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144 lines (96 loc) · 2.84 KB
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/**
* This file is part of the SparseMatrix library
*
* @license MIT
* @author Petr Kessler (https://kesspess.cz)
* @link https://github.com/uestla/Sparse-Matrix
*/
#include <string>
#include <iostream>
#include "../testslib.h"
#include "../SparseMatrixMock.h"
using namespace std;
string joinStrings(const string & a, const string & b)
{
string c = a;
if (a.length() && b.length()) {
c += " ";
}
c += b;
return c;
}
struct person
{
person(void) : firstname(""), lastname("")
{}
person(const person & p) : firstname(p.firstname), lastname(p.lastname)
{}
person(const string & f, const string & l) : firstname(f), lastname(l)
{}
bool operator == (const person & p) const
{
return this->firstname == p.firstname && this->lastname == p.lastname;
}
person operator + (const person & p) const
{
return person(joinStrings(this->firstname, p.firstname), joinStrings(this->lastname, p.lastname));
}
person operator - (const person & p) const
{
return person(p.lastname, this->lastname);
}
person operator * (const person & p) const
{
if (*this == person() || p == person()) {
return person();
}
return person(joinStrings(this->firstname, p.lastname), joinStrings(this->lastname, p.firstname));
}
string firstname, lastname;
};
ostream & operator << (ostream & os, const person & p)
{
os << p.firstname << ", " << p.lastname;
return os;
}
void testElementTypes(void)
{
cout << "custom element types..." << flush;
// addition
SparseMatrix<person> a(4, 5);
a.set(person("John", "Doe"), 3, 2);
SparseMatrix<person> b(4, 5);
b.set(person("Foo", "Bar"), 3, 2);
SparseMatrix<person> sum = a.add(b);
assertEquals<person>(person("John Foo", "Doe Bar"), sum.get(3, 2));
// subtraction
SparseMatrix<person> diff = a.subtract(b);
assertEquals<person>(person("Bar", "Doe"), diff.get(3, 2));
// matrix-matrix multiplication
SparseMatrix<person> c(5, 3);
c.set(person("Foo", "Bar"), 2, 3);
SparseMatrix<person> product = a.multiply(c);
for (int i = 1, rows = product.getRowCount(); i <= rows; i++) {
for (int j = 1, cols = product.getColumnCount(); j <= cols; j++) {
person value = product.get(i, j);
if (i == 3 && j == 3) {
assertEquals<person>(person("John Bar", "Doe Foo"), value);
} else {
assertEquals<person>(person(), value);
}
}
}
// vector-matrix multiplication
vector<person> people;
people.push_back(person("John", "Doe"));
people.push_back(person("Foo", "Bar"));
people.push_back(person("Willy", "Wonka"));
people.push_back(person("Jon", "Snow"));
people.push_back(person("Bridget", "Johnes"));
vector<person> result = a.multiply(people);
assertEquals<person>(person(), result[0]);
assertEquals<person>(person(), result[1]);
assertEquals<person>(person("John Bar", "Doe Foo"), result[2]);
assertEquals<person>(person(), result[3]);
cout << " OK" << endl;
}