void myRunInC(ESMC_GridComp gcomp, ESMC_State importState,
ESMC_State exportState, ESMC_Clock *clock, int *rc){
// local data
ESMC_Array retrievedArray;
int localrc;
printf("I am in myRunInC()\n");
localrc=ESMC_StateGetArray(exportState, "array1", &retrievedArray);
double *ptr = (double *)ESMC_ArrayGetPtr(retrievedArray, 0, &localrc);
// verify data values
for (int j=0; j<2; j++){
for (int i=0; i<5; i++){
int ij= j*5 +i;
if ( fabs(ptr[ij]-float((j+1)*10+i+1)) > 1.e-8 ){
printf("ptr has wrong values at i=%d,j=%d,ij=%d\n", i,j,ij);
*rc = ESMC_Finalize();
}
}
}
printf("Data values in exp state correct in myRunInC\n");
// return successfully
if (rc!=NULL) *rc = ESMF_SUCCESS;
}
void myInitInC(ESMC_GridComp gcomp, ESMC_State importState,
ESMC_State exportState, ESMC_Clock *clock, int *rc){
int localrc;
ESMC_Array retrievedArray;
printf("I am in myInitInC()\n");
localrc=ESMC_StateGetArray(exportState, "array1", &retrievedArray);
double *ptr = (double *)ESMC_ArrayGetPtr(retrievedArray, 0, &localrc);
printf("local ptr[0] = %g\n", ptr[0]);
printf("local ptr[1] = %g\n", ptr[1]);
for (int j=0; j<2; j++){
for (int i=0; i<5; i++){
int ij= j*5 +i;
ptr[ij] = j;
}
}
printf("local ptr[0] = %g\n", ptr[0]);
printf("Reset farray values to farray(i,j)=j \n");
printf("Leaving myInitInC()\n");
// return successfully
if (rc!=NULL) *rc = ESMF_SUCCESS;
}
void myRunInC(ESMC_GridComp gcomp, ESMC_State importState,
ESMC_State exportState, ESMC_Clock *clock, int *rc){
ESMC_Array retrievedArray;
double *ptr;
int i, j, ij;
// initialize return code
*rc = ESMF_SUCCESS;
printf("In myRunInC()\n");
// get Array from import State
*rc=ESMC_StateGetArray(importState, "array1", &retrievedArray);
if (*rc!=ESMF_SUCCESS) return; // bail out
// obtain access to Array data
ptr = (double *)ESMC_ArrayGetPtr(retrievedArray, 0, rc);
if (*rc!=ESMF_SUCCESS) return; // bail out
// verify data values
for (j=0; j<2; j++){
for (i=0; i<5; i++){
ij= j*5 +i;
if ( fabs(ptr[ij]-float((j+1)*10+i+1)) > 1.e-8 ){
printf("Array has wrong values at i=%d, j=%d, ij=%d\n", i, j, ij);
*rc = ESMF_FAILURE; // indicate failure in return code
return; // bail out
}
}
}
}
void myInitInC(ESMC_GridComp gcomp, ESMC_State importState,
ESMC_State exportState, ESMC_Clock *clock, int *rc){
// Array variables
ESMC_Array retrievedArray;
double *ptr;
int i, j, ij;
// Mesh variables
ESMC_Mesh mesh;
int pdim=2;
int sdim=3;
int num_elem, num_node, conn_size;
int *nodeId, *nodeOwner;
double *nodeCoord;
int *elemId, *elemType, *elemConn;
// Field variables
ESMC_Field field;
ESMC_ArraySpec arrayspec;
int *gridToFieldMap, *ungriddedLBound, *ungriddedUBound;
ESMC_InterfaceInt i_gridToFieldMap, i_ungriddedLBound, i_ungriddedUBound;
// initialize return code
*rc = ESMF_SUCCESS;
printf("In myInitInC()\n");
// get Array from import State
*rc=ESMC_StateGetArray(importState, "array1", &retrievedArray);
if (*rc!=ESMF_SUCCESS) return; // bail out
// obtain access to Array data
ptr = (double *)ESMC_ArrayGetPtr(retrievedArray, 0, rc);
if (*rc!=ESMF_SUCCESS) return; // bail out
// test accesibility of Array data via print
printf("local ptr[0] = %g\n", ptr[0]);
printf("local ptr[1] = %g\n", ptr[1]);
