cxa5a04.a

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               Report.Failed("Unexpected exception raised by Function Cot "   &
                             "with specified cycle, when value of parameter " &
                             "X is 0.0");
         end;
      end if;

      -- Check that Constraint_Error is raised by the Cot Function with
      -- specified cycle, when the value of the parameter X is a multiple
      -- of the half cycle.

      if New_Float'Machine_Overflows = True then
         begin
            New_Float_Result := GEF.Cot (180.0, 360.0);
            Report.Failed("Constraint_Error not raised by Function Cot "   &
                          "with specified cycle, when value of parameter " &
                          "X is a multiple of the half cycle (180.0, 360.0)");
            Dont_Optimize_New_Float(New_Float_Result, 7);
         exception
            when Constraint_Error => null;  -- OK, expected exception.
            when others           =>
               Report.Failed("Unexpected exception raised by Function Cot "   &
                             "with specified cycle, when value of parameter " &
                             "X is a multiple of the half cycle" & 
                             " (180.0, 360.0)");
         end;
      end if;

      if Float'Machine_Overflows = True then
         begin
            The_Result := EF.Cot (540.0, 360.0);
            Report.Failed("Constraint_Error not raised by Function Cot "   &
                          "with specified cycle, when value of parameter " &
                          "X is a multiple of the half cycle (540.0, 360.0)");
            Dont_Optimize_Float(The_Result, 8);
         exception
            when Constraint_Error => null;  -- OK, expected exception.
            when others           =>
               Report.Failed("Unexpected exception raised by Function Cot "   &
                             "with specified cycle, when value of parameter " &
                             "X is a multiple of the half cycle (540.0, 360.0)");
         end;
      end if;      
      
--pwb-math      -- Check that no exception occurs on computing the Cot with very
--pwb-math      -- large (positive and negative) input values.
--pwb-math
--pwb-math      begin 
--pwb-math         New_Float_Result := GEF.Cot (New_Float(FXA5A00.Large), 2.0*Pi);
--pwb-math         Dont_Optimize_New_Float(New_Float_Result, 9);
--pwb-math      exception
--pwb-math         when others =>
--pwb-math           Report.Failed("Unexpected exception on GEF.Cot with large " &
--pwb-math                         "positive value");
--pwb-math      end;
--pwb-math
--pwb-math      begin 
--pwb-math         The_Result := EF.Cot (FXA5A00.Minus_Large, Cycle => 2.0*Pi);
--pwb-math         Dont_Optimize_Float(The_Result, 10);
--pwb-math      exception
--pwb-math         when others =>
--pwb-math           Report.Failed("Unexpected exception on EF.Cot with large " &
--pwb-math                         "negative value");
--pwb-math      end;
--pwb-math
--pwb-math
--pwb-math      -- Check prescribed result from Cot function with Cycle parameter.  
--pwb-math
--pwb-math      if not FXA5A00.Result_Within_Range
--pwb-math               (GEF.Cot(New_Float(FXA5A00.Half_Pi), 2.0*Pi), 0.0, 0.001) or
--pwb-math         not FXA5A00.Result_Within_Range
--pwb-math               (EF.Cot(3.0*Pi/2.0, Cycle => 2.0*Pi), 0.0, 0.001)
--pwb-math      then
--pwb-math         Report.Failed("Incorrect result from Cot function with cycle " &
--pwb-math                       "parameter, using a multiple of Pi/2 as the "    &
--pwb-math                       "input parameter");
--pwb-math      end if;


      -- Testing of Coth Function, both instantiated and pre-instantiated
      -- version.

      -- Check that no exception occurs on computing the Coth with very
      -- large (positive and negative) input values.

      begin 
         The_Result := EF.Coth (FXA5A00.Large);
         if The_Result > 1.0 then
            Report.Failed("Result of Coth function with large positive " &
                          "value greater than 1.0");
         end if;
      exception
         when others =>
           Report.Failed("Unexpected exception on EF.Coth with large " &
                         "positive value");
      end;

      begin 
         The_Result := EF.Coth (FXA5A00.Minus_Large);
         if The_Result < -1.0 then
            Report.Failed("Result of Coth function with large negative " &
                          "value less than -1.0");
         end if;
      exception
         when others =>
           Report.Failed("Unexpected exception on EF.Coth with large " &
                         "negative value");
      end;


