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Definition:
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constant PI = 3.14159265358979323846...
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Description:
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The mathematic constant PI has been defined as a global constant in Phix.
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Comments:
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Enough digits have been used to attain the maximum accuracy possible for a Phix atom.
(At the time of writing this is probably not true for 64-bit, especially for any 64-bit app created using a 32-bit version
of the Phix compiler. When things settle down, I may look into using the floating point hardware (fldpi) to establish this
value rather than specifying it via a decimal text string - which is likely to be a pretty trivial chunk of #ilASM, little
more than just fldpi; lea e/rdi,[PI]; call:%pStoreFlt.)
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Example:
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x = PI -- x is 3.1415926...
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See Also:
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sin,
cos,
tan,
mpfr_const_pi
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