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678

answers:

1
+1  Q: 

How do I access math constants (eg. M_PI) in Visual C++ 2008?

I want to use the math constants, such as M_PI and M_E, in Visual C++ 2008. I assumed they were defined in the cmath header.

+4  A: 

They are, but you also need to #define _USE_MATH_DEFINES before you #include <cmath>

davidi  2009-04-30 09:49:35

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