VecPointwiseSign

Computes the component-wise sign y[i] = sign(x[i]).

Synopsis

#include "petscvec.h"   
PetscErrorCode VecPointwiseSign(Vec y, Vec x, VecSignMode sign_type)

Logically Collective

Input Parameters

• x - the input vector

• sign_type - VecSignMode indicating how the function should map zero values.

Output Parameter

• y - the sign vector of x

See Also

Vectors and Parallel Data, Vec, VecSignMode

Level

beginner

Location

src/vec/vec/interface/vector.c

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Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages