NAME¶
MPI_T_cvar_get_num - Query the number of control variables
C Syntax¶
#include <mpi.h>
int MPI_T_cvar_get_num(int *num_cvar)
OUTPUT PARAMETERS¶
- num_cvar
- Current number of control variables.
DESCRIPTION¶
MPI_T_cvar_get_num can be used to query the current number of control variables.
The number of control variables may increase throughout the execution of the
process but will never decrease.
ERRORS¶
MPI_T_cvar_get_num() will fail if:
- [MPI_T_ERR_NOT_INITIALIZED]
- The MPI Tools interface not initialized