TESTING/LIN/cchkpt.f(3)

💅 TESTING/LIN/cchkpt.f — the cchkpt tea ☕

okok so real quick, bestie: this is a page from LAPACK's testing suite — it lives at TESTING/LIN/cchkpt.f and it is, no cap, the vibe check for a whole little family of routines. Let's get into it ✨

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✨ SYNOPSIS ✨

Functions/Subroutines 🫶

subroutine cchkpt (dotype, nn, nval, nns, nsval, thresh, tsterr, a, d,
    e, b, x, xact, work, rwork, nout)

CCHKPT — that's the main character right there 👑

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🦋 Function/Subroutine Documentation 🦋

subroutine cchkpt — the full glow-up 💖

subroutine cchkpt (logical, dimension( * ) dotype, integer nn, integer,
    dimension( * ) nval, integer nns, integer, dimension( * ) nsval, real
    thresh, logical tsterr, complex, dimension( * ) a, real, dimension( * )
    d, complex, dimension( * ) e, complex, dimension( * ) b, complex,
    dimension( * ) x, complex, dimension( * ) xact, complex, dimension( * )
    work, real, dimension( * ) rwork, integer nout)

CCHKPT

🎀 Purpose:

CCHKPT tests CPTTRF, -TRS, -RFS, and -CON

like literally that's the whole job and she does it flawlessly 💅

🌸 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. so basically it's the guest list and some types are simply not invited 🙈
• NN — NN is INTEGER. The number of values of N contained in the vector NVAL. she's the headcount for the dimension values ✨
• NVAL — NVAL is INTEGER array, dimension (NN). The values of the matrix dimension N. iconic little lineup of sizes 👑
• NNS — NNS is INTEGER. The number of values of NRHS contained in the vector NSVAL. and yes that's how many right-hand-side counts we're serving 🍓
• NSVAL — NSVAL is INTEGER array, dimension (NNS). The values of the number of right hand sides NRHS. the actual numbers, no cap 💜
• 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. so like, if u want the full receipts, set it to 0 and she spills everything 😭
• TSTERR — TSTERR is LOGICAL. Flag that indicates whether error exits are to be tested. we love a little error-path drama test fr fr 🔥
• A — A is COMPLEX array, dimension (NMAX*2)
• D — D is REAL array, dimension (NMAX*2)
• E — E is COMPLEX array, dimension (NMAX*2)
• B — B is COMPLEX array, dimension (NMAX*NSMAX) where NSMAX is the largest entry in NSVAL. 🫶
• X — X is COMPLEX array, dimension (NMAX*NSMAX)
• XACT — XACT is COMPLEX array, dimension (NMAX*NSMAX)
• WORK — WORK is COMPLEX array, dimension (NMAX*max(3,NSMAX))
• RWORK — RWORK is REAL array, dimension (max(NMAX,2*NSMAX))
• NOUT — NOUT is INTEGER. The unit number for output. that's where the ✨results✨ get printed, bestie 🎀

🌈 Author

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

⭐ Definition

Definition at line 145 of file cchkpt.f.

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👑 Author (yes, again — different author, don't @ me)

Generated automatically by Doxygen for LAPACK from the source code. so nobody hand-wrote this, the robots did it 🧚

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💀 friendly reminder: this is a testing routine, so she's not out here solving your systems — she's out here grading them. main character energy, zero cap.

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ok that's the whole page, bestie! this was LAPACK, Version 3.12.0, living at TESTING/LIN/cchkpt.f(3) — go forth and test those CPTTRF/-TRS/-RFS/-CON girlies 💖✨🎀🦋