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,y - the real numbers

Output parameter

• return - the result

Fortran Note

This function is not available from Fortran.

Level

developer

Location

include/slepcmath.h

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