petsc-3.14.5 2021-03-03
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# PetscMergeMPIIntArray

Merges two SORTED integer arrays.

### Synopsis

    #include "petscsys.h"
    PetscErrorCode PetscMergeMPIIntArray(PetscInt an,const PetscMPIInt aI[],PetscInt bn,const PetscMPIInt bI[],PetscInt *n,PetscMPIInt **L)

Not Collective

### Input Parameters

| an | - number of values in the first array
| aI | - first sorted array of integers
| bn | - number of values in the second array
| bI | - second array of integers

### Output Parameters

| n | - number of values in the merged array (<= an + bn)
| L | - merged sorted array, allocated if address of NULL pointer is passed

### See Also

PetscIntSortSemiOrdered(), PetscSortReal(), PetscSortIntPermutation(), PetscSortInt(), PetscSortIntWithArray()

### Level

intermediate

### Location

src/sys/utils/sorti.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages