double_lin(3)

📦
version 3.11.0 · 2 versions
, in debian bookworm

✨ NAME ✨

double_lin — bestie, this is the man page for double_lin(3), and the whole one-line summary is literally just: double. That's it. That's the name section. Iconic minimalism tbh 💅

💖 SYNOPSIS 💖

Functions

  • program dchkaa — DCHKAA

🦋 DETAILED DESCRIPTION 🦋

Okay so this whole page is the group of double LAPACK TESTING LIN routines — like, the linear equation testing squad. Periodt. 🌸

🌈 FUNCTION DOCUMENTATION 🌈

program dchkaa

DCHKAA

Purpose:

DCHKAA is the main test program for the <b>DOUBLE PRECISION LAPACK linear equation routines</b>. It's giving main character energy of the whole test suite, no cap. 👑

The way this program works is it must be driven by a short data file. Here's the deal:

  • The first 15 records (not including the first comment line) specify problem dimensions and program options using list-directed input.
  • The remaining lines specify the LAPACK test paths and the number of matrix types to use in testing.
An annotated example of a data file can be obtained by deleting the first 3 characters from the following 40 lines:
Data file for testing DOUBLE PRECISION LAPACK linear eqn. routines
7                      Number of values of M
0 1 2 3 5 10 16        Values of M (row dimension)
7                      Number of values of N
0 1 2 3 5 10 16        Values of N (column dimension)
1                      Number of values of NRHS
2                      Values of NRHS (number of right hand sides)
5                      Number of values of NB
1 3 3 3 20             Values of NB (the blocksize)
1 0 5 9 1              Values of NX (crossover point)
3                      Number of values of RANK
30 50 90               Values of rank (as a % of N)
20.0                   Threshold value of test ratio
T                      Put T to test the LAPACK routines
T                      Put T to test the driver routines
T                      Put T to test the error exits
DGE   11               List types on next line if 0 < NTYPES < 11
DGB    8               List types on next line if 0 < NTYPES <  8
DGT   12               List types on next line if 0 < NTYPES < 12
DPO    9               List types on next line if 0 < NTYPES <  9
DPS    9               List types on next line if 0 < NTYPES <  9
DPP    9               List types on next line if 0 < NTYPES <  9
DPB    8               List types on next line if 0 < NTYPES <  8
DPT   12               List types on next line if 0 < NTYPES < 12
DSY   10               List types on next line if 0 < NTYPES < 10
DSR   10               List types on next line if 0 < NTYPES < 10
DSK   10               List types on next line if 0 < NTYPES < 10
DSA   10               List types on next line if 0 < NTYPES < 10
DS2   10               List types on next line if 0 < NTYPES < 10
DSP   10               List types on next line if 0 < NTYPES < 10
DTR   18               List types on next line if 0 < NTYPES < 18
DTP   18               List types on next line if 0 < NTYPES < 18
DTB   17               List types on next line if 0 < NTYPES < 17
DQR    8               List types on next line if 0 < NTYPES <  8
DRQ    8               List types on next line if 0 < NTYPES <  8
DLQ    8               List types on next line if 0 < NTYPES <  8
DQL    8               List types on next line if 0 < NTYPES <  8
DQP    6               List types on next line if 0 < NTYPES <  6
DTZ    3               List types on next line if 0 < NTYPES <  3
DLS    6               List types on next line if 0 < NTYPES <  6
DEQ
DQT
DQX
DTQ
DXQ
DTS
DHH

And here are the parameters, bestie — every single one, we're not skipping anybody 🫶:

  • NMAX — INTEGER. The maximum allowable value for M and N.
  • MAXIN — INTEGER. The number of different values that can be used for each of M, N, NRHS, NB, NX and RANK.
  • MAXRHS — INTEGER. The maximum number of right hand sides.
  • MATMAX — INTEGER. The maximum number of matrix types to use for testing.
  • NIN — INTEGER. The unit number for input.
  • NOUT — INTEGER. The unit number for output.

Author

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

💜 AUTHOR 💜

Generated automatically by Doxygen for LAPACK from the source code. 🤖✨

And that's the whole page, babes 💖 This was LAPACK version 3.11.0, dated Sun Nov 27 2022, and yeah — it's double_lin(3) all the way down. Slay, go test those double precision linear equation routines, you got this 🌸💅🦋

📦 where this page comes from