TESTING/LIN/schkpp.f(3)

💅 TESTING/LIN/schkpp.f — the girlies call her schkpp ✨

ok so real talk, this is the TESTING/LIN/schkpp.f page from the LAPACK docs, and honestly? she's a test driver and she's booked and busy. come learn her whole deal with me 🫶

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🎀 SYNOPSIS 🎀

Functions/Subroutines

• subroutine schkpp (dotype, nn, nval, nns, nsval, thresh, tsterr, nmax, a, afac, ainv, b, x, xact, work, rwork, iwork, nout) — SCHKPP, that's her, that's the whole queen 👑

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🌸 Function/Subroutine Documentation 🌸

subroutine schkpp (logical, dimension( * ) dotype, integer nn, integer,
    dimension( * ) nval, integer nns, integer, dimension( * ) nsval, real
    thresh, logical tsterr, integer nmax, real, dimension( * ) a, real,
    dimension( * ) afac, real, dimension( * ) ainv, real, dimension( * ) b,
    real, dimension( * ) x, real, dimension( * ) xact, real, dimension( * )
    work, real, dimension( * ) rwork, integer, dimension( * ) iwork, integer
    nout)

SCHKPP — say it with your chest 💜

⭐ Purpose ⭐

SCHKPP tests SPPTRF, -TRI, -TRS, -RFS, and -CON

like she literally exists to put those five through their paces. no cap, that's the whole job 🔥

✨ Parameters ✨

• DOTYPE — DOTYPE is LOGICAL array, dimension (NTYPES). these are the matrix types to be used for testing, bestie. matrices of type j (for 1 <= j <= NTYPES) get tested if DOTYPE(j) = .TRUE.; if DOTYPE(j) = .FALSE., then type j is not used. so basically she's picking her fighters 🥊
• NN — NN is INTEGER. it's the number of values of N contained in the vector NVAL. the headcount of the headcounts, iykyk 🌈
• NVAL — NVAL is INTEGER array, dimension (NN). the values of the matrix dimension N. these are the sizes, periodt 📏
• NNS — NNS is INTEGER. the number of values of NRHS contained in the vector NSVAL. yes it's a double-N situation, we love her for it 🎀
• NSVAL — NSVAL is INTEGER array, dimension (NNS). the values of the number of right hand sides NRHS. the how-many-RHS-are-we-doing-today list 💅
• THRESH — THRESH is REAL. the threshold value for the test ratios. a result gets included in the output file if RESULT >= THRESH. want every test ratio printed? use THRESH = 0. iconique behaviour, no filter 💀
• TSTERR — TSTERR is LOGICAL. flag that indicates whether error exits are to be tested. a lil yes/no for the messy edge cases 🙈
• NMAX — NMAX is INTEGER. the maximum value permitted for N, used in dimensioning the work arrays. the big one, the ceiling, the main character limit 👑
• A — A is REAL array, dimension (NMAX*(NMAX+1)/2). she's packed, she's triangular-adjacent, she's A 🦋
• AFAC — AFAC is REAL array, dimension (NMAX*(NMAX+1)/2). the factored version of the situation, same exact dimension energy 🌸
• AINV — AINV is REAL array, dimension (NMAX*(NMAX+1)/2). the inverse era, same exact dimension energy 💖
• B — B is REAL array, dimension (NMAX*NSMAX), where NSMAX is the largest entry in NSVAL. the right hand sides themselves, living large ✨
• X — X is REAL array, dimension (NMAX*NSMAX). the solution slot, same size, same vibe 🌈
• XACT — XACT is REAL array, dimension (NMAX*NSMAX). the exact solution, for comparison purposes, and she's also (NMAX*NSMAX) obviously 🍓
• WORK — WORK is REAL array, dimension (NMAX*max(3,NSMAX)). note the max(3,NSMAX), bestie, do not come for me with a plain NSMAX 😭
• RWORK — RWORK is REAL array, dimension (max(NMAX,2*NSMAX)). another max, another 2*NSMAX, that's literally the spec, I don't make the rules 💀
• IWORK — IWORK is INTEGER array, dimension (NMAX). the integer work space, small but mighty 🧚
• NOUT — NOUT is INTEGER. the unit number for output. where she spills the tea ☕

👑 Author 👑

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

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💜 Definition at line 160 of file schkpp.f.

🌟 Author (again, she said double credits) 🌟

Generated automatically by Doxygen for LAPACK from the source code. not a human wrote this one, she was born this way 💅

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so yeah, that's schkpp, that's the page. footer tea: this is LAPACK, Version 3.12.0, and the timestamp on this whole thing is TESTING/LIN/schkpp.f(3) 🫶 go forth and test those packed routines, bestie. slay, ate, left no crumbs, NMAX*(NMAX+1)/2 🎀✨