NAME

VTR_open_file - Open .vtr suffixed VTR files.

SYNOPSIS

call VTR_open_file(PREFIX, [PROC_RANK], [NUM_PROCS], [RESTART], FD)

PARAMETERS

<IN> PREFIX : Input string defining a name of project. 

<IN> PROC_RANK  : Optional input integer. If present, it defines the rank of the calling process (default 0).

<IN> NUM_PROCS  : Optional input integer. If present, it defines the total number of processes (default 1).

<IN> RESTART  : Optional input integer. If present, it defines the starting index of the VTR files (default 0).

<OUT> FD  : Output derived datatype of type VTR_file_handle.

NOTES

  If used in a multi-process application, the call is local to each process (not collective).
  In a single threaded application, the calling thread has no need to mention PROC_RANK and NUM_PROC parameters.

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