.. _cilk-plus-builtins: Cilk Plus C/C++ Language Extension Built-in Functions ***************************************************** GCC provides support for the following built-in reduction functions if Cilk Plus is enabled. Cilk Plus can be enabled using the :option:`-fcilkplus` flag. * ``__sec_implicit_index`` * ``__sec_reduce`` * ``__sec_reduce_add`` * ``__sec_reduce_all_nonzero`` * ``__sec_reduce_all_zero`` * ``__sec_reduce_any_nonzero`` * ``__sec_reduce_any_zero`` * ``__sec_reduce_max`` * ``__sec_reduce_min`` * ``__sec_reduce_max_ind`` * ``__sec_reduce_min_ind`` * ``__sec_reduce_mul`` * ``__sec_reduce_mutating`` Further details and examples about these built-in functions are described in the Cilk Plus language manual which can be found at http://www.cilkplus.org.