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-rw-r--r--gnu/egcs/libstdc++/valarray.cc50
1 files changed, 50 insertions, 0 deletions
diff --git a/gnu/egcs/libstdc++/valarray.cc b/gnu/egcs/libstdc++/valarray.cc
new file mode 100644
index 00000000000..5e7fe0cf05f
--- /dev/null
+++ b/gnu/egcs/libstdc++/valarray.cc
@@ -0,0 +1,50 @@
+#include <std/std_valarray.h>
+
+// Some Explicit Instanciations.
+template class multiplies<size_t>;
+template size_t accumulate(size_t*, size_t*, size_t, multiplies<size_t>);
+
+template void
+ __valarray_fill(size_t* __restrict__, size_t, const size_t&);
+
+template void
+ __valarray_copy(const size_t* __restrict__, size_t, size_t* __restrict__);
+
+template valarray<size_t>::valarray(size_t);
+template valarray<size_t>::~valarray();
+template valarray<size_t>::valarray(const valarray<size_t>&);
+template size_t valarray<size_t>::size() const;
+template size_t& valarray<size_t>::operator[](size_t);
+template size_t valarray<size_t>::product() const;
+
+
+void __gslice_to_index(size_t __o, const valarray<size_t>& __l,
+ const valarray<size_t>& __s,
+ valarray<size_t>& __i)
+{
+ const size_t __n = __l.size();
+ size_t* const __t = static_cast<size_t*>(alloca(__n*sizeof(size_t)));
+ __valarray_fill(__t, __n, size_t(0));
+ const size_t __z = __i.size();
+ __valarray_fill(&__i[0], __z, __o);
+ for (size_t __j=0; __j<__z; ++__j) {
+ for (size_t __k=0; __k<__n; ++__k)
+ __i[__j] += __s[__k]*__t[__k];
+ ++__t[__n-1];
+ for (size_t __k=__n-1; __k; --__k) {
+ if (__t[__k] >= __l[__k]) {
+ __t[__k] = 0;
+ ++__t[__k-1];
+ }
+ }
+ }
+}
+
+_Indexer::_Indexer(size_t __o, const valarray<size_t>& __l,
+ const valarray<size_t>& __s)
+ : _M_count(1), _M_start(__o), _M_size(__l), _M_stride(__s),
+ _M_index(__l.size() ? __l.product() : 0)
+{ __gslice_to_index(__o, __l, __s, _M_index); }
+
+
+