slepc-3.21.1 2024-04-26
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SlepcSCCompare

Compares two (possibly complex) values according to a certain criterion.

Synopsis

#include "slepcsys.h" 
PetscErrorCode SlepcSCCompare(SlepcSC sc,PetscScalar ar,PetscScalar ai,PetscScalar br,PetscScalar bi,PetscInt *res)
Not Collective

Input Parameters

sc  - the sorting criterion context
ar  - real part of the 1st value
ai  - imaginary part of the 1st value
br  - real part of the 2nd value
bi  - imaginary part of the 2nd value

Output Parameter

res  - result of comparison

Notes

Returns an integer less than, equal to, or greater than zero if the first value is considered to be respectively less than, equal to, or greater than the second one.

See Also

SlepcSortEigenvalues(), SlepcSC

Level

developer

Location

src/sys/slepcsc.c

Index of all sys routines
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Index of all manual pages