Eric Postpischil

Eric Postpischil has asked 35 questions and find answers to 885 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

C#: Wrong result when converting expression with floats to int
C MSB to LSB explanation
Is it undefined behavior to cast from a struct with a flexible array member to an otherwise identical one without?
What effect does Optimisation in GCC compiler have on overflow conditions
Are thread_local objects initialized to 0 in C?
Should I use pow and sqrt or just pow for half integers?
FFT nightmare )
How does GCC know the error location (in the source code), when its preprocessor has removed comments?
Integer and Float divisions in C
What are the differences between the two lerp functions?