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xo-unit: multiply, volatility units, share operators

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This commit is contained in:
Roland Conybeare 2024-05-01 23:04:14 -04:00
commit eb63f5fdc8
6 changed files with 212 additions and 47 deletions
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57
utest/quantity.test.cpp
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@ -314,6 +314,63 @@ namespace xo {
REQUIRE(tostr(yr365) == "1yr365");
} /*TEST_CASE(quantity.time)*/
TEST_CASE("quantity.mult", "[quantity.mult]") {
constexpr auto pg = qty::picograms(1.0);
constexpr auto ng = qty::nanograms(1.0);
constexpr auto ug = qty::micrograms(1.0);
constexpr auto ng_in_pg = ng.rescale<pg.unit()>();
static_assert(ng_in_pg.scale() == 1000);
static_assert(ng_in_pg == pg * 1000);
/* multiplication by dimensionless values is constexpr in c++23
* comparison in not constexpr until c++26
*/
/* picograms:nanograms */
static_assert(pg * 1000 == ng);
REQUIRE(pg * 1000 == ng);
static_assert(1000 * pg == ng);
REQUIRE(1000 * pg == ng);
static_assert(ng * 0.001 == pg);
REQUIRE(ng * 0.001 == pg);
static_assert(0.001 * ng == pg);
REQUIRE(0.001 * ng == pg);
/* picograms:micrograms */
static_assert(pg * 1e6 == ug);
REQUIRE(pg * 1e6 == ug);
static_assert(1e6 * pg == ug);
REQUIRE(1e6 * pg == ug);
static_assert(ug * 1e-6 == pg);
REQUIRE(ug * 1e-6 == pg);
static_assert(1e-6 * ug == pg);
REQUIRE(1e-6 * ug == pg);
/* nanograms:micrograms */
static_assert(ng * 1e3 == ug);
REQUIRE(ng * 1e3 == ug);
static_assert(1e3 * ng == ug);
REQUIRE(1e3 * ng == ug);
static_assert(ug * 1e-3 == ng);
REQUIRE(ug * 1e-3 == ng);
static_assert(1e-3 * ug == ng);
REQUIRE(1e-3 * ug == ng);
// /* picograms:milligrams */
// /* nanograms:milligrams */
// /* micrograms:milligrams */
// /* picograms:grams */
// /* nanograms:grams */
// /* micrograms:grams */
// /* milligrams:grams */
} /*TEST_CASE(quantity.mult)*/
} /*namespace qty*/
} /*namespace xo*/