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view gcc/testsuite/ada/acats/tests/cxa/cxa5015.a @ 111:04ced10e8804
gcc 7
| author | kono |
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| date | Fri, 27 Oct 2017 22:46:09 +0900 |
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-- CXA5015.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 following representation-oriented attributes are -- available and that the produce correct results: -- 'Denorm, 'Signed_Zeros, 'Exponent 'Fraction, 'Compose, 'Scaling, -- 'Floor, 'Ceiling, 'Rounding, 'Unbiased_Rounding, 'Truncation, -- 'Remainder, 'Adjacent, 'Copy_Sign, 'Leading_Part, 'Machine, and -- 'Model_Small. -- -- TEST DESCRIPTION: -- This test checks whether certain attributes of floating point types -- are available from an implementation. Where attribute correctness -- can be verified in a straight forward manner, the appropriate checks -- are included here. However, this test is not intended to ensure the -- correctness of the results returned from all of the attributes -- examined in this test; that process will occur in the tests of the -- Numerics_Annex. -- -- -- CHANGE HISTORY: -- 26 Jun 95 SAIC Initial prerelease version. -- 29 Apr 96 SAIC Incorporated reviewer comments for ACVC 2.1. -- 01 DEC 97 EDS Fix value for checking the S'Adjacent attribute --! with Report; procedure CXA5015 is subtype Float_Subtype is Float range -10.0..10.0; type Derived_Float_1 is digits 8; type Derived_Float_2 is new Derived_Float_1 range -10.0..10.0E10; use type Float, Float_Subtype, Derived_Float_1, Derived_Float_2; TC_Boolean : Boolean; TC_Float : Float; TC_SFloat : Float_Subtype; TC_DFloat_1 : Derived_Float_1; TC_DFloat_2 : Derived_Float_2; TC_Tolerance : Float := 0.001; function Not_Equal (Actual_Result, Expected_Result, Tolerance : Float) return Boolean is begin return abs(Actual_Result - Expected_Result) > Tolerance; end Not_Equal; begin Report.Test ("CXA5015", "Check that certain representation-oriented " & "attributes are available and that they " & "produce correct results"); -- New Representation-Oriented Attributes. -- -- Check the S'Denorm attribute. TC_Boolean := Float'Denorm; TC_Boolean := Float_Subtype'Denorm; TC_Boolean := Derived_Float_1'Denorm; TC_Boolean := Derived_Float_2'Denorm; -- Check the S'Signed_Zeroes attribute. TC_Boolean := Float'Signed_Zeros; TC_Boolean := Float_Subtype'Signed_Zeros; TC_Boolean := Derived_Float_1'Signed_Zeros; TC_Boolean := Derived_Float_2'Signed_Zeros; -- New Primitive Function Attributes. -- -- Check the S'Exponent attribute. TC_Float := 0.5; TC_SFloat := 0.99; TC_DFloat_1 := 2.45; TC_DFloat_2 := 2.65; if Float'Exponent(TC_Float) > Float_Subtype'Exponent(TC_SFloat) or Float'Exponent(TC_Float) > 2 then Report.Failed("Incorrect result from the 'Exponent attribute"); end if; -- Check the S'Fraction attribute. if Not_Equal (Float'Fraction(TC_Float), TC_Float * Float(Float'Machine_Radix)**(-Float'Exponent(TC_Float)), TC_Tolerance) then Report.Failed("Incorrect result from the 'Fraction attribute - 1"); end if; if Float'Fraction(TC_Float) < (1.0/Float(Float'Machine_Radix)) - TC_Tolerance or Float'Fraction(TC_Float) >= 1.0 - TC_Tolerance then Report.Failed("Incorrect result from the 'Fraction attribute - 2"); end if; -- Check the S'Compose attribute. if Not_Equal (Float'Compose(TC_Float, 3), TC_Float * Float(Float'Machine_Radix)**(3-Float'Exponent(TC_Float)), TC_Tolerance) then Report.Failed("Incorrect result from the 'Compose attribute"); end if; -- Check the S'Scaling attribute. if Not_Equal (Float'Scaling(TC_Float, 2), TC_Float * Float(Float'Machine_Radix)**2, TC_Tolerance) then Report.Failed("Incorrect result from the 'Scaling attribute"); end if; -- Check the S'Floor attribute. TC_Float := 0.99; TC_SFloat := 1.00; TC_DFloat_1 := 2.50; TC_DFloat_2 := -2.50; if Float'Floor(TC_Float) /= 0.0 or Float_Subtype'Floor(TC_SFloat) /= 1.0 or Derived_Float_1'Floor(TC_DFloat_1) /= 2.0 or Derived_Float_2'Floor(TC_DFloat_2) /= -3.0 then Report.Failed("Incorrect result from the 'Floor attribute"); end if; -- Check the S'Ceiling attribute. TC_Float := 0.99; TC_SFloat := 1.00; TC_DFloat_1 := 2.50; TC_DFloat_2 := -2.99; if Float'Ceiling(TC_Float) /= 1.0 or