Ticket #2390: float_comparison_unused.patch

boost/test/floating_point_comparison.hpp

@@ -200 +200 @@
     // Public typedefs
     typedef bool result_type;
 
+    check_is_close_t() { }
+
     template<typename FPT, typename ToleranceBaseType>
     bool
     operator()( FPT left, FPT right, percent_tolerance_t<ToleranceBaseType> tolerance, 
-                floating_point_comparison_type fpc_type = FPC_STRONG )
+                floating_point_comparison_type fpc_type = FPC_STRONG ) const
     {
         close_at_tolerance<FPT> pred( tolerance, fpc_type );
 
@@ -212 +214 @@
     template<typename FPT, typename ToleranceBaseType>
     bool
     operator()( FPT left, FPT right, fraction_tolerance_t<ToleranceBaseType> tolerance, 
-                floating_point_comparison_type fpc_type = FPC_STRONG )
+                floating_point_comparison_type fpc_type = FPC_STRONG ) const
     {
         close_at_tolerance<FPT> pred( tolerance, fpc_type );
 
@@ -221 +223 @@
 };
 
 namespace {
-check_is_close_t check_is_close;
+check_is_close_t const check_is_close;
 }
 
 //____________________________________________________________________________//
@@ -234 +236 @@
     // Public typedefs
     typedef bool result_type;
 
+    check_is_small_t() { }
+
     template<typename FPT>
     bool
-    operator()( FPT fpv, FPT tolerance )
+    operator()( FPT fpv, FPT tolerance ) const
     {
         return tt_detail::fpt_abs( fpv ) < tt_detail::fpt_abs( tolerance );
     }
 };
 
 namespace {
-check_is_small_t check_is_small;
+check_is_small_t const check_is_small;
 }
 
 //____________________________________________________________________________//