slepc-main 2024-11-22
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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

Note

This function is not available from Fortran.

Level

developer

Location

include/slepcmath.h

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