devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

merge

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

7
unsupported/test/FFT.cpp
View File

@@ -45,13 +45,10 @@ complex<long double> promote(long double x) { return complex<long double>( x);
long double totalpower=0;
long double difpower=0;
cerr <<"idx\ttruth\t\tvalue\t|dif|=\n";
long double pi = acos((long double)-1);
for (size_t k0=0;k0<size_t(fftbuf.size());++k0) {
complex<long double> acc = 0;
#ifdef _GNU_SOURCE
long double phinc = -2.*k0* M_PIl / timebuf.size();
#else
long double phinc = -2.*k0* M_PI / timebuf.size();
#endif
long double phinc = -2.*k0* pi / timebuf.size();
for (size_t k1=0;k1<size_t(timebuf.size());++k1) {
acc += promote( timebuf[k1] ) * exp( complex<long double>(0,k1*phinc) );
}

3
unsupported/test/FFTW.cpp
View File

@@ -45,10 +45,11 @@ complex<long double> promote(long double x) { return complex<long double>( x);
{
long double totalpower=0;
long double difpower=0;
long double pi = acos((long double)-1 );
cerr <<"idx\ttruth\t\tvalue\t|dif|=\n";
for (size_t k0=0;k0<fftbuf.size();++k0) {
complex<long double> acc = 0;
long double phinc = -2.*k0* M_PIl / timebuf.size();
long double phinc = -2.*k0* pi / timebuf.size();
for (size_t k1=0;k1<timebuf.size();++k1) {
acc += promote( timebuf[k1] ) * exp( complex<long double>(0,k1*phinc) );
}

12
unsupported/test/autodiff.cpp
View File

@@ -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()