[numeric.iota] git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@104719 91177308-0d34-0410-b5e6-96231b3b80d8 
diff --git a/include/numeric b/include/numeric index 14a6615..8c0bc4d 100644 --- a/include/numeric +++ b/include/numeric 
@@ -50,6 +50,9 @@  OutputIterator  adjacent_difference(InputIterator first, InputIterator last, OutputIterator result, BinaryOperation binary_op);   +template <class ForwardIterator, class T> + void iota(ForwardIterator first, ForwardIterator last, T value); +  } // std    */ @@ -178,6 +181,15 @@  return __result;  }   +template <class _ForwardIterator, class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +void +iota(_ForwardIterator __first, _ForwardIterator __last, _Tp __value) +{ + for (; __first != __last; ++__first, ++__value) + *__first = __value; +} +  _LIBCPP_END_NAMESPACE_STD    #endif // _LIBCPP_NUMERIC 
diff --git a/test/numerics/numeric.ops/numeric.iota/iota.pass.cpp b/test/numerics/numeric.ops/numeric.iota/iota.pass.cpp new file mode 100644 index 0000000..f6d1291 --- /dev/null +++ b/test/numerics/numeric.ops/numeric.iota/iota.pass.cpp 
@@ -0,0 +1,38 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <numeric> + +// template <class ForwardIterator, class T> +// void iota(ForwardIterator first, ForwardIterator last, T value); + +#include <numeric> +#include <cassert> + +#include "../iterators.h" + +template <class InIter> +void +test() +{ + int ia[] = {1, 2, 3, 4, 5}; + int ir[] = {5, 6, 7, 8, 9}; + const unsigned s = sizeof(ia) / sizeof(ia[0]); + std::iota(InIter(ia), InIter(ia+s), 5); + for (unsigned i = 0; i < s; ++i) + assert(ia[i] == ir[i]); +} + +int main() +{ + test<forward_iterator<int*> >(); + test<bidirectional_iterator<int*> >(); + test<random_access_iterator<int*> >(); + test<int*>(); +}