lenght integration or exponential integral -- CFD Online Discussion Forums

July 5, 2010, 11:09	lenght integration or exponential integral	#1
ingrid New Member Join Date: Jul 2010 Posts: 3 Rep Power: 16	Hello, I'm a beginner with OpenFoam and I have to use the exponential integral function but I can't find out how to implement it in my C program. I've tried "::Ei" but it didn't work. Is there a special library to include at the beginning? The other solution I have would be to integrate my function. I've already looked on the programmer's guide but there is nothing of the sort. Does somebody know how to fix it? Thank you for your help, Ingrid

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