// modify Array data
for (j=0; j<2; j++){
for (i=0; i<5; i++){
// interpret as 2D array with contiguous, column-major storage
ij= j*5 +i;
ptr[ij] = j;
}
}
// print a modified value
printf("local ptr[0] = %g\n", ptr[0]);
// Create a Mesh from VTK file
mesh = ESMC_MeshCreate(&pdim, &sdim, rc);
if (*rc!=ESMF_SUCCESS) return; // bail out
// Read input files' header data
*rc = ESMC_MeshVTKHeader("data/testmesh", &num_elem, &num_node, &conn_size);
if (*rc!=ESMF_SUCCESS) return; // bail out
// Allocate the arrays to describe Mesh
nodeId = (int *) malloc (num_node * sizeof (int));
nodeCoord = (double *) malloc (3*num_node * sizeof (double));
nodeOwner = (int *) malloc (num_node * sizeof (int));
elemId = (int *) malloc (num_elem * sizeof (int));
elemType = (int *) malloc (num_elem * sizeof (int));
elemConn = (int *) malloc (conn_size * sizeof (int));
// Read input files
*rc = ESMC_MeshVTKBody("data/testmesh", nodeId, nodeCoord, nodeOwner, elemId,
elemType, elemConn);
if (*rc!=ESMF_SUCCESS) return; // bail out
// VTKBody returns zero based elemConn, so make them 1 based
for (int i = 0; i < conn_size; i++){
elemConn[i] = elemConn[i]+1;
}
// Add node information to the mesh
*rc = ESMC_MeshAddNodes(mesh, &num_node, nodeId, nodeCoord, nodeOwner);
if (*rc!=ESMF_SUCCESS) return; // bail out
// Add element information to the mesh
*rc = ESMC_MeshAddElements(mesh, &num_elem, elemId, elemType, elemConn);
if (*rc!=ESMF_SUCCESS) return; // bail out
// garbage collection of temporary variables used to create Mesh object
free(nodeId);
free(nodeCoord);
free(nodeOwner);
free(elemId);
free(elemType);
free(elemConn);
// Create a Field from Mesh
// Setup arrayspec
*rc = ESMC_ArraySpecSet(&arrayspec, 3, ESMC_TYPEKIND_I4);
if (*rc!=ESMF_SUCCESS) return; // bail out
// Setup gridToFieldMap
gridToFieldMap = (int *)malloc(sizeof(int));
gridToFieldMap[0] = 1;
i_gridToFieldMap = ESMC_InterfaceIntCreate(gridToFieldMap, 1, rc);
if (*rc!=ESMF_SUCCESS) return; // bail out
// Setup ungriddedLBound
ungriddedLBound = (int *)malloc(2*sizeof(int));
ungriddedLBound[0] = 1;
ungriddedLBound[1] = 1;
i_ungriddedLBound = ESMC_InterfaceIntCreate(ungriddedLBound, 2, rc);
if (*rc!=ESMF_SUCCESS) return; // bail out
// Setup ungriddedUBound
ungriddedUBound = (int *)malloc(2*sizeof(int));
ungriddedUBound[0] = 2;
ungriddedUBound[1] = 3;
i_ungriddedUBound = ESMC_InterfaceIntCreate(ungriddedUBound, 2, rc);
if (*rc!=ESMF_SUCCESS) return; // bail out
// Finally create Field
field = ESMC_FieldCreate(mesh, arrayspec, i_gridToFieldMap, i_ungriddedLBound,
i_ungriddedUBound, "Field from C", rc);
if (*rc!=ESMF_SUCCESS) return; // bail out
// Add Field to the export State
*rc = ESMC_StateAddField(exportState, field);
if (*rc!=ESMF_SUCCESS) return; // bail out
// garbage collection of temporary variables used to create Field object
*rc = ESMC_InterfaceIntDestroy(&i_gridToFieldMap);
if (*rc!=ESMF_SUCCESS) return; // bail out
free(gridToFieldMap);
*rc = ESMC_InterfaceIntDestroy(&i_ungriddedLBound);
if (*rc!=ESMF_SUCCESS) return; // bail out
free(ungriddedLBound);
*rc = ESMC_InterfaceIntDestroy(&i_ungriddedUBound);
if (*rc!=ESMF_SUCCESS) return; // bail out
free(ungriddedUBound);
}
