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5.5 acc_get_device_num – Get device number to be used.

Description
This function returns which device number associated with the specified device type devicetype, will be used when executing a parallel or kernels region.
C/C++:

Prototype: int acc_get_device_num(acc_device_t devicetype);

Fortran:

Interface: function acc_get_device_num(devicetype)
integer(kind=acc_device_kind) devicetype
integer acc_get_device_num

Reference:
OpenACC specification v2.0, section 3.2.5.