#pragma TextEncoding = "UTF-8"
#pragma IgorVersion = 9.00
#pragma DefaultTab = {3,20,4}
#pragma rtGlobals = 1		// a setting of 1 makes x-shifts less bothersome
#include <Multipeak Fitting>
#include <MPF_TougaardBackground>

Override Function GenerateTougaardCSHelper(STRUCT MPF2_BLFitStruct &s, DFREF MPF2SetFolder)
	Make/D/O/N=(500) MPF2SetFolder:Bkg_TougaardCS /WAVE=CSdata
	
	Variable left	= pnt2x(s.yWave,0)
	Variable right	= pnt2x(s.ywave,numpnts(s.ywave)-1)
	if(WaveExists(s.xWave))
		left	= s.xWave[0]
		right	= s.xWave[numpnts(s.xWave)-1]
	endif
	SetScale/I x 0, abs(left-right), CSdata			// cross section data needs to be properly scaled from zero
	
	Wave/Z exptData = PATH_TO_EXPDATA					// write a valid path to your data here
	if (WaveExists(exptData))
		CSdata = s.cWave[0]*exptData(x-s.cWave[1])	// here B and C parameters are used for scaling and shifting the data
	else
		CSdata = NaN
	endif
	return 0
End