![]() |
Prev | Next | CppAD_vector.cpp | Headings |
# include <cppad/vector.hpp>
# include <cppad/check_simple_vector.hpp>
# include <sstream> // sstream and string are used to test output operation
# include <string>
bool CppAD_vector(void)
{ bool ok = true;
using CppAD::vector; // so can use vector instead of CppAD::vector
typedef double Type; // change double to test other types
vector<Type> x; // default constructor
ok &= (x.size() == 0);
x.resize(2); // resize and set element assignment
ok &= (x.size() == 2);
x[0] = Type(0);
x[1] = Type(1);
vector<Type> y(2); // sizing constructor
ok &= (y.size() == 2);
const vector<Type> z(x); // copy constructor and const element access
ok &= (z.size() == 2);
ok &= ( (z[0] == Type(0)) && (z[1] == Type(1)) );
x[0] = Type(2); // modify, assignment changes x
ok &= (x[0] == Type(2));
x = y = z; // vector assignment
ok &= ( (x[0] == Type(0)) && (x[1] == Type(1)) );
ok &= ( (y[0] == Type(0)) && (y[1] == Type(1)) );
ok &= ( (z[0] == Type(0)) && (z[1] == Type(1)) );
// test of output
std::string correct= "{ 0, 1 }";
std::string str;
std::ostringstream buf;
buf << z;
str = buf.str();
ok &= (str == correct);
// test of push_back
size_t i;
x.resize(0);
for(i = 0; i < 100; i++)
x.push_back( Type(i) );
ok &= (x.size() == 100);
for(i = 0; i < 100; i++)
ok &= ( x[i] == Type(i) );
// check Simple Vector specifications
CppAD::CheckSimpleVector< Type, vector<Type> >();
return ok;
}