diff options
Diffstat (limited to 'gcc/testsuite/ada/acats/support/fxa5a00.a')
| -rw-r--r-- | gcc/testsuite/ada/acats/support/fxa5a00.a | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/gcc/testsuite/ada/acats/support/fxa5a00.a b/gcc/testsuite/ada/acats/support/fxa5a00.a new file mode 100644 index 000000000..6b2fcef7d --- /dev/null +++ b/gcc/testsuite/ada/acats/support/fxa5a00.a @@ -0,0 +1,121 @@ +-- FXA5A00.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. +--* +-- +-- FOUNDATION DESCRIPTION: +-- This foundation package contains constants and a function used in +-- the evaluation of the Generic Elementary Functions. +-- +-- CHANGE HISTORY: +-- 06 Mar 95 SAIC Initial prerelease version. +-- 03 Apr 95 SAIC Corrected error in context clause. +-- 12 Jun 95 SAIC Added procedure Dont_Optimize. Added New_Float +-- type, and overload of function +-- Result_Within_Range. +-- +--! + +with Ada.Numerics; +with Report; + +package FXA5A00 is + + -- Constants. + + Epsilon : constant Float := Float'Model_Epsilon; + Small : constant Float := Float'Model_Small; + Large : constant Float := Float'Safe_Last; + Minus_Large : constant Float := Float'Safe_First; + + Half_Pi : constant Float := Ada.Numerics.Pi / 2.0; + Two_Pi : constant Float := Ada.Numerics.Pi * 2.0; + + Floating_Delta : constant Float := 0.05; + One_Plus_Delta : constant Float := 1.0 + Floating_Delta; + One_Minus_Delta : constant Float := 1.0 - Floating_Delta; + Minus_One_Plus_Delta : constant Float := -1.0 + Floating_Delta; + Minus_One_Minus_Delta : constant Float := -1.0 - Floating_Delta; + + + type New_Float is new Float digits 6; + + function Result_Within_Range (Result : Float; + Expected_Result : Float; + Relative_Error : Float) return Boolean; + + function Result_Within_Range (Result : New_Float; + Expected_Result : Float; + Relative_Error : Float) return Boolean; + + -- This procedure is designed to defeat optimization attempts by an + -- implementation in cases where an exception is specifically raised + -- in a test to test a prescribed exception result condition. + -- The parameter Num is a unique identifier for location purposes within + -- the test. + + generic + type Eval_Type is digits <>; + procedure Dont_Optimize (Check_Result : Eval_Type; + Num : Integer); + +end FXA5A00; + +--- + +package body FXA5A00 is + + + function Result_Within_Range (Result : Float; + Expected_Result : Float; + Relative_Error : Float) return Boolean is + begin + return (Result <= Expected_Result + Relative_Error) and + (Result >= Expected_Result - Relative_Error); + end Result_Within_Range; + + + function Result_Within_Range (Result : New_Float; + Expected_Result : Float; + Relative_Error : Float) return Boolean is + begin + return (Float(Result) <= Expected_Result + Relative_Error) and + (Float(Result) >= Expected_Result - Relative_Error); + end Result_Within_Range; + + + procedure Dont_Optimize (Check_Result : Eval_Type; + Num : Integer) is + begin + -- Note that the use of Minus_Large here is simply as a "dummy" value, + -- designed to indicate use of the Check_Result parameter, and has no + -- pass/fail significance to any test using this procedure. + -- + if Float(Check_Result) = Minus_Large then + Report.Comment("Attempted Defeat of Optimization ONLY -- Not " & + "a cause for test failure! " & + "Result = Minus_Large, Case:" & Integer'Image(Num)); + end if; + end Dont_Optimize; + +end FXA5A00; |