VecAXPBY#
Computes y = alpha x + beta y.
Synopsis#
#include "petscvec.h"
PetscErrorCode VecAXPBY(Vec y, PetscScalar alpha, PetscScalar beta, Vec x)
Logically Collective
Input Parameters#
alpha - first scalar
beta - second scalar
x - the first scaled vector
y - the second scaled vector
Output Parameter#
y - output vector
Developer Notes#
The implementation is optimized for alpha and/or beta values of 0.0 and 1.0
See Also#
Vectors and Parallel Data, Vec, VecAYPX(), VecMAXPY(), VecWAXPY(), VecAXPY(), VecAXPBYPCZ()
Level#
intermediate
Location#
Examples#
Implementations#
VecAXPBY_Nest() in src/vec/vec/impls/nest/vecnest.c
VecAXPBY_Seq() in src/vec/vec/impls/seq/bvec1.c
VecAXPBY_SeqKokkos() in src/vec/vec/impls/seq/kokkos/veckok.kokkos.cxx
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