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df1b2f19.cpp
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00001 /*
00002  * $Id: df1b2f19.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 double sqrt_m5(double x) {return .5/sqrt(x);}
00018 
00023 double sqrt_m32(double x) {return -.25/(sqrt(x)*x);}
00024 
00029 double sqrt_m52(double x) {return 3.0/(8.0*sqrt(x)*x*x);}
00030 
00031 df1b2function1 ADf1b2_sqrt(::sqrt,::sqrt_m5,::sqrt_m32,::sqrt_m52,"sqrt");
00032 
00037 df1b2variable sqrt(const df1b2variable& x)
00038 {
00039   return ADf1b2_sqrt(x);
00040 }