Eric Postpischil

Eric Postpischil has asked 35 questions and find answers to 868 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

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?
C identifier names: What goes with which compiler?
Why is mpfr_printf different than printf for hex float (%a conversion specifier)?
C uses different data type for arithmetic in the middle of an expression?
Understanding how these floating point numbers work?
What happens in background or in memory when we cast char * to int *
Concatenate strings using ## operators in C