TESTING/EIG/cget36.f(3)

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version 3.12.1 · 2 versions
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🎀 NAME 🎀

okay bestie, this page is TESTING/EIG/cget36.f(3) from the Library Functions Manual, and the actual file it's hyping up is TESTING/EIG/cget36.f. it's giving LAPACK test-code main character energy, fr fr 💅

✨ SYNOPSIS ✨

🧚 Functions/Subroutines 🧚

subroutine cget36 (rmax, lmax, ninfo, knt, nin)
    CGET36

💖 Function/Subroutine Documentation 💖

🌸 subroutine cget36 🌸

subroutine cget36 (real rmax, integer lmax, integer ninfo, integer knt,
    integer nin)
    CGET36

🦋 Purpose 🦋

okay so CGET36 tests CTREXC, a routine for reordering diagonal entries of a matrix in complex Schur form. Thus, CLAEXC computes a unitary matrix Q such that

Q' * T1 * Q  = T2

and where one of the diagonal blocks of T1 (the one at row IFST) has been moved to position ILST.

The test code verifies that the residual Q'*T1*Q-T2 is small, that T2 is in Schur form, and that the final position of the IFST block is ILST.

The test matrices are read from a file with logical unit number NIN.

🍓 Parameters 🍓

  • RMAX — RMAX is REAL; value of the largest test ratio.
  • LMAX — LMAX is INTEGER; example number where largest test ratio achieved.
  • NINFO — NINFO is INTEGER; number of examples where INFO is nonzero.
  • KNT — KNT is INTEGER; total number of examples tested.
  • NIN — NIN is INTEGER; input logical unit number.

👑 Author 👑

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

Definition at line 84 of file cget36.f.

💜 Author 💜

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