32 lines
787 B
C++
32 lines
787 B
C++
/** @file ex7.cpp **/
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#include "xo/unit/quantity.hpp"
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#include "xo/unit/quantity_iostream.hpp"
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#include <iostream>
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int
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main () {
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//namespace u = xo::unit::units;
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using namespace xo::qty;
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//namespace su = xo::qty::su;
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namespace q = xo::qty::qty;
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using namespace std;
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quantity qty1 = 7.55 * q::kilometer / q::minute / q::minute;
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quantity qty2 = q::nanograms(123);
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quantity qty3 = qty2 * qty1;
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cerr << "qty1: " << qty1 << endl;
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cerr << "qty2: " << qty2 << endl;
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cerr << "qty3: " << qty3 << endl;
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/* rescale to not-so-absurd units */
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/* kg.m.s^-2 */
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quantity res = qty3.rescale_ext<su::kilogram * su::meter / (su::second * su::second)>();
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/* 2.57958e-10kg.m.s^-2 */
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cerr << "res: " << res << endl;
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}
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/** end ex7.cpp */
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