algo: remove doubly qualified root namespace

algo/sort.cpp

@@ -15,4 +15,4 @@
 //
 // this particular instantiation isn't necessarily required by any user, it's
 // just convenient.
-template void cruft::cruft::sort::soa (int*, int*, bool (*)(int,int), double*);
+template void cruft::sort::soa (int*, int*, bool (*)(int,int), double*);

algo/sort.hpp

@@ -19,7 +19,7 @@
 #include <vector>
 
 
-namespace cruft::cruft::sort {
+namespace cruft::sort {
     namespace detail {
         template <typename IndexA, typename IndexB, typename RandomIt>
         void

test/algo/sort.cpp

@@ -37,7 +37,7 @@ main (int, char**)
         std::array<int,3> values  { 3, 4, 5 };
         const std::array<int,3> expected = { 4, 5, 3 };
 
-        cruft::cruft::sort::reorder (
+        cruft::sort::reorder (
             std::begin (indices), std::end (indices),
             std::begin (values)
         );
@@ -59,7 +59,7 @@ main (int, char**)
             {  9, 10, 11 },
         };
 
-        cruft::cruft::sort::reorder (
+        cruft::sort::reorder (
             std::begin (indices), std::end (indices),
             std::begin (values[0]),
             std::begin (values[1]),
@@ -84,7 +84,7 @@ main (int, char**)
     };
 
     for (auto &t: TESTS) {
-        cruft::cruft::sort::soa (
+        cruft::sort::soa (
             std::begin (t.values), std::end (t.values),
             [] (int a, int b) { return a < b; }
         );
@@ -102,7 +102,7 @@ main (int, char**)
         const std::array<char,3> expected_c { 'b', 'c', 'a' };
         const std::array<float,3> expected_f { 1.f, 2.f, 0.f };
 
-        cruft::cruft::sort::soa (
+        cruft::sort::soa (
             std::begin (value_i), std::end (value_i),
             [] (const auto &i, const auto &j) { return i < j; },
             std::begin (value_c),