, integer,
       dimension( * ) nval, integer nnb, integer, dimension( * ) nbval, integer
       nns, integer, dimension( * ) nsval, double precision thresh, logical
       tsterr, integer nmax, complex*16, dimension( * ) a, complex*16,
       dimension( * ) afac, complex*16, dimension( * ) ainv, complex*16,
       dimension( * ) b, complex*16, dimension( * ) x, complex*16, dimension( *
       ) xact, complex*16, dimension( * ) work, double precision, dimension( *
       ) rwork, integer, dimension( * ) iwork, integer nout)
       ZCHKHE_ROOK

and yup, the name is right there again: ZCHKHE_ROOK 👑

🎯 Purpose 🎯

okay so the source comment says it plain: ZCHKHE_ROOK tests ZHETRF_ROOK, -TRI_ROOK, -TRS_ROOK, and -CON_ROOK. That’s the whole purpose, bestie — it’s testing those routines and it is not hiding it 🫶

🍓 Parameters 🍓

now the parameter tour, and yes we’re doing every single one:

• 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. so cute, so logical, literally picking which test types get to show up 💅
• NN — INTEGER. The number of values of N contained in the vector NVAL.
• NVAL — INTEGER array, dimension (NN). The values of the matrix dimension N.
• NNB — INTEGER. The number of values of NB contained in the vector NBVAL.
• NBVAL — INTEGER array, dimension (NNB). The values of the blocksize NB.
• NNS — INTEGER. The number of values of NRHS contained in the vector NSVAL.
• NSVAL — INTEGER array, dimension (NNS). The values of the number of right hand sides NRHS.
• 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. so if you want the whole tea spilled, set it to zero 🍵
• TSTERR — LOGICAL. Flag that indicates whether error exits are to be tested.
• NMAX — INTEGER. The maximum value permitted for N, used in dimensioning the work arrays.
• A — CCOMPLEX*16 array, dimension (NMAX*NMAX).
• AFAC — COMPLEX*16 array, dimension (NMAX*NMAX).
• AINV — COMPLEX*16 array, dimension (NMAX*NMAX).
• B — CCOMPLEX*16 array, dimension (NMAX*NSMAX) where NSMAX is the largest entry in NSVAL.
• X — COMPLEX*16 array, dimension (NMAX*NSMAX).
• XACT — COMPLEX*16 array, dimension (NMAX*NSMAX).
• WORK — COMPLEX*16 array, dimension (NMAX*max(3,NSMAX)).
• RWORK — DOUBLE PRECISION array, dimension (max(NMAX,2*NSMAX) and yes, that’s exactly how the paren situation is printed here — I’m just the messenger, bestie 😭
• IWORK — INTEGER array, dimension (2*NMAX).
• NOUT — INTEGER. The unit number for output.

👑 Author 👑

the author section is serving institution-realness:

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

📌 Definition at line 📌

Definition at line 169 of file zchkhe_rook.f.

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💜 Author 💜

Generated automatically by Doxygen for LAPACK from the source code.

so yeah, Doxygen made this page happen — automated icon behavior, no cap 🧚

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that’s the whole page, bestie: LAPACK Version 3.12.0 from TESTING/LI...hkhe_rook.f(3) — slay, bye 💋🎀