[ale] Incomplete math libraries?

[Mike Fletcher]

>>>>> "Justin" == Justin Russell <jwrussell at fs1.mar.lmco.com> writes:

    Justin> Does anyone know why this is?  sqrt() exists in the man
    Justin> pages and it even says there that sqrt() is supposed to
    Justin> be defined in math.h.  Any input helpful.

        The header file just defines the function signature, not the
actual implementation of the function (usually; C++ inline's not
withstanding :).  Add -lm to link with the math library and all should 
be well.

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