TESTING/EIG/zckglm.f(3)

💅 TESTING/EIG/zckglm.f — the zckglm page, bestie edition ✨

okay so literally the file is TESTING/EIG/zckglm.f and it lives in the LAPACK library functions manual. that's the whole vibe. let's get into it 🫶

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✨ SYNOPSIS ✨

🌸 Functions/Subroutines

here's the whole squad, one (1) icon:

subroutine zckglm (nn, nval, mval, pval, nmats, iseed, thresh, nmax, a,
    af, b, bf, x, work, rwork, nin, nout, info)

ZCKGLM — that's her name, that's her whole brand 👑

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🎀 Function/Subroutine Documentation 🎀

the full signature, no cuts, no edits, periodt

subroutine zckglm (integer nn, integer, dimension( * ) nval, integer,
    dimension( * ) mval, integer, dimension( * ) pval, integer nmats,
    integer, dimension( 4 ) iseed, double precision thresh, integer nmax,
    complex*16, dimension( * ) a, complex*16, dimension( * ) af, complex*16,
    dimension( * ) b, complex*16, dimension( * ) bf, complex*16, dimension(
    * ) x, complex*16, dimension( * ) work, double precision, dimension( * )
    rwork, integer nin, integer nout, integer info)

ZCKGLM 💫

🦋 Purpose 🦋

ZCKGLM tests ZGGGLM — subroutine for solving generalized linear model problem.

that's it, that's the job. she runs the vibe check on ZGGGLM, the generalized linear model problem solver. queen behavior, honestly 🔥

👑 Parameters 👑

get comfy, bestie, there's a lot of them and every single one is getting her moment 🌈

• NN — NN is INTEGER. it's the number of values of N, M and P that are chillin' inside the vectors NVAL, MVAL and PVAL. she's the headcount 💜
• NVAL — NVAL is INTEGER array, dimension (NN). these are the values of the matrix row dimension N. rows, bestie, rows 📏
• MVAL — MVAL is INTEGER array, dimension (NN). the values of the matrix column dimension M. columns ✨
• PVAL — PVAL is INTEGER array, dimension (NN). the values of the matrix column dimension P. more columns, different letter, still iconic 🎀
• NMATS — NMATS is INTEGER. it's the number of matrix types to be tested for each combination of matrix dimensions. and here's the tea ☕: if NMATS >= NTYPES (the maximum number of matrix types), then all the different types get generated for testing. but if NMATS < NTYPES, another input line is read to get the numbers of the matrix types to be used. conditional queen 👑
• ISEED — ISEED is INTEGER array, dimension (4). on entry, it's the seed of the random number generator. the array elements should be between 0 and 4095 — otherwise they get reduced mod 4096 — and ISEED(4) must be odd. on exit, it's the next seed in the random number sequence after all the test matrices have been generated. she evolves, she grows 🌱
• THRESH — THRESH is DOUBLE PRECISION. the threshold value for the test ratios. a result gets included in the output file if RESID >= THRESH. and if you want every test ratio printed? set THRESH = 0. no gatekeeping, we love that 🙈
• NMAX — NMAX is INTEGER. the maximum value permitted for M or N, used in dimensioning the work arrays. the ceiling, the limit, the moment 💅
• A — A is COMPLEX*16 array, dimension (NMAX*NMAX) 🧚
• AF — AF is COMPLEX*16 array, dimension (NMAX*NMAX) 🧚
• B — B is COMPLEX*16 array, dimension (NMAX*NMAX) 🧚
• BF — BF is COMPLEX*16 array, dimension (NMAX*NMAX) 🧚
• X — X is COMPLEX*16 array, dimension (4*NMAX) 🌟 (yes, 4 times NMAX, she's built different)
• RWORK — RWORK is DOUBLE PRECISION array, dimension (NMAX) 🌸
• WORK — WORK is COMPLEX*16 array, dimension (NMAX*NMAX) 🦋

ngl the order in the parameter list is RWORK then WORK here — keep it that way, don't come for me 😭

• NIN — NIN is INTEGER. the unit number for input 📥
• NOUT — NOUT is INTEGER. the unit number for output 📤
• INFO — INFO is INTEGER. the status report, and she's giving:
  • = 0 : successful exit 🎉
  • > 0 : if ZLATMS returns an error code, the absolute value of it is returned. so like, an error, but dressed up as a positive number 💀

💖 Author 💖

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

the whole collective, we stan an ensemble cast 🫶

Definition at line 165 of file zckglm.f. that's where she lives, come visit 🏠

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⭐ Author ⭐

Generated automatically by Doxygen for LAPACK from the source code. not a human, just vibes and a parser 🤖✨

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okay bye bestie, go test those generalized linear model problems 💜

LAPACK — Version 3.12.0 — TESTING/EIG/zckglm.f(3) 🎀💅🦋