Prolog "bitwise"
Admin User, created Apr 07. 2025
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/**
* Source of test cases are the following standards:
* - Prolog General Core ISO/IEC 13211-1
* - Draft Technical Corrigendum 1, WG17, Ulrich Neumerkel
* <a href="https://www.complang.tuwien.ac.at/ulrich/iso-prolog/dtc1">www.complang.tuwien.ac.at/ulrich/iso-prolog/dtc1</a>
* - Draft Technical Corrigendum 2, WG17, Ulrich Neumerkel
* <a href="https://www.complang.tuwien.ac.at/ulrich/iso-prolog/dtc2">www.complang.tuwien.ac.at/ulrich/iso-prolog/dtc2</a>
*/
runner_file(arithmetic, bitwise, 'ISO 9.4 bitwise').
/****************************************************************/
/* Bitwise Operations */
/****************************************************************/
/* \ X */
runner_pred(\, -2, arithmetic, bitwise, 'ISO 9.4.5.4').
runner_case(\, -2, arithmetic, bitwise, 'ISO 9.4.5.4, ISO 2') :-
10 is \( \ 10).
runner_case(\, -2, arithmetic, bitwise, 'ISO 9.4.5.4, ISO 3') :-
-11 is \ 10.
runner_case(\, -2, arithmetic, bitwise, 'ISO 9.4.5.4, ISO 4') :-
catch(_ is \ _, error(E, _), true), E==instantiation_error.
runner_case(\, -2, arithmetic, bitwise, 'ISO 9.4.5.4, ISO 5') :-
catch(_ is \ 2.5, error(E, _), true), E==type_error(integer, 2.5).
/* X /\ Y */
runner_pred(/\, -3, arithmetic, bitwise, 'ISO 9.4.3.4, Corrigendum 1').
runner_case(/\, -3, arithmetic, bitwise, 'ISO 9.4.3.4, ISO 2') :-
8 is 10 /\ 12.
runner_case(/\, -3, arithmetic, bitwise, 'ISO 9.4.3.4, ISO 3') :-
125 is (17 * 256 + 125) /\ 255.
runner_case(/\, -3, arithmetic, bitwise, 'ISO 9.4.3.4, ISO 4') :-
4 is (-10) /\ 12.
runner_case(/\, -3, arithmetic, bitwise, 'ISO 9.4.3.4, ISO 6') :-
catch(_ is foobar /\ 2, error(E, _), true), E==type_error(evaluable, foobar/0).
/* X \/ Y */
runner_pred(\/, -3, arithmetic, bitwise, 'ISO 9.4.4.4, Corrigendum 1').
runner_case(\/, -3, arithmetic, bitwise, 'ISO 9.4.4.4, ISO 2') :-
14 is 10 \/ 12.
runner_case(\/, -3, arithmetic, bitwise, 'ISO 9.4.4.4, ISO 3') :-
255 is 125 \/ 255.
runner_case(\/, -3, arithmetic, bitwise, 'ISO 9.4.4.4, ISO 4') :-
-2 is (-10) \/ 12.
runner_case(\/, -3, arithmetic, bitwise, 'ISO 9.4.4.4, ISO 5') :-
catch(_ is 77 \/ _, error(E, _), true), E==instantiation_error.
/* X << Y */
runner_pred(<<, -3, arithmetic, bitwise, 'ISO 9.4.2.4, Corrigendum 1').
runner_case(<<, -3, arithmetic, bitwise, 'ISO 9.4.2.4, ISO 1') :-
64 is 16 << 2.
runner_case(<<, -3, arithmetic, bitwise, 'ISO 9.4.2.4, ISO 2') :-
76 is 19 << 2.
runner_case(<<, -3, arithmetic, bitwise, 'ISO 9.4.2.4, ISO 3') :-
-64 is (-16) << 2.
runner_case(<<, -3, arithmetic, bitwise, 'ISO 9.4.2.4, ISO 5') :-
catch(_ is foobar << 2, error(E, _), true), E==type_error(evaluable, foobar/0).
/* X >> Y */
runner_pred(>>, -3, arithmetic, bitwise, 'ISO 9.4.1.4, Corrigendum 1').
runner_case(>>, -3, arithmetic, bitwise, 'ISO 9.4.1.4, ISO 1') :-
4 is 16 >> 2.
runner_case(>>, -3, arithmetic, bitwise, 'ISO 9.4.1.4, ISO 2') :-
4 is 19 >> 2.
runner_case(>>, -3, arithmetic, bitwise, 'ISO 9.4.1.4, ISO 3') :-
-4 is (-16) >> 2.
runner_case(>>, -3, arithmetic, bitwise, 'ISO 9.4.1.4, ISO 4') :-
catch(_ is 77 >> _, error(E, _), true), E==instantiation_error.
/* xor(X,Y) */
runner_pred(xor, -3, arithmetic, bitwise, 'Corr.2 9.4.6.4').
runner_case(xor, -3, arithmetic, bitwise, 'Corr.2 9.4.6.4, ISO 1') :-
6 is xor(10, 12).
runner_case(xor, -3, arithmetic, bitwise, 'Corr.2 9.4.6.4, ISO 2') :-
130 is xor(125, 255).
runner_case(xor, -3, arithmetic, bitwise, 'Corr.2 9.4.6.4, ISO 3') :-
-6 is xor(-10, 12).