integer-overflow Archives

PHP, Programming

IT Nursery

Unexpected results when working with very big integers on interpreted languages

I am trying to get the sum of 1 + 2 + ... + 1000000000, but I’m getting funny results in PHP and ...

June 2, 2022
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Why is unsigned integer overflow defined behavior but signed integer overflow isn’t?

Unsigned integer overflow is well defined by both the C and C++ standards. For example, the C99 standard (§6.2.5/9) states A computation involving ...

May 23, 2022
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(-2147483648> 0) returns true in C++?

-2147483648 is the smallest integer for integer type with 32 bits, but it seems that it will overflow in the if(...) sentence: if ...

May 22, 2022
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How does Java handle integer underflows and overflows and how would you check for it?

How does Java handle integer underflows and overflows? Leading on from that, how would you check/test that this is occurring? 12 Answers 12

May 22, 2022
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How do I detect unsigned integer overflow?

I was writing a program in C++ to find all solutions of ab = c, where a, b and c together use all ...

April 27, 2022
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