cxa5a08.a

来自「用于进行gcc测试」· A 代码 · 共 475 行 · 第 1/2 页

      -- Check the results of the Arccot function with specified cycle
      -- parameter.

      -- Check that the Arccot function with specified Cycle parameter 
      -- raises Argument_Error when the value of the Cycle parameter is zero
      -- or negative.

      begin
         Float_Result := EF.Arccot(X => Pi, Cycle => 0.0);  -- Default Y value
         Report.Failed("Argument_Error not raised by the Arccot function " &
                       "with default Y parameter value, when the Cycle "   &
                       "parameter is 0.0");
         Dont_Optimize_Float(Float_Result, 10);
      exception
         when Argument_Error => null;  -- OK, expected exception.
         when others         =>
            Report.Failed("Incorrect exception raised by the Arccot "      &
                          "function with default Y parameter value, when " &
                          "provided a 0.0 cycle parameter value");
      end;

      begin
         New_Float_Result := GEF.Arccot(X => Pi, Y => 1.0, Cycle => 0.0);
         Report.Failed("Argument_Error not raised by the Arccot function " &
                       "when the Cycle parameter is 0.0");
         Dont_Optimize_New_Float(New_Float_Result, 11);
      exception
         when Argument_Error => null;  -- OK, expected exception.
         when others         =>
            Report.Failed("Incorrect exception raised by the Arccot "     &
                          "function when provided a 0.0 cycle parameter " &
                          "value");
      end;

      begin
         Float_Result := EF.Arccot(X => Pi, Cycle => -360.0); 
         Report.Failed("Argument_Error not raised by the Arccot function " &
                       "with a default Y parameter value, when the Cycle " &
                       "parameter is -360.0");
         Dont_Optimize_Float(Float_Result, 12);
      exception
         when Argument_Error => null;  -- OK, expected exception.
         when others         =>
            Report.Failed("Incorrect exception raised by the Arccot "        &
                          "function with a default Y parameter value, when " & 
                          "provided a -360.0 cycle parameter value");
      end;

      begin
         New_Float_Result := GEF.Arccot(X => Pi, Y => 1.0, Cycle => -Pi);
         Report.Failed("Argument_Error not raised by the Arccot function " &
                       "when the Cycle parameter is -Pi");
         Dont_Optimize_New_Float(New_Float_Result, 13);
      exception
         when Argument_Error => null;  -- OK, expected exception.
         when others         =>
            Report.Failed("Incorrect exception raised by the Arccot "     &
                          "function when provided a -Pi cycle parameter " &
                          "value");
      end;


      -- Check that no exception is raised by the Arccot function with 
      -- specified Cycle parameter, when provided large and small positive
      -- or negative parameter values for both X and Y input parameters. 

      begin
         Float_Result := EF.Arccot(X     => -FXA5A00.Large, 
                                   Y     => -FXA5A00.Large,
--pwb-math  Next line: changed 2.0*Pi to 360.0
                                   Cycle => 360.0);
         Dont_Optimize_Float(Float_Result, 14);
      exception
         when others =>  
            Report.Failed("Exception raised when the Arccot function with " &
                          "specified Cycle parameter, when provided large " & 
                          "negative X and Y parameter values");
      end;


      begin
         New_Float_Result := GEF.Arccot(New_Float(FXA5A00.Large), 
                                        Y     => New_Float(-FXA5A00.Small),
--pwb-math  Next line: changed 2.0*Pi to 360.0
                                        Cycle => 360.0);
         Dont_Optimize_New_Float(New_Float_Result, 15);
      exception
         when others => 
            Report.Failed("Exception raised when the Arccot function with "  &
                          "specified Cycle parameter, when provided large "  & 
                          "positive X parameter value and a small negative " &
                          "Y parameter value");
      end;


      begin
         Float_Result := EF.Arccot(X     => -FXA5A00.Small, 
                                   Y     => -FXA5A00.Large,
--pwb-math  Next line: changed 2.0*Pi to 360.0
                                   Cycle => 360.0);
         Dont_Optimize_Float(Float_Result, 16);
      exception
         when others => 
            Report.Failed("Exception raised when the Arccot function with "  &
                          "specified Cycle parameter, when provided small "  & 
                          "negative X parameter value and a large negative " &
                          "Y parameter value");
      end;

      begin
         New_Float_Result := GEF.Arccot(New_Float(FXA5A00.Small), 
                                        New_Float(FXA5A00.Large), 
--pwb-math  Next line: changed 2.0*Pi to 360.0
                                        360.0);
         Dont_Optimize_New_Float(New_Float_Result, 17);
      exception
         when others => 
            Report.Failed("Exception raised when the Arccot function with " &
                          "specified Cycle parameter, when provided a "     & 
                          "small positive X parameter value and a large "   &
                          "positive Y parameter value");
      end;


