petsc-3.9.0 2018-04-07
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VecAXPBY

Computes y = alpha x + beta y.

Synopsis

#include "petscvec.h"   
PetscErrorCode  VecAXPBY(Vec y,PetscScalar alpha,PetscScalar beta,Vec x)
Logically Collective on Vec

Input Parameters

alpha,beta - the scalars
x, y - the vectors

Output Parameter

y -output vector

Notes: x and y MUST be different vectors

See Also

VecAYPX(), VecMAXPY(), VecWAXPY(), VecAXPY()

Level

intermediate

Location

src/vec/vec/interface/rvector.c

Implementations

VecAXPBY_Nest in src/vec/vec/impls/nest/vecnest.c
VecAXPBY_Node in src/vec/vec/impls/node/vecnode.c
VecAXPBY_Seq in src/vec/vec/impls/seq/bvec1.c
VecAXPBY_SeqCUDA in src/vec/vec/impls/seq/seqcuda/veccuda2.cu
VecAXPBY_SeqViennaCL in src/vec/vec/impls/seq/seqviennacl/vecviennacl.cxx

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