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diff --git a/gcc/testsuite/ada/acats/tests/cxa/cxa5a06.a b/gcc/testsuite/ada/acats/tests/cxa/cxa5a06.a new file mode 100644 index 000000000..191a96d75 --- /dev/null +++ b/gcc/testsuite/ada/acats/tests/cxa/cxa5a06.a @@ -0,0 +1,334 @@ +-- CXA5A06.A +-- +-- Grant of Unlimited Rights +-- +-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687, +-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained +-- unlimited rights in the software and documentation contained herein. +-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making +-- this public release, the Government intends to confer upon all +-- recipients unlimited rights equal to those held by the Government. +-- These rights include rights to use, duplicate, release or disclose the +-- released technical data and computer software in whole or in part, in +-- any manner and for any purpose whatsoever, and to have or permit others +-- to do so. +-- +-- DISCLAIMER +-- +-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR +-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED +-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE +-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE +-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A +-- PARTICULAR PURPOSE OF SAID MATERIAL. +--* +-- +-- OBJECTIVE: +-- Check that the functions Arccos and Arccosh provide correct +-- results. +-- +-- TEST DESCRIPTION: +-- This test examines both the version of Arccos and Arccosh +-- the instantiation of the Ada.Numerics.Generic_Elementary_Functions +-- with a type derived from type Float, as well as the preinstantiated +-- version of this package for type Float. +-- Prescribed results, including instances prescribed to raise +-- exceptions, are examined in the test cases. In addition, +-- certain evaluations are performed where the actual function result +-- is compared with the expected result (within an epsilon range of +-- accuracy). +-- +-- TEST FILES: +-- The following files comprise this test: +-- +-- FXA5A00.A (foundation code) +-- CXA5A06.A +-- +-- +-- CHANGE HISTORY: +-- 27 Mar 95 SAIC Initial prerelease version. +-- 13 Jun 95 SAIC Incorporated use of Dont_Optimize procedure, and +-- use of Result_Within_Range function overloaded for +-- FXA5A00.New_Float_Type. +-- 28 Feb 97 PWB.CTA Removed checks with explicit Cycle => 2.0*Pi +-- +-- CHANGE NOTE: +-- According to Ken Dritz, author of the Numerics Annex of the RM, +-- one should never specify the cycle 2.0*Pi for the trigonometric +-- functions. In particular, if the machine number for the first +-- argument is not an exact multiple of the machine number for the +-- explicit cycle, then the specified exact results cannot be +-- reasonably expected. The affected checks in this test have been +-- marked as comments, with the additional notation "pwb-math". +-- Phil Brashear +--! + +with Ada.Numerics.Elementary_Functions; +with Ada.Numerics.Generic_Elementary_Functions; +with FXA5A00; +with Report; + +procedure CXA5A06 is +begin + + Report.Test ("CXA5A06", "Check that the functions Arccos and Arccosh " & + "provide correct results"); + + Test_Block: + declare + + use Ada.Numerics; + use FXA5A00; + + package GEF is new Ada.Numerics.Generic_Elementary_Functions(New_Float); + package EF renames Ada.Numerics.Elementary_Functions; + + The_Result : Float; + New_Float_Result : New_Float; + + procedure Dont_Optimize_Float is new Dont_Optimize(Float); + procedure Dont_Optimize_New_Float is new Dont_Optimize(New_Float); + + begin + + -- Testing of Arccos Function, both instantiated and pre-instantiated + -- version. + + -- Check that Argument_Error is raised by the Arccos function when the + -- absolute value of the input parameter is greater than 1.0. + + begin + New_Float_Result := GEF.Arccos(New_Float(FXA5A00.One_Plus_Delta)); + Report.Failed("Argument_Error not raised by the Arccos function " & + "when the input parameter is greater than 1.0"); + Dont_Optimize_New_Float(New_Float_Result, 