diff options
Diffstat (limited to 'contrib/libc++/src/valarray.cpp')
-rw-r--r-- | contrib/libc++/src/valarray.cpp | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/contrib/libc++/src/valarray.cpp b/contrib/libc++/src/valarray.cpp new file mode 100644 index 0000000..e4c9ed0 --- /dev/null +++ b/contrib/libc++/src/valarray.cpp @@ -0,0 +1,56 @@ +//===------------------------ valarray.cpp --------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__; + +#include "valarray" + +_LIBCPP_BEGIN_NAMESPACE_STD + +template valarray<size_t>::valarray(size_t); +template valarray<size_t>::~valarray(); +template void valarray<size_t>::resize(size_t, size_t); + +void +gslice::__init(size_t __start) +{ + valarray<size_t> __indices(__size_.size()); + size_t __k = __size_.size() != 0; + for (size_t __i = 0; __i < __size_.size(); ++__i) + __k *= __size_[__i]; + __1d_.resize(__k); + if (__1d_.size()) + { + __k = 0; + __1d_[__k] = __start; + while (true) + { + size_t __i = __indices.size() - 1; + while (true) + { + if (++__indices[__i] < __size_[__i]) + { + ++__k; + __1d_[__k] = __1d_[__k-1] + __stride_[__i]; + for (size_t __j = __i + 1; __j != __indices.size(); ++__j) + __1d_[__k] -= __stride_[__j] * (__size_[__j] - 1); + break; + } + else + { + if (__i == 0) + return; + __indices[__i--] = 0; + } + } + } + } +} + +_LIBCPP_END_NAMESPACE_STD |