      -- Check that the Arccot function with specified Cycle parameter 
      -- provides correct results when provided a variety of X parameter
      -- input values.

      if not FXA5A00.Result_Within_Range(GEF.Arccot( 0.0, Cycle => 360.0),
                                         90.0, 
                                         0.001) or
         not FXA5A00.Result_Within_Range(EF.Arccot( 0.0, Cycle => 100.0),
                                         25.0,
                                         0.001) or
         not FXA5A00.Result_Within_Range(GEF.Arccot( 1.0, Cycle => 360.0),
                                         45.0,
                                         0.001) or
         not FXA5A00.Result_Within_Range(EF.Arccot( 1.0, Cycle => 100.0),
                                         12.5,
                                         0.001) or
         not FXA5A00.Result_Within_Range(GEF.Arccot(-1.0, Cycle => 360.0),
                                         135.0,
                                         0.001) or
         not FXA5A00.Result_Within_Range(EF.Arccot(-1.0, Cycle => 100.0),
                                         37.5,
                                         0.001)
      then
         Report.Failed("Incorrect results from the Arccot function with "   &
                       "specified Cycle parameter when provided a variety " &
                       "of X parameter values");
      end if;


      if not FXA5A00.Result_Within_Range(EF.Arccot(0.2425355, 0.9701420),
                                         EF.Arccot(0.25),
                                         0.01) or
         not FXA5A00.Result_Within_Range(EF.Arccot(0.3162277, 0.9486831),
                                         Ef.Arccot(0.33),
                                         0.01)
      then
         Report.Failed("Incorrect results from the Arccot function with " &
                       "comparison to other Arccot function results");
      end if;


      if not FXA5A00.Result_Within_Range(EF.Cot(EF.Arccot(0.4472135,
                                                          0.8944270)),
                                         0.5,
                                         0.01) or
         not FXA5A00.Result_Within_Range(EF.Cot(EF.Arccot(0.9987380, 
                                                          0.0499369)),
                                         20.0,
                                         0.1)
      then
         Report.Failed("Incorrect results from the Arccot function when " &
                       "used as argument to Cot function");
      end if;


      -- Check that inverse function results are correct.
      -- Default Cycle test.

      Angle := 0.001;
      while Angle < Pi and not Incorrect_Inverse loop
         if not Result_Within_Range(EF.Arccot(EF.Cot(Angle)), Angle, 0.001)
         then
            Incorrect_Inverse := True;
         end if;
         Angle := Angle + 0.001;
      end loop;

      if Incorrect_Inverse then
         Report.Failed("Incorrect results returned from the Inverse "    &
                       "comparison of Cot and Arccot using the default " &
                       "cycle value");
         Incorrect_Inverse := False;
      end if;

      -- Non-Default Cycle test.

      New_Float_Angle := 0.01;
      while New_Float_Angle < 180.0 and not Incorrect_Inverse loop
         if not Result_Within_Range(EF.Arccot(EF.Cot(Float(New_Float_Angle), 
                                                     Cycle => 360.0), 
                                              Cycle => 360.0),
                                    Float(New_Float_Angle),
                                    0.01)  or
            not Result_Within_Range(GEF.Arccot(
                                       New_Float(GEF.Cot(New_Float_Angle, 
                                                         Cycle => 360.0)), 
                                       Cycle => 360.0),
                                    Float(New_Float_Angle),
                                    0.01)  
         then
            Incorrect_Inverse := True;
         end if;
         New_Float_Angle := New_Float_Angle + 0.01;
      end loop;

      if Incorrect_Inverse then
         Report.Failed("Incorrect results returned from the Inverse "    &
                       "comparison of Cot and Arccot using non-default " &
                       "cycle value");
      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 CXA5A08;