      -- Check that Constraint_Error is raised by the Coth function, when
      -- the value of the parameter X is 0.0.

      if New_Float'Machine_Overflows = True then
         begin
            New_Float_Result := GEF.Coth (X => 0.0);
            Report.Failed("Constraint_Error not raised by the Coth function " &
                          "when the value of parameter X is 0.0");
            Dont_Optimize_New_Float(New_Float_Result, 11);
         exception
            when Constraint_Error => null;  -- OK, expected exception.
            when others           =>
               Report.Failed("Unexpected exception raised by the Coth " &
                             "function when the value of parameter X is 0.0");
         end;
      end if;


      -- Testing of Arccoth Function, both instantiated and pre-instantiated
      -- version.

      -- Check that Constraint_Error is raised by the Arccoth function
      -- when the absolute value of the parameter X is 1.0.

      if New_Float'Machine_Overflows = True then
         begin
            New_Float_Result := GEF.Arccoth (X => 1.0);
            Report.Failed("Constraint_Error not raised by the Arccoth " &
                          "function when the value of parameter X is 1.0");
            Dont_Optimize_New_Float(New_Float_Result, 12);
         exception
            when Constraint_Error => null;  -- OK, expected exception.
            when others           =>
               Report.Failed("Unexpected exception raised by the Arccoth " &
                             "function when the value of parameter X is 1.0");
         end;
      end if;
      
      if Float'Machine_Overflows = True then
         begin
            The_Result := EF.Arccoth (-1.0);
            Report.Failed("Constraint_Error not raised by the Arccoth " &
                          "function when the value of parameter X is -1.0");
            Dont_Optimize_Float(The_Result, 13);
         exception
            when Constraint_Error => null;  -- OK, expected exception.
            when others           =>
               Report.Failed("Unexpected exception raised by the Arccoth " &
                             "function when the value of parameter X is -1.0");
         end;
      end if;

      -- Check that Argument_Error is raised by the Arccoth function when
      -- the absolute value of the parameter X is less than 1.0.

      begin
         New_Float_Result := GEF.Arccoth (X => New_Float(One_Minus_Delta));
         Report.Failed("Argument_Error not raised by the Arccoth " &
                       "function with parameter value less than 1.0");
         Dont_Optimize_New_Float(New_Float_Result, 14);
      exception
         when Argument_Error => null;  -- OK, expected exception.
         when others         =>
            Report.Failed("Unexpected exception raised by the Arccoth " &
                          "function with parameter value less than 1.0");
      end;

      begin
         The_Result := EF.Arccoth (X => FXA5A00.Minus_One_Plus_Delta);
         Report.Failed("Argument_Error not raised by the Arccoth function " &
                       "with parameter value between 0.0 and -1.0");
         Dont_Optimize_Float(The_Result, 15);
      exception
         when Argument_Error => null;  -- OK, expected exception.
         when others         =>
            Report.Failed("Unexpected exception raised by the Arccoth " &
                          "function with parameter value between 0.0 "  &
                          "and -1.0");
      end;


      -- Check the results of the Arccoth function with various input 
      -- parameters.

      if not (Result_Within_Range(GEF.Arccoth(1.01), 2.652, 0.01)  and
              Result_Within_Range( EF.Arccoth(1.25), 1.099, 0.01)  and
              Result_Within_Range(GEF.Arccoth(1.56), 0.760, 0.001) and
              Result_Within_Range( EF.Arccoth(1.97), 0.560, 0.001) and
              Result_Within_Range(GEF.Arccoth(2.40), 0.444, 0.001) and
              Result_Within_Range( EF.Arccoth(4.30), 0.237, 0.001) and
              Result_Within_Range(GEF.Arccoth(5.80), 0.174, 0.001) and
              Result_Within_Range( EF.Arccoth(7.00), 0.144, 0.001))
      then
         Report.Failed("Incorrect result from Arccoth function with various " &
                       "input parameters");
      end if;


   exception
      when The_Error : others => 
         Report.Failed ("The following exception was raised in the " &
                        "Test_Block: " & Exception_Name(The_Error));
   end Test_Block;

   Report.Result;

end CXA5A04;