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This commit is contained in:
Gael Guennebaud
2009-12-04 12:40:29 +01:00
parent 7aad434160 ffaea19a70
commit ea684af6b4
7 changed files with 20 additions and 19 deletions
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12
unsupported/test/autodiff.cpp
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@@ -31,7 +31,7 @@ EIGEN_DONT_INLINE Scalar foo(const Scalar& x, const Scalar& y)
// return x+std::sin(y);
EIGEN_ASM_COMMENT("mybegin");
return static_cast<Scalar>(x*2 - std::pow(x,2) + 2*std::sqrt(y*y) - 4 * std::sin(x) + 2 * std::cos(y) - std::exp(-0.5*x*x));
// return y/x;// - y*2;
// return x - y;//x*2 -std::pow(x,2);//(2*y/x);// - y*2;
EIGEN_ASM_COMMENT("myend");
}
@@ -137,10 +137,12 @@ template<typename Func> void forward_jacobian(const Func& f)
void test_autodiff_scalar()
{
std::cerr << foo<float>(1,2) << "\n";
AutoDiffScalar<Vector2f> ax(1,Vector2f::UnitX());
AutoDiffScalar<Vector2f> ay(2,Vector2f::UnitY());
std::cerr << foo<AutoDiffScalar<Vector2f> >(ax,ay).value() << " <> "
<< foo<AutoDiffScalar<Vector2f> >(ax,ay).derivatives().transpose() << "\n\n";
typedef AutoDiffScalar<Vector2f> AD;
AD ax(1,Vector2f::UnitX());
AD ay(2,Vector2f::UnitY());
foo<AD>(ax,ay);
std::cerr << foo<AD>(ax,ay).value() << " <> "
<< foo<AD>(ax,ay).derivatives().transpose() << "\n\n";
}
void test_autodiff_jacobian()