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Return the floor of num. (This is the identity function in the case of ncptl_func_floor().)
ncptl_func_floor()
Return the ceiling of num. (This is the identity function in the case of ncptl_func_ceiling().)
ncptl_func_ceiling()
Return num rounded to the nearest integer. (This is the identity function in the case of ncptl_func_round().)
ncptl_func_round()