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df1b2betdev.cpp
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00001 /*
00002  * $Id: df1b2betdev.cpp 1919 2014-04-22 22:02:01Z 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 beta_deviate(const df1b2variable& _a,const df1b2variable& _b,
00018   const df1b2variable& _x,double eps)
00019 {
00020   df1b2variable& x= (df1b2variable&)(_x);
00021   df1b2variable& a= (df1b2variable&)(_a);
00022   df1b2variable& b= (df1b2variable&)(_b);
00023 
00024   df1b2variable y=cumd_norm(x);
00025   y=.9999999*y+.00000005;
00026 
00027   df1b2variable z=inv_cumd_beta_stable(a,b,y,eps);
00028 
00029   return z;
00030 }