1); + exception + when Argument_Error => null; -- OK, expected exception. + when others => + Report.Failed("Unexpected exception raised by the Arccos " & + "function when the input parameter is greater " & + "than 1.0"); + end; + + begin + The_Result := EF.Arccos(-FXA5A00.Large); + Report.Failed("Argument_Error not raised by the Arccos function " & + "when the input parameter is a large negative value"); + Dont_Optimize_Float(The_Result, 2); + exception + when Argument_Error => null; -- OK, expected exception. + when others => + Report.Failed("Unexpected exception raised by the Arccos " & + "function when the input parameter is a " & + "large negative value"); + end; + + + -- Check the prescribed results of the Arccos function. + + if GEF.Arccos(X => 1.0) /= 0.0 or + EF.Arccos(1.0) /= 0.0 + then + Report.Failed("Incorrect result returned by the Arccos function " & + "when provided a parameter value of 0.0"); + end if; + + + -- Check the results of the Arccos function with various input + -- parameters. + + if not Result_Within_Range(GEF.Arccos(0.77), 0.692, 0.001) or + not Result_Within_Range( EF.Arccos(0.37), 1.19, 0.01) or + not Result_Within_Range(GEF.Arccos(0.0), Pi/2.0, 0.01) or + not Result_Within_Range( EF.Arccos(-0.11), 1.68, 0.01) or + not Result_Within_Range(GEF.Arccos(-0.67), 2.31, 0.01) or + not Result_Within_Range( EF.Arccos(-0.94), 2.79, 0.01) or + not Result_Within_Range(GEF.Arccos(-1.0), Pi, 0.01) + then + Report.Failed("Incorrect result returned from the Arccos " & + "function when provided a variety of input " & + "parameters"); + end if; + + + -- Testing of the Arccos function with specified Cycle parameter. + + -- Check that Argument_Error is raised by the Arccos function, with + -- specified Cycle parameter, when the absolute value of the input + -- parameter is greater than 1.0. + + begin +--pwb-math: Next line: Changed 2.0*Pi to 360.0 + New_Float_Result := GEF.Arccos(New_Float(Large), Cycle => 360.0); + Report.Failed("Argument_Error not raised by the Arccos function " & + "with specified Cycle parameter, when the input " & + "parameter is a large positive value"); + Dont_Optimize_New_Float(New_Float_Result, 3); + exception + when Argument_Error => null; -- OK, expected exception. + when others => + Report.Failed("Unexpected exception raised by the Arccos " & + "function with specified Cycle parameter, when " & + "the input parameter is a large positive value"); + end; + + begin +--pwb-math: Next line: Changed 2.0*Pi to 360.0 + The_Result := EF.Arccos(FXA5A00.Minus_One_Minus_Delta, 360.0); + Report.Failed("Argument_Error not raised by the Arccos function " & + "with specified Cycle parameter, when the input " & + "parameter is less than -1.0"); + Dont_Optimize_Float(The_Result, 4); + exception + when Argument_Error => null; -- OK, expected exception. + when others => + Report.Failed("Unexpected exception raised by the Arccos " & + "function with specified Cycle parameter, " & + "when the input parameter is less than -1.0"); + end; + + + -- Check that Argument_Error is raised by the Arccos function with + -- specified cycle when the value of the Cycle parameter is zero or + -- negative. + + begin + New_Float_Result := GEF.Arccos(X => 1.0, Cycle => 0.0 ); + Report.Failed("Argument_Error not raised by the Arccos function " & + "with specified Cycle parameter, when the Cycle " & + "parameter is 0.0"); + Dont_Optimize_New_Float(New_Float_Result, 5); + exception + when Argument_Error => null; -- OK, expected exception. + when others => + Report.Failed("Unexpected exception raised by the Arccos " & + "function with specified Cycle parameter, when " & + "the Cycle parameter is 0.0"); + end; + + begin + The_Result := EF.Arccos(1.0, Cycle => -2.0*Pi); + Report.Failed("Argument_Error not raised by the Arccos function " & + "with specified Cycle parameter, when the Cycle " & + "parameter is negative"); + Dont_Optimize_Float(The_Result, 6); + exception + when Argument_Error => null; -- OK, expected exception. + when others => + Report.Failed("Unexpected