Converted "exp" to "mfexp" in all instances EXCEPT gamma function calc.s (prGr_xzz, prRec_z). 	orig.chk passed as previously. NOTE: orig.chk did not pass when mfexp used in gamma function calcs.
Converted "exp" to "mfexp" in all instances EXCEPT gamma function calc.s (prGr_xzz, prRec_z).
	orig.chk passed as previously. NOTE: orig.chk did not pass when mfexp used in gamma function calcs.
wStockhausen/wtsTCSAM2013,wStockhausen/wtsTCSAM2013