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pow() and sqrt() for quantities support added

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Mateusz Pusz
2019-09-18 17:07:35 -06:00
parent 021df4a46f
commit 2d74b72893
3 changed files with 97 additions and 4 deletions
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test/unit_test/test_custom_units.cpp
+5 -4
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@@ -22,7 +22,7 @@
#include <units/dimensions/voltage.h>
#include <units/dimensions/frequency.h>
#include <units/math.h>
/* ************** DERIVED DIMENSIONS THAT INCLUDE UNITS WITH SPECIAL NAMES **************** */
@@ -68,11 +68,11 @@ namespace {
using namespace stde::units;
// power spectral density
struct power_spectral_density : make_dimension_t<exp<voltage, 2>, exp<frequency, -1>> {};
struct power_spectral_density : make_dimension_t<units::exp<voltage, 2>, units::exp<frequency, -1>> {};
struct sq_volt_per_hertz : unit<power_spectral_density> {};
// amplitude spectral density
struct amplitude_spectral_density : make_dimension_t<exp<voltage, 1>, exp<frequency, -1, 2>> {};
struct amplitude_spectral_density : make_dimension_t<units::exp<voltage, 1>, units::exp<frequency, -1, 2>> {};
// todo: add support for derived_unit
//struct volt_per_sq_hertz : derived_unit<amplitude_spectral_density, kilogram, metre, second, ampere> {};
struct volt_per_sqrt_hertz : unit<amplitude_spectral_density> {};
@@ -93,6 +93,7 @@ namespace {
static_assert(std::is_same_v<dimension_sqrt_t<power_spectral_density>, amplitude_spectral_density>);
static_assert(std::is_same_v<dimension_pow_t<amplitude_spectral_density, 2>, power_spectral_density>);
//static_assert(sqrt(quantity<sq_volt_per_hertz>(4)) = quantity<volt_per_sqrt_hertz>(2));
static_assert(std::is_same_v<decltype(pow<2>(quantity<volt_per_sqrt_hertz>(4))), decltype(quantity<sq_volt_per_hertz>(16))>);
static_assert(std::is_same_v<decltype(sqrt(quantity<sq_volt_per_hertz>(16))), decltype(quantity<volt_per_sqrt_hertz>(4))>);
}