PetscArgScalar

Returns the argument (phase angle) of a PetscScalar value, as a PetscReal; for real PetscScalar this is 0 for nonnegative values and PETSC_PI otherwise

Synopsis

#include <petscmath.h>
PetscReal PetscArgScalar(PetscScalar a)

Not Collective; No Fortran Support

Input Parameter

. a - the value

See Also

PetscReal, PetscScalar, PetscComplex

Level

beginner

Location

include/petscmath.h

Examples

src/sys/tests/ex25.c

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