LAPACK 3.11.0
LAPACK: Linear Algebra PACKage

◆ slctsx()

logical function slctsx ( real  AR,
real  AI,
real  BETA 
)

SLCTSX

Purpose:
 This function is used to determine what eigenvalues will be
 selected.  If this is part of the test driver SDRGSX, do not
 change the code UNLESS you are testing input examples and not
 using the built-in examples.
Parameters
[in]AR
          AR is REAL
          The numerator of the real part of a complex eigenvalue
          (AR/BETA) + i*(AI/BETA).
[in]AI
          AI is REAL
          The numerator of the imaginary part of a complex eigenvalue
          (AR/BETA) + i*(AI).
[in]BETA
          BETA is REAL
          The denominator part of a complex eigenvalue
          (AR/BETA) + i*(AI/BETA).
Author
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.