Find limit of recursion: Difference between revisions
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(demonstrating better handling of stack-overflow exception) |
(A better way of doing it ... from a thread I started on comp.lang.cobol) |
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Thanks to Brian Tiffin for his [http://www.opencobol.org/modules/newbb/viewtopic.php?viewmode=thread&topic_id=254&forum=1&post_id=1312#1312 demo code on opencobol.org's forum] |
Thanks to Brian Tiffin for his [http://www.opencobol.org/modules/newbb/viewtopic.php?viewmode=thread&topic_id=254&forum=1&post_id=1312#1312 demo code on opencobol.org's forum] |
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==A more 'canonical' way of doing it== |
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from Richard Plinston on [http://groups.google.com/group/comp.lang.cobol/browse_thread/thread/bc8574c6452a7da7# comp.lang.cobol] |
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{{works with|OpenCOBOL 1.1}} |
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<lang cobol> IDENTIFICATION DIVISION. |
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PROGRAM-ID. recurse RECURSIVE. |
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DATA DIVISION. |
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WORKING-STORAGE SECTION. |
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01 Starter PIC S9(8) VALUE 1. |
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PROCEDURE DIVISION. |
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Program-Recurse. |
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CALL "recurse-sub" USING Starter |
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STOP RUN. |
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IDENTIFICATION DIVISION. |
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PROGRAM-ID. recurse-sub. |
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DATA DIVISION. |
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WORKING-STORAGE SECTION. |
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LINKAGE SECTION. |
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01 Countr PIC S9(8). |
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PROCEDURE DIVISION USING Countr. |
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Program-Recursive. |
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DISPLAY Countr |
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ADD 1 TO Countr |
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CALL "recurse-sub" USING Countr |
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EXIT PROGRAM. |
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END PROGRAM recurse-sub. |
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END PROGRAM recurse. </lang> |
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Compiled with <pre>cobc -x -g recurse.cbl</pre> gives |
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<pre>... |
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+00000959 |
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+00000960 |
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+00000961 |
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+00000962 |
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+00000963 |
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+00000964 |
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recurse.cbl:19: Attempt to reference unallocated memory (Signal SIGSEGV) |
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Abnormal termination - File contents may be incorrect</pre> |
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=={{header|C sharp|C#}}== |
=={{header|C sharp|C#}}== |
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