[Ktechlab-devel] public service announcement

[Alan Grimes]

I'm searching through the code for hard coded constants..........

I hope everybody is aware that math.h (C), and it's successor, cmath 
(C++) contains #defines for just about every irrational constant you 
might require defined out to the limits of machine precision...

For example, the code:

y = x / 1.44;

should be written as:

y = X * M_SQRT1_2;

since dividing something is equivalent to multiplying by it's 
reciprocal, and since the designers of C++ thoughtfully included the 
reciprocal as a constant, and because multiplication is a faster 
operation, this is the preferred method. =)

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