1*c4762a1bSJed Brown 2*c4762a1bSJed Brown static char help[] = "Demonstrates PetscDataTypeFromString().\n\n"; 3*c4762a1bSJed Brown 4*c4762a1bSJed Brown /*T 5*c4762a1bSJed Brown Concepts: introduction to PETSc; 6*c4762a1bSJed Brown Concepts: printing^in parallel 7*c4762a1bSJed Brown Processors: n 8*c4762a1bSJed Brown T*/ 9*c4762a1bSJed Brown 10*c4762a1bSJed Brown #include <petscsys.h> 11*c4762a1bSJed Brown int main(int argc,char **argv) 12*c4762a1bSJed Brown { 13*c4762a1bSJed Brown PetscErrorCode ierr; 14*c4762a1bSJed Brown PetscDataType dtype; 15*c4762a1bSJed Brown PetscBool found; 16*c4762a1bSJed Brown 17*c4762a1bSJed Brown /* 18*c4762a1bSJed Brown Every PETSc routine should begin with the PetscInitialize() routine. 19*c4762a1bSJed Brown argc, argv - These command line arguments are taken to extract the options 20*c4762a1bSJed Brown supplied to PETSc and options supplied to MPI. 21*c4762a1bSJed Brown help - When PETSc executable is invoked with the option -help, 22*c4762a1bSJed Brown it prints the various options that can be applied at 23*c4762a1bSJed Brown runtime. The user can use the "help" variable place 24*c4762a1bSJed Brown additional help messages in this printout. 25*c4762a1bSJed Brown */ 26*c4762a1bSJed Brown ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr; 27*c4762a1bSJed Brown 28*c4762a1bSJed Brown ierr = PetscDataTypeFromString("Scalar",&dtype,&found);CHKERRQ(ierr); 29*c4762a1bSJed Brown if (!found) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_ARG_WRONG,"Did not find scalar datatype"); 30*c4762a1bSJed Brown if (dtype != PETSC_SCALAR) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_ARG_WRONG,"Found wrong datatype for scalar"); 31*c4762a1bSJed Brown 32*c4762a1bSJed Brown ierr = PetscDataTypeFromString("INT",&dtype,&found);CHKERRQ(ierr); 33*c4762a1bSJed Brown if (!found) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_ARG_WRONG,"Did not find int datatype"); 34*c4762a1bSJed Brown if (dtype != PETSC_INT) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_ARG_WRONG,"Found wrong datatype for int"); 35*c4762a1bSJed Brown 36*c4762a1bSJed Brown ierr = PetscDataTypeFromString("real",&dtype,&found);CHKERRQ(ierr); 37*c4762a1bSJed Brown if (!found) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_ARG_WRONG,"Did not find real datatype"); 38*c4762a1bSJed Brown if (dtype != PETSC_REAL) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_ARG_WRONG,"Found wrong datatype for real"); 39*c4762a1bSJed Brown 40*c4762a1bSJed Brown ierr = PetscDataTypeFromString("abogusdatatype",&dtype,&found);CHKERRQ(ierr); 41*c4762a1bSJed Brown if (found) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_ARG_WRONG,"Found a bogus datatype"); 42*c4762a1bSJed Brown 43*c4762a1bSJed Brown ierr = PetscFinalize(); 44*c4762a1bSJed Brown return ierr; 45*c4762a1bSJed Brown } 46*c4762a1bSJed Brown 47*c4762a1bSJed Brown 48*c4762a1bSJed Brown /*TEST 49*c4762a1bSJed Brown 50*c4762a1bSJed Brown test: 51*c4762a1bSJed Brown 52*c4762a1bSJed Brown TEST*/ 53