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Fix floating point division by zero in preprocessor expressions.

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Closes #1183
This commit is contained in:
William S Fulton 2018-01-15 07:51:18 +00:00
commit ea5b55ecf4
4 changed files with 39 additions and 4 deletions
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13
Examples/test-suite/errors/pp_expressions_bad.i Normal file
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@ -0,0 +1,13 @@
%module xxx
#define ZERO 0
#if 1%ZERO
#endif
#if 2/ZERO
#endif
#if 1%(5-5)
#endif
#if 2/(55-55)
#endif

8
Examples/test-suite/errors/pp_expressions_bad.stderr Normal file
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@ -0,0 +1,8 @@
pp_expressions_bad.i:5: Warning 202: Could not evaluate expression '1%ZERO'
pp_expressions_bad.i:5: Warning 202: Error: 'Modulo by zero in expression'
pp_expressions_bad.i:7: Warning 202: Could not evaluate expression '2/ZERO'
pp_expressions_bad.i:7: Warning 202: Error: 'Division by zero in expression'
pp_expressions_bad.i:10: Warning 202: Could not evaluate expression '1%(5-5)'
pp_expressions_bad.i:10: Warning 202: Error: 'Modulo by zero in expression'
pp_expressions_bad.i:12: Warning 202: Could not evaluate expression '2/(55-55)'
pp_expressions_bad.i:12: Warning 202: Error: 'Division by zero in expression'