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Diffstat (limited to 'gcc/testsuite/ada/acats/tests/cxg/cxg2024.a')
| -rw-r--r-- | gcc/testsuite/ada/acats/tests/cxg/cxg2024.a | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/gcc/testsuite/ada/acats/tests/cxg/cxg2024.a b/gcc/testsuite/ada/acats/tests/cxg/cxg2024.a new file mode 100644 index 000000000..55648283e --- /dev/null +++ b/gcc/testsuite/ada/acats/tests/cxg/cxg2024.a @@ -0,0 +1,191 @@ +-- CXG2024.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 multiplication and division of decimal +-- and binary fixed point numbers that result in a +-- decimal fixed point type produce acceptable results. +-- +-- TEST DESCRIPTION: +-- Multiplication and division of mixed binary and decimal +-- values are performed. Identity functions are used so +-- that the operands of the expressions will not be seen +-- as static by the compiler. +-- +-- SPECIAL REQUIREMENTS +-- The Strict Mode for the numerical accuracy must be +-- selected. The method by which this mode is selected +-- is implementation dependent. +-- +-- APPLICABILITY CRITERIA: +-- This test applies only to implementations supporting the +-- Numerics Annex. +-- This test only applies to the Strict Mode for numerical +-- accuracy. +-- This test applies only to implementations supporting +-- decimal fixed point types of at least 9 digits. +-- +-- +-- CHANGE HISTORY: +-- 4 Apr 96 SAIC Initial release for 2.1 +-- 17 Aug 96 SAIC Removed checks for close results +-- +--! + +with System; +with Report; +procedure CXG2024 is + +procedure Do_Check is + Num_Digits : constant := 9; + type Pennies is delta 0.01 digits Num_Digits; + type Dollars is delta 1.0 digits Num_Digits; + + type Signed_Sixteenths is delta 0.0625 + range -2.0 ** (System.Max_Mantissa-5) .. + 2.0 ** (System.Max_Mantissa-5) - 1.0; + type Unsigned_Sixteenths is delta 0.0625 + range 0.0 .. 2.0 ** (System.Max_Mantissa-4) - 1.0; + + P1 : Pennies; + D1 : Dollars; + + -- optimization thwarting functions + + function P (X : Pennies) return Pennies is + begin + if Report.Ident_Bool (True) then + return X; + else + return 3.21; -- never executed + end if; + end P; + + + function D (X : Dollars) return Dollars is + begin + if Report.Ident_Bool (True) then + return X; + else + return 321.0; -- never executed + end if; + end D; + + + function US (X : Unsigned_Sixteenths) return Unsigned_Sixteenths is + begin + if Report.Ident_Bool (True) then + return X; + else + return 321.0; -- never executed + end if; + end US; + + + function SS (X : Signed_Sixteenths) return Signed_Sixteenths is + begin + if Report.Ident_Bool (True) then + return X; + else + return 321.0; -- never executed + end if; + end SS; + + +begin + + P1 := P(0.05) * SS(-200.0); + if P1 /= -10.00 then + Report.Failed ("1 - expected -10.00 got " & Pennies'Image (P1)); + end if; + + D1 := P(0.05) * SS(-100.0); + if D1 /= -5.00 then + Report.Failed ("2 - expected -5.00 got " & Dollars'Image (D1)); + end if; + + P1 := P(0.05) * US(200.0); + if P1 /= 10.00 then + Report.Failed ("3 - expected 10.00 got " & Pennies'Image (P1)); + end if; + + D1 := P(-0.05) * US(100.0); + if D1 /= -5.00 then + Report.Failed ("4 - expected -5.00 got " & Dollars'Image (D1)); + end if; + + + + P1 := P(0.05) / US(1.0); + if P1 /= 0.05 then + Report.Failed ("6 - expected 0.05 got " & Pennies'Image (P1)); + end if; + + + -- check rounding + + D1 := Dollars'Round (Pennies (P(-101.00) / US(2.0))); + if D1 /= -51.00 then + Report.Failed ("11 - expected -51.00 got " & Dollars'Image (D1)); + end if; + + D1 := Dollars'Round (Pennies (P(101.00) / US(2.0))); + if D1 /= 51.00 then + Report.Failed ("12 - expected 51.00 got " & Dollars'Image (D1)); + end if; + + D1 := Dollars'Round (Pennies (SS(-101.00) / P(2.0))); + if D1 /= -51.00 then + Report.Failed ("13 - expected -51.00 got " & Dollars'Image (D1)); + end if; + + D1 := Dollars'Round (Pennies (US(101.00) / P(2.0))); + if D1 /= 51.00 then + Report.Failed ("14 - expected 51.00 got " & Dollars'Image (D1)); + end if; + + + + P1 := P(-102.03) / SS(-0.5); + if P1 /= 204.06 then + Report.Failed ("15 - expected 204.06 got " & Pennies'Image (P1)); + end if; + + +exception + when others => + Report.Failed ("unexpected exception in Do_Check"); +end Do_Check; + + +begin -- main + Report.Test ("CXG2024", + "Check the accuracy of multiplication and division" & + " of mixed decimal and binary fixed point numbers"); + + Do_Check; + + Report.Result; +end CXG2024; |