Files
mp-units/test/unit_test/static/cgs_test.cpp
T
Chip Hogg 78bcb3b019 Remove troublesome ::ratio members
For some reason, MSVC seems to want to instantiate these, even though
nobody ever asks for them (as evidenced by the fact that the builds
passed on other architectures).
2022-04-12 00:35:17 +00:00

104 lines
3.4 KiB
C++

// The MIT License (MIT)
//
// Copyright (c) 2018 Mateusz Pusz
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#include <units/bits/unit_text.h>
#include <units/concepts.h>
#include <units/isq/si/cgs/cgs.h>
#include <units/unit.h>
namespace {
using namespace units;
using namespace units::isq::si::cgs;
/* ************** BASE DIMENSIONS **************** */
// length
static_assert(centimetre::symbol == "cm");
// mass
// time
/* ************** DERIVED DIMENSIONS IN TERMS OF BASE UNITS **************** */
// speed
static_assert((10_q_cm / 5_q_s).number() == 2);
static_assert((2_q_cm_per_s).number() == 2);
static_assert(10_q_cm / 5_q_s == 2_q_cm_per_s);
static_assert(10_q_cm / 2_q_cm_per_s == 5_q_s);
static_assert(10_q_cm == 2_q_cm_per_s * 5_q_s);
static_assert(detail::unit_text<dim_speed, centimetre_per_second>() == "cm/s");
// area
static_assert(as_ratio(centimetre::mag / dimension_unit<dim_length>::mag) == ratio(1));
static_assert((1_q_cm * 1_q_cm).number() == 1);
static_assert((1_q_cm2).number() == 1);
static_assert(1_q_cm * 1_q_cm == 1_q_cm2);
static_assert(100_q_cm * 100_q_cm == area<isq::si::square_metre>(1));
static_assert(100_q_cm * 100_q_cm == length<isq::si::metre>(1) * length<isq::si::metre>(1));
static_assert(100_q_cm2 / 10_q_cm == 10_q_cm);
static_assert(detail::unit_text<dim_area, square_centimetre>() == basic_symbol_text("cm²", "cm^2"));
/* ************** DERIVED DIMENSIONS WITH NAMED UNITS **************** */
// acceleration
static_assert(10_q_cm_per_s / 10_q_s == 1_q_Gal);
static_assert(10_q_cm_per_s / 1_q_Gal == 10_q_s);
static_assert(1_q_Gal * 10_q_s == 10_q_cm_per_s);
// force
static_assert(10_q_g * 10_q_Gal == 100_q_dyn);
static_assert(100_q_dyn / 10_q_g == 10_q_Gal);
static_assert(100_q_dyn / 10_q_Gal == 10_q_g);
// pressure
static_assert(10_q_dyn / 10_q_cm2 == 1_q_Ba);
static_assert(10_q_dyn / 1_q_Ba == 10_q_cm2);
static_assert(1_q_Ba * 10_q_cm2 == 10_q_dyn);
// energy
static_assert(10_q_dyn * 10_q_cm == 100_q_erg);
static_assert(100_q_erg / 10_q_cm == 10_q_dyn);
static_assert(100_q_erg / 10_q_dyn == 10_q_cm);
/* ************** DERIVED DIMENSIONS IN TERMS OF OTHER UNITS **************** */
// power
static_assert(10_q_erg / 10_q_s == 1_q_erg_per_s);
static_assert(1_q_erg_per_s * 10_q_s == 10_q_erg);
static_assert(10_q_erg / 1_q_erg_per_s == 10_q_s);
static_assert(detail::unit_text<dim_power, erg_per_second>() == "erg/s");
} // namespace