Fix Wsign-conversion warnings

Author: igaztanaga

experimental/bench_hub.cpp

@@ -403,29 +403,29 @@ void write_table(const table& t, const char* filename)
 
    out << data_horizontal_line << "\n";
 
-   out << "  " << std::setw(first_column_width) << " ";
-   out << std::setw(table_width - first_column_width - 3)
+   out << "  " << std::setw(static_cast<int>(first_column_width)) << " ";
+   out << std::setw(static_cast<int>(table_width - first_column_width - 3))
        << std::string("| sizeof(element): ") + std::to_string(ELEMENT_SIZE) << "|\n";
 
    out << data_horizontal_line << "\n";
 
-   out << "  " << std::setw(first_column_width) << " ";
+   out << "  " << std::setw(static_cast<int>(first_column_width)) << " ";
    for(const benchmark_result& res: t) {
-      out << "| " << std::setw(data_column_width) << res.title;
+      out << "| " << std::setw(static_cast<int>(data_column_width)) << res.title;
    }
    out << "|\n";
 
    out << data_horizontal_line << "\n";
 
-   out << "  " << std::setw(first_column_width) << " " ;
+   out << "  " << std::setw(static_cast<int>(first_column_width)) << " " ;
    for(std::size_t i = 0; i < num_data_columns; ++i) {
-      out << "| " << std::setw(data_column_width) << "container size";
+      out << "| " << std::setw(static_cast<int>(data_column_width)) << "container size";
    }
    out << "|\n";
 
    out << table_horizontal_line << "\n";
 
-   out << "| " << std::setw(first_column_width) << "erase rate";
+   out << "| " << std::setw(static_cast<int>(first_column_width)) << "erase rate";
    for(std::size_t i = 0; i < num_data_columns; ++i) {
       out << "| ";
       for(auto j = min_size_exp; j <= max_size_exp; ++j) {
@@ -440,7 +440,7 @@ void write_table(const table& t, const char* filename)
    for(double erasure_rate = min_erasure_rate;
        erasure_rate <= max_erasure_rate;
        erasure_rate += erase_rate_inc, ++row) {
-      out << "| " << std::setw(first_column_width) << erasure_rate;
+      out << "| " << std::setw(static_cast<int>(first_column_width)) << erasure_rate;
       for(const benchmark_result& res: t) {
          out << "| ";
          for(const auto& x: res.data[row]) {

include/boost/container/experimental/hub.hpp

@@ -561,32 +561,32 @@ struct sort_iterator
 
   sort_iterator& operator+=(difference_type n) noexcept
   {
-    index += n;
+    index += static_cast<std::size_t>(n);
     return *this;
   }
 
   friend sort_iterator
   operator+(const sort_iterator& x, difference_type n) noexcept
   {
-    return {x.pp, x.index + n};
+    return {x.pp, x.index + static_cast<std::size_t>(n)};
   }
 
   friend sort_iterator 
   operator+(difference_type n, const sort_iterator& x) noexcept
   {
-    return {x.pp, n + x.index};
+    return {x.pp, static_cast<std::size_t>(n) + x.index};
   }
 
   sort_iterator& operator-=(difference_type n) noexcept
   {
-    index -= n;
+    index -= static_cast<std::size_t>(n);
     return *this;
   }
 
   friend sort_iterator 
   operator-(const sort_iterator& x, difference_type n) noexcept
   {
-    return {x.pp, x.index - n};
+    return {x.pp, x.index - static_cast<std::size_t>(n)};
   }
 
   reference operator[](difference_type n) const noexcept
@@ -1653,7 +1653,7 @@ class hub: empty_value<
   void compact_sort(Compare comp)
   {
     /* compact elements and build an array of pointers to data chunks of N */
-    using sort_iterator = hub_detail::sort_iterator<T, N>;
+    using sort_iterator = hub_detail::sort_iterator<T, static_cast<std::size_t>(N)>;
 
     if(size_ > 1) {
       std::size_t n = (std::size_t)((size_ + N - 1) / N);