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Note 227: 64-Bit Compiler Considerations
Wes Young and Athol Kemball
March 09, 2000
A postscript version of this note is available (100kB).
Contents
Introduction
Motivation
Background
Porting Considerations
Common Problems
Examples
Library Return Types
Equivalence of pointers and ints
String conversion problems
Explicit Constant Typing
Bit shifting and bit-wise operations
FORTRAN Interface
Memory alignment assumptions
Library function parameters and implementation
Persistent storage of Long and Int types
Long Double and Long Long types
Architecture independence
Immediate impact
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