Float_Subtype'Ceiling(TC_SFloat) /= 1.0 or Derived_Float_1'Ceiling(TC_DFloat_1) /= 3.0 or Derived_Float_2'Ceiling(TC_DFloat_2) /= -2.0 then Report.Failed("Incorrect result from the 'Ceiling attribute"); end if; -- Check the S'Rounding attribute. TC_Float := 0.49; TC_SFloat := 1.00; TC_DFloat_1 := 2.50; TC_DFloat_2 := -2.50; if Float'Rounding(TC_Float) /= 0.0 or Float_Subtype'Rounding(TC_SFloat) /= 1.0 or Derived_Float_1'Rounding(TC_DFloat_1) /= 3.0 or Derived_Float_2'Rounding(TC_DFloat_2) /= -3.0 then Report.Failed("Incorrect result from the 'Rounding attribute"); end if; -- Check the S'Unbiased_Rounding attribute. TC_Float := 0.50; TC_SFloat := 1.50; TC_DFloat_1 := 2.50; TC_DFloat_2 := -2.50; if Float'Unbiased_Rounding(TC_Float) /= 0.0 or Float_Subtype'Unbiased_Rounding(TC_SFloat) /= 2.0 or Derived_Float_1'Unbiased_Rounding(TC_DFloat_1) /= 2.0 or Derived_Float_2'Unbiased_Rounding(TC_DFloat_2) /= -2.0 then Report.Failed("Incorrect result from the 'Unbiased_Rounding " & "attribute"); end if; -- Check the S'Truncation attribute. TC_Float := -0.99; TC_SFloat := 1.50; TC_DFloat_1 := 2.99; TC_DFloat_2 := -2.50; if Float'Truncation(TC_Float) /= 0.0 or Float_Subtype'Truncation(TC_SFloat) /= 1.0 or Derived_Float_1'Truncation(TC_DFloat_1) /= 2.0 or Derived_Float_2'Truncation(TC_DFloat_2) /= -2.0 then Report.Failed("Incorrect result from the 'Truncation attribute"); end if; -- Check the S'Remainder attribute. TC_Float := 9.0; TC_SFloat := 7.5; TC_DFloat_1 := 5.0; TC_DFloat_2 := 8.0; if Float'Remainder(TC_Float, 2.0) /= 1.0 or Float_Subtype'Remainder(TC_SFloat, 3.0) /= 1.5 or Derived_Float_1'Remainder(TC_DFloat_1, 2.0) /= 1.0 or Derived_Float_2'Remainder(TC_DFloat_2, 4.0) /= 0.0 then Report.Failed("Incorrect result from the 'Remainder attribute"); end if; -- Check the S'Adjacent attribute. TC_Float := 4.0; TC_SFloat := -1.0; if Float'Adjacent(TC_Float, TC_Float) /= TC_Float or Float_Subtype'Adjacent(TC_SFloat, -1.0) /= TC_SFloat then Report.Failed("Incorrect result from the 'Adjacent attribute"); end if; -- Check the S'Copy_Sign attribute. TC_Float := 0.0; TC_SFloat := -1.0; TC_DFloat_1 := 5.0; TC_DFloat_2 := -2.5; if Float'Copy_Sign(TC_Float, -2.0) /= 0.0 or Float_Subtype'Copy_Sign(TC_SFloat, 4.0) /= 1.0 or Derived_Float_1'Copy_Sign(TC_DFloat_1, -2.0) /= -5.0 or Derived_Float_2'Copy_Sign(TC_DFloat_2, -2.0) /= -2.5 then Report.Failed("Incorrect result from the 'Copy_Sign attribute"); end if; -- Check the S'Leading_Part attribute. TC_Float := 0.0; TC_SFloat := -1.0; TC_DFloat_1 := 5.88; TC_DFloat_2 := -2.52; -- Leading part obtained in the variables. TC_Float := Float'Leading_Part(TC_Float, 2); TC_SFloat := Float_Subtype'Leading_Part(TC_SFloat, 2); TC_DFloat_1 := Derived_Float_1'Leading_Part(TC_DFloat_1, 2); TC_DFloat_2 := Derived_Float_2'Leading_Part(TC_DFloat_2, 2); -- Checking for the leading part of the variables at this point should -- produce the same values. if Float'Leading_Part(TC_Float, 2) /= TC_Float or Float_Subtype'Leading_Part(TC_SFloat, 2) /= TC_SFloat or Derived_Float_1'Leading_Part(TC_DFloat_1, 2) /= TC_DFloat_1 or Derived_Float_2'Leading_Part(TC_DFloat_2, 2) /= TC_DFloat_2 then Report.Failed("Incorrect result from the 'Leading_Part attribute"); end if; -- Check the S'Machine attribute. TC_Float := 0.0; TC_SFloat := -1.0; TC_DFloat_1 := 5.88; TC_DFloat_2 := -2.52; -- Closest machine number obtained in the variables. TC_Float := Float'Machine(TC_Float); TC_SFloat := Float_Subtype'Machine(TC_SFloat); TC_DFloat_1 := Derived_Float_1'Machine(TC_DFloat_1); TC_DFloat_2 := Derived_Float_2'Machine(TC_DFloat_2); -- Checking for the closest machine number to each of the variables at -- this point should produce the same values. if Float'Machine(TC_Float) /= TC_Float or Float_Subtype'Machine(TC_SFloat) /= TC_SFloat or Derived_Float_1'Machine(TC_DFloat_1) /= TC_DFloat_1 or Derived_Float_2'Machine(TC_DFloat_2) /= TC_DFloat_2 then Report.Failed("Incorrect result from the 'Machine attribute"); end if; -- New Model-Oriented Attributes. -- -- Check the S'Model_Small attribute. if Not_Equal (Float'Model_Small, Float(Float'Machine_Radix)**(Float'Model_Emin-1), TC_Tolerance) then Report.Failed("Incorrect result from the 'Model_Small attribute"); end if; Report.Result; end CXA5015;