1. w in Gaussian_LorenCross is a half width at which the y value is equal to 1/(1+exp(0.5*(1-s))*s) of its maximum value. Note that when s=1 (Lorentz), it is half of FWHM.
2. Amplitude is used here, and A is the amplitude.
3. If s=1, it converts to Lorentz function. w is half of FWHM in Lorentz, and A is 2*Area/(pi*FWHM) in Lorentz.
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