Integer overflow: Difference between revisions
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=={{header|Phix}}== |
=={{header|Phix}}== |
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{{libheader|Phix/basics}} |
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Phix has both 32 and 64 bit implementations. Integers are signed and limited to 31 (or 63) bits, ie |
Phix has both 32 and 64 bit implementations. Integers are signed and limited to 31 (or 63) bits, ie |
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-1,073,741,824 to +1,073,741,823 (-#40000000 to #3FFFFFFF) on 32 bit, whereas on |
-1,073,741,824 to +1,073,741,823 (-#40000000 to #3FFFFFFF) on 32 bit, whereas on |
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Integer overflow is handled by automatic promotion to atom (an IEEE float, 64/80 bit for the 32/64 bit implementations respectively), |
Integer overflow is handled by automatic promotion to atom (an IEEE float, 64/80 bit for the 32/64 bit implementations respectively), |
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which triggers a run-time type check if stored in a variable declared as integer, eg: |
which triggers a run-time type check if stored in a variable declared as integer, eg: |
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<lang Phix> |
<!--<lang Phix>--> |
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<span style="color: #004080;">integer</span> <span style="color: #000000;">i</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">1000000000</span> <span style="color: #0000FF;">+</span> <span style="color: #000000;">1000000000</span> |
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<!--</lang>--> |
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{{out}} |
{{out}} |
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<pre> |
<pre> |
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