Linear mapping of x from range [a1, a2] to range [b1, b2].
Input value to be mapped.
Input minimum value for range A.
Input maximum value for range A.
Input minimum value for range B.
Input maximum value for range B.
Return linear mapping of x from range [a1, a2] to range [b1, b2]
Linear mapping of x from range [a1, a2] to range [b1, b2].