Eric Postpischil

Eric Postpischil has asked 35 questions and find answers to 874 problems.

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About

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

Eric Postpischil questions

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?
Can a pointer to an incomplete type be incomplete?

Eric Postpischil answers

Understanding how the wait function works and get a clear view of how to use it
Understanding different translation units in C (the meaning)
"Initializer element is not constant" when defining an object as a static member of a function
Compiling AVX2 program on Mavericks
Ambiguity in scope of for loop declaration versus body
How to properly manage dynamically allocated pointer arrays in C++?
Is there any difference between this two macros? [duplicate]
Why C++ strtod parses "708530856168225829.3221614e9" to 7.08530856168225898e+26 instead of 7.08530856168225761e+26?
Why do a string and integer with identical memory values print differently?
What is the difference between : int a = (b<<2) >>2; and int a = b & 0x3F; when b is an unsigned char?