1#include <std/std_valarray.h>
2
3// Some Explicit Instanciations.
4template class multiplies<size_t>;
5template size_t accumulate(size_t*, size_t*, size_t, multiplies<size_t>);
6
7template void
8   __valarray_fill(size_t* __restrict__, size_t, const size_t&);
9
10template void
11   __valarray_copy(const size_t* __restrict__, size_t, size_t* __restrict__);
12
13template valarray<size_t>::valarray(size_t);
14template valarray<size_t>::~valarray();
15template valarray<size_t>::valarray(const valarray<size_t>&);
16template size_t valarray<size_t>::size() const;
17template size_t& valarray<size_t>::operator[](size_t);
18template size_t valarray<size_t>::product() const;
19
20
21void __gslice_to_index(size_t __o, const valarray<size_t>& __l,
22                       const valarray<size_t>& __s,
23                       valarray<size_t>& __i)
24{
25    const size_t __n = __l.size();
26    size_t* const __t = static_cast<size_t*>(alloca(__n*sizeof(size_t)));
27    __valarray_fill(__t, __n, size_t(0));
28    const size_t __z = __i.size();
29    __valarray_fill(&__i[0], __z, __o);
30    for (size_t __j=0; __j<__z; ++__j) {
31        for (size_t __k=0; __k<__n; ++__k)
32            __i[__j] += __s[__k]*__t[__k];
33        ++__t[__n-1];
34        for (size_t __k=__n-1; __k; --__k) {
35            if (__t[__k] >= __l[__k]) {
36                __t[__k] = 0;
37                ++__t[__k-1];
38            }
39        }
40    }
41}
42
43_Indexer::_Indexer(size_t __o, const valarray<size_t>& __l,
44                   const valarray<size_t>& __s)
45        : _M_count(1), _M_start(__o), _M_size(__l), _M_stride(__s),
46          _M_index(__l.size() ? __l.product() : 0)
47{ __gslice_to_index(__o, __l, __s, _M_index); }
48
49
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51