example1.cpp File Reference

#include <array>
#include <eigen3/Eigen/Geometry>
#include <iostream>
#include <type_traits>
#include <utility>
#include <vnix/units.hpp>

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Classes
class	vnix::mv::mref< T, S, N >
	Reference to column or row in matrix. More...
struct	vnix::mv::mat< T, NR, NC >
	Model of a matrix of quantities. More...

Namespaces
	vnix
	Thomas E. Vaughan's public software.
	vnix::mv

Typedefs
template<typename T , size_t NR>
using	vnix::mv::col = mat< T, NR, 1 >
	Model of column of quantities. More...
template<typename T , size_t NC>
using	vnix::mv::row = mat< T, 1, NC >
	Model of row of quantities. More...

Functions
template<typename T , typename OT , size_t N>
constexpr T	vnix::mv::cnv_el (array< OT, N > const &a, size_t i)
	Convert element i of array a from type OT to type T. More...
template<typename T , typename OT , size_t... i>
constexpr auto	vnix::mv::_cnv (array< OT, sizeof...(i)> const &a, index_sequence< i... >)
	Convert array of elements of type OT to array of elements of type T. More...
template<typename T , typename OT , size_t N>
constexpr auto	vnix::mv::cnv_ar (array< OT, N > const &a)
	Convert array of elements of type OT to array of elements of type T. More...
template<typename T1 , typename T2 , size_t S1, size_t S2, size_t N>
constexpr auto	vnix::mv::dot (mref< T1, S1, N > const &mr1, mref< T2, S2, N > const &mr2)
	Dot-product of two mrefs. More...
template<typename T1 , typename T2 , size_t NR1, size_t NC2, size_t N>
constexpr auto	vnix::mv::operator* (mat< T1, NR1, N > const &m1, mat< T2, N, NC2 > const &m2)
	Multiply two matrices. More...
template<typename T1 , typename T2 , size_t NR2, size_t NC2>
constexpr auto	vnix::mv::operator* (T1 const &s1, mat< T2, NR2, NC2 > const &m2)
	Multiply matrix on left by scalar. More...
template<typename T , size_t NR, size_t NC>
ostream &	vnix::mv::operator<< (ostream &os, mat< T, NR, NC > const &m)
	Print matrix. More...
int	main ()

Function Documentation

int main

(

)

Definition at line 171 of file example1.cpp.

           {
  try {
    using namespace vnix::mv;
    mat<float, 3, 3> m1;
    m1.row(0) = {1, 2, 3};
    m1.row(1) = {4, 5, 6};
    m1.row(2) = {7, 8, 9};
    col<double, 3> v({0.3, 0.2, 0.1});
    auto           f = vnix::units::newtons(m1);
    auto           d = vnix::units::kilometers(v);
    cout << (f * d) << endl;
  } catch (char const *e) { cerr << e << endl; }

  cout << endl;

  try {
    using namespace vnix::mv;
    using namespace vnix::units::flt;
    force            foo;
    mat<force, 3, 3> f2;
    f2.row(0) = {1.0_N, 2.0_N, 3.0_N};
    f2.row(1) = {4.0_N, 5.0_N, 6.0_N};
    f2.row(2) = {7.0_N, 8.0_N, 9.0_N};
    col<length, 3> d2({0.3_km, 0.2_km, 0.1_km});
    cout << (f2 * d2) << endl;
  } catch (char const *e) { cerr << e << endl; }

  cout << endl;

  try {
    using namespace Eigen;
    using namespace vnix::units;
    using namespace vnix::units::flt;
    AngleAxisf r(M_PI / 6, Vector3f(0, 0, 1));
    auto       f = newtons(Vector3f(1, 0, 0));
    auto       d = meters(Vector3f(0, 1, 0));
    auto       v = d / (2.5_s);
    flt::time  t = 3.0_s;
    cout << (r.toRotationMatrix() * f).cross(d + v * t) << endl;
  } catch (char const *e) { cerr << e << endl; }

  return 0;
}

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