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ASin.cc
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1// -*- C++ -*-
2// $Id: ASin.cc,v 1.4 2003/10/10 17:40:39 garren Exp $
6#include <assert.h>
7#include <cmath> // for asin()
8
9namespace Genfun {
11
13{}
14
17
18ASin::ASin(const ASin & right) : AbsFunction(right)
19{ }
20
21
22double ASin::operator() (double x) const {
23 return asin(x);
24}
25
26
27
28Derivative ASin::partial(unsigned int index) const {
29 assert(index==0);
30
31 Square square;
32 Sqrt root;
33
34 const AbsFunction & fPrime = 1.0/root(1.0-square) ;
35 return Derivative(& fPrime);
36}
37
38} // end namespace Genfun
#define FUNCTION_OBJECT_IMP(classname)
Derivative partial(unsigned int) const
Definition ASin.cc:28
virtual ~ASin()
Definition ASin.cc:15
virtual double operator()(double argument) const
Definition ASin.cc:22