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tdev.cpp
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00001 /*
00002  * $Id: tdev.cpp 1967 2014-04-30 23:36:04Z johnoel $
00003  *
00004  * Author: David Fournier
00005  * Copyright (c) 2008-2012 Regents of the University of California
00006  */
00011 #include <df1b2fun.h>
00012 
00017   df1b2variable t_deviate(const df1b2variable& _x,const df1b2variable& _a)
00018   {
00019     df1b2variable& x= (df1b2variable&)(_x);
00020     df1b2variable& a= (df1b2variable&)(_a);
00021 
00022     df1b2variable y=cumd_norm(x);
00023     y=.9999*y+.00005;
00024 
00025     df1b2variable z=inv_cumd_t(y,a);
00026 
00027     return z;
00028   }