exception raised by the Arccos " & + "function with specified Cycle parameter, when " & + "the Cycle parameter is negative"); + end; + + + -- Check the prescribed result of the Arccos function with specified + -- Cycle parameter. + +--pwb-math: Next two lines: Changed 2.0*Pi to 360.0 + if GEF.Arccos(X => 1.0, Cycle => 360.0) /= 0.0 or + EF.Arccos(1.0, 360.0) /= 0.0 + then + Report.Failed("Incorrect result from the Arccos function with " & + "specified Cycle parameter, when the input " & + "parameter value is 1.0"); + end if; + + + -- Check the results of the Arccos function, with specified Cycle + -- parameter, with various input parameters. + + if --pwb-math not Result_Within_Range(GEF.Arccos( 0.04, 2.0*Pi), 1.53, 0.01) or +--pwb-math not Result_Within_Range( EF.Arccos( 0.14, 2.0*Pi), 1.43, 0.01) or +--pwb-math not Result_Within_Range(GEF.Arccos( 0.57, 2.0*Pi), 0.96, 0.01) or +--pwb-math not Result_Within_Range( EF.Arccos( 0.99, 2.0*Pi), 0.14, 0.01) or + not Result_Within_Range(GEF.Arccos(-1.0, 360.0), 180.0, 0.1) or + not Result_Within_Range(GEF.Arccos(-1.0, 100.0), 50.0, 0.1) or + not Result_Within_Range(GEF.Arccos( 0.0, 360.0), 90.0, 0.1) or + not Result_Within_Range(GEF.Arccos( 0.0, 100.0), 25.0, 0.1) + then + Report.Failed("Incorrect result returned from the Arccos " & + "function with specified Cycle parameter, " & + "when provided a variety of input parameters"); + end if; + + + + -- Testing of Arccosh Function, both instantiated and pre-instantiated + -- version. + + -- Check that Argument_Error is raised by the Arccosh function when + -- the value of the parameter X is less than 1.0. + + begin + New_Float_Result := GEF.Arccosh(New_Float(FXA5A00.One_Minus_Delta)); + Report.Failed("Argument_Error not raised by the Arccosh function " & + "when the parameter value is less than 1.0"); + Dont_Optimize_New_Float(New_Float_Result, 7); + exception + when Argument_Error => null; -- OK, expected exception. + when others => + Report.Failed("Unexpected exception raised by the Arccosh " & + "function when given a parameter value less " & + "than 1.0"); + end; + + begin + The_Result := EF.Arccosh(0.0); + Report.Failed("Argument_Error not raised by the Arccosh function " & + "when the parameter value is 0.0"); + Dont_Optimize_Float(The_Result, 8); + exception + when Argument_Error => null; -- OK, expected exception. + when others => + Report.Failed("Unexpected exception raised by the Arccosh " & + "function when given a parameter value of 0.0"); + end; + + begin + New_Float_Result := GEF.Arccosh(New_Float(-FXA5A00.Large)); + Report.Failed("Argument_Error not raised by the Arccosh function " & + "when the large negative parameter value"); + Dont_Optimize_New_Float(New_Float_Result, 9); + exception + when Argument_Error => null; -- OK, expected exception. + when others => + Report.Failed("Unexpected exception raised by the Arccosh " & + "function when given a large negative parameter " & + "value"); + end; + + + -- Check the prescribed results of the Arccosh function. + + if GEF.Arccosh(X => 1.0) /= 0.0 or + EF.Arccosh(1.0) /= 0.0 + then + Report.Failed("Incorrect result returned by the Arccosh " & + "function when provided a parameter value of 0.0"); + end if; + + + -- Check the results of the Arccosh function with various input + -- parameters. + + if not Result_Within_Range(GEF.Arccosh(1.03), 0.244, 0.001) or + not Result_Within_Range( EF.Arccosh(1.28), 0.732, 0.001) or + not Result_Within_Range(GEF.Arccosh(1.50), 0.962, 0.001) or + not Result_Within_Range( EF.Arccosh(1.77), 1.17, 0.01) or + not Result_Within_Range(GEF.Arccosh(2.00), 1.32, 0.01) or + not Result_Within_Range( EF.Arccosh(4.30), 2.14, 0.01) or + not Result_Within_Range(GEF.Arccosh(6.90), 2.62, 0.01) + then + Report.Failed("Incorrect result returned from the Arccosh " & + "function when provided a variety of input " & + "parameters"); + end if; + + + exception + when others => Report.Failed ("Exception raised in Test_Block"); + end Test_Block; + + Report.Result; + +end CXA5A06; |