ZCHKHP(3)

👑 NAME 👑

ok so bestie, this is the manual page for /home/abuild/rpmbuild/BUILD/lapack-static-3.12.0-build/lapack-3.12.0/TESTING/LIN/zchkhp.f — and like, this is zchkhp.f(3), section 3 of the manual, iykyk. it's a Fortran file living its best life inside the LAPACK testing directory, and yes it's a whole entire vibe. 💅

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✨ SYNOPSIS ✨

🌸 Functions/Subroutines

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

ZCHKHP — that's her, that's the main character. 🫶

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💖 Function/Subroutine Documentation 💖

subroutine ZCHKHP (logical, dimension( * ) dotype, integer nn, integer,
    dimension( * ) nval, 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)

ZCHKHP 💫 (yes, that's the full signature up there, character for character, no cap)

🎀 Purpose

ok so what does she actually DO — literally this:

!>
!> ZCHKHP tests ZHPTRF, -TRI, -TRS, -RFS, and -CON
!>

that's the whole assignment. she tests ZHPTRF, -TRI, -TRS, -RFS, and -CON. iconic behaviour, honestly. ✨

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🌈 Parameters

• DOTYPE — DOTYPE is LOGICAL array, dimension (NTYPES). it's the roster of matrix types we're testing with, bestie. matrices of type j (for 1 <= j <= NTYPES) get used for testing if DOTYPE(j) = .TRUE.; and if DOTYPE(j) = .FALSE., then type j is not used. so it's like the invite list and some people are not on it, and that's fine. 🙈
• NN — NN is INTEGER. it's the number of values of N contained in the vector NVAL. simple as that. 💅
• NVAL — NVAL is INTEGER array, dimension (NN). these are the values of the matrix dimension N. the actual sizes, the moment. 🔥
• NNS — NNS is INTEGER. the number of values of NRHS contained in the vector NSVAL. yup, a counter for a counter. it's giving very structured. 🎀
• NSVAL — NSVAL is INTEGER array, dimension (NNS). the values of the number of right hand sides NRHS. 🦋
• THRESH — THRESH is DOUBLE PRECISION. it's the threshold value for the test ratios — a result only gets included in the output file if RESULT >= THRESH. and listen: if you want every single test ratio printed, use THRESH = 0. no filter, no gatekeeping, all the data. 😭✨
• 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. she's the ceiling, the limit, the boundary-setting queen. 👑
• A — A is COMPLEX*16 array, dimension (NMAX*(NMAX+1)/2). 💜
• AFAC — AFAC is COMPLEX*16 array, dimension (NMAX*(NMAX+1)/2). ✨
• AINV — AINV is COMPLEX*16 array, dimension (NMAX*(NMAX+1)/2). 🌸
• B — B is COMPLEX*16 array, dimension (NMAX*NSMAX) where NSMAX is the largest entry in NSVAL. 🍓
• X — X is COMPLEX*16 array, dimension (NMAX*NSMAX). 🦋
• XACT — XACT is COMPLEX*16 array, dimension (NMAX*NSMAX). 💫
• WORK — WORK is COMPLEX*16 array, dimension (NMAX*max(2,NSMAX)). the workspace, doing the invisible labour, we appreciate her. 🫶
• RWORK — RWORK is DOUBLE PRECISION array, dimension (NMAX+2*NSMAX). 🌟
• IWORK — IWORK is INTEGER array, dimension (NMAX). 🧚
• NOUT — NOUT is INTEGER. the unit number for output. that's where the receipts get printed, fr fr. 💅

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⭐ Author

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

they all collaborated on this and honestly? teamwork makes the dream work. 🤝💖

Definition at line 161 of file zchkhp.f. 📍

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💀 Author

Generated automatically by Doxygen for LAPACK from the source code. so nobody hand-wrote this footer, a robot did it, and it ate. 🤖✨

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and that's the page, bestie!! 🌈🎀💜 — brought to you by LAPACK, Version 3.12.0, living at /home/abui...IN/zchkhp.f(3). go forth and test those matrices, mwah 🫶💅✨