SlepcAbs#

Returns \(\sqrt{x^2+y^2}\), taking care not to cause unnecessary overflow. It is based on LAPACK’s DLAPY2.

Synopsis#

static inline PetscReal SlepcAbs(PetscReal x,PetscReal y)

Not Collective

Input parameters#

  • x - the first real number

  • y - the second real number

Output parameter#

  • return - the result

Fortran Note#

This function is not available from Fortran.

Level#

developer

Location#

include/slepcmath.h

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