C/C++ Questions only (Floating Point)
C++ programming on UNIX, C++ Networking,C++ Algorithm Questions and Answers
(Continued from previous question...)
C/C++ Questions only (Floating Point)
1. When I set a float variable to 3.1, why is printf printing it as
3.0999999?
2. Why is sqrt(144.) giving me crazy numbers?
3. I keep getting ``undefined: sin'' compilation errors.
4. My floating-point calculations are acting strangely and giving me
different answers on different machines.
5. What's a good way to check for ``close enough'' floating-point
equality?
6. How do I round numbers?
7. Where is C's exponentiation operator?
8. The pre-#defined constant M_PI seems to be missing from <math.h>.
9. How do I test for IEEE NaN and other special values?
10. What's a good way to implement complex numbers in C?
11. I'm looking for some mathematical library code.
12. I'm having trouble with a Turbo C program which crashes and says
something like ``floating point formats not linked.''
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