Roland Conybeare
60f796b770
subrepo: subdir: "xo-unit" merged: "f1e698bf" upstream: origin: "git@github.com:Rconybea/xo-unit.git" branch: "main" commit: "f1e698bf" git-subrepo: version: "0.4.9" origin: "???" commit: "???"
31 lines
742 B
C++
31 lines
742 B
C++
/** @file ex7.cpp **/
|
|
|
|
#include "xo/unit/quantity.hpp"
|
|
#include "xo/unit/quantity_iostream.hpp"
|
|
#include <iostream>
|
|
|
|
int
|
|
main () {
|
|
using namespace xo::qty;
|
|
namespace u = xo::qty::u;
|
|
namespace q = xo::qty::qty;
|
|
using namespace std;
|
|
|
|
quantity qty1 = 7.55 * q::kilometer / q::minute / q::minute;
|
|
quantity qty2 = q::nanograms(123);
|
|
quantity qty3 = qty2 * qty1;
|
|
|
|
cerr << "qty1: " << qty1 << endl;
|
|
cerr << "qty2: " << qty2 << endl;
|
|
cerr << "qty3: " << qty3 << endl;
|
|
|
|
/* rescale to not-so-absurd units */
|
|
|
|
/* kg.m.s^-2 */
|
|
quantity res = qty3.rescale_ext<u::kilogram * u::meter / (u::second * u::second)>();
|
|
|
|
/* 2.57958e-10kg.m.s^-2 */
|
|
cerr << "res: " << res << endl;
|
|
}
|
|
|
|
/** end ex7.cpp */
|