Eric Postpischil

Eric Postpischil has asked 36 questions and find answers to 991 problems.

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About

Senior software engineer in Apple’s Vector and Numerics Group (retired).

Eric Postpischil questions

Why do GCC and Clang produce different output with variable length array?
How to fix "variable previously declared 'static' redeclared 'extern' error"? [duplicate]
Is an fscanf/scanf/sscanf conversion specification with assignment suppressed not a conversion?
Is GCC warning on const qualifier correct?
Is assigning to a union member from a different member in the same union defined by the C standard?
Why is _Alignof missing from the rule about converting an array to a pointer?
Why was SIGFPE used for integer arithmetic exceptions?
Is a redeclaration of an untagged structure a compatible type?
May C evaluate with multiple floating-point formats?
How are multiple prior declarations resolved for a new declaration with extern?

Eric Postpischil answers

Verifying binary patterns for large integers (BigInteger)
Inaccuracy in the C standard in the description of integer rank conversions?
Is printf's %a formatting for floating-points not unique?
How is text segment made read-only?
Set flag for SIGFPE and continue execution ignoring FPEs
How does JavaScript determine the number of digits to produce when formatting floating-point values?
Compare rounded floats in Python
Error: redefinition seems not to be generated with GCC and C23
Why whould i call a pointer with no obvious function
If I declare a char array do I have to count the null character too?