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xo-unit: + abbrevs

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This commit is contained in:
Roland Conybeare 2024-04-22 14:54:28 -04:00
commit ce9df76a3d
4 changed files with 991 additions and 197 deletions
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utest/unit.test.cpp
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@ -1,14 +1,21 @@
/* @file dimension.test.cpp */
#include "xo/unit/unit.hpp"
#include "xo/unit/Quantity2_iostream.hpp"
#include "xo/unit/Quantity2.hpp"
#include "xo/unit/scaled_unit_iostream.hpp"
#include "xo/unit/natural_unit.hpp"
#include "xo/unit/natural_unit_iostream.hpp"
#include "xo/unit/bpu_store.hpp"
#include "xo/unit/native_bpu2.hpp"
#include "xo/unit/native_bpu2_iostream.hpp"
#include "xo/unit/basis_unit2.hpp"
#include "xo/unit/dim_util2.hpp"
#include "xo/reflect/Reflect.hpp"
#include "xo/cxxutil/demangle.hpp"
//#include "xo/cxxutil/demangle.hpp"
#include "xo/indentlog/scope.hpp"
#include "xo/indentlog/print/tag.hpp"
#include <catch2/catch.hpp>
#include <iostream>
namespace xo {
namespace ut {
@ -16,6 +23,9 @@ namespace xo {
using xo::reflect::Reflect;
namespace su2 = xo::unit::su2;
using xo::unit::Quantity2;
using xo::unit::dim;
using xo::unit::basis_unit2_abbrev_type;
using xo::unit::native_unit2;
@ -23,7 +33,20 @@ namespace xo {
using xo::unit::scalefactor_ratio_type;
using xo::unit::units::scaled_native_unit2_abbrev;
using xo::unit::units::scaled_native_unit2_abbrev_v;
using xo::unit::basis_unit2;
using xo::unit::abbrev::basis_unit2_abbrev;;
using xo::unit::bpu2_abbrev_type;
using xo::unit::abbrev::bpu2_abbrev;
using xo::unit::basis_unit2_store;
using xo::unit::power_ratio_type;
using xo::unit::abbrev::flatstring_from_exponent;
using xo::unit::bpu2;
using xo::unit::detail::bpu2_rescale;
using xo::unit::detail::bpu2_product;
using xo::unit::natural_unit;
using xo::unit::bpu_array_maker;
using xo::unit::detail::nu_product;
using xo::unit::unit_qty;
using xo::unit::native_unit_abbrev_v;
using xo::unit::units::scaled_native_unit_abbrev_v;
@ -84,6 +107,76 @@ namespace xo {
static_assert(native_unit2_v[static_cast<int>(dim::currency)].native_dim() == dim::currency);
static_assert(native_unit2_v[static_cast<int>(dim::price)].native_dim() == dim::price);
log && log(xtag("mass*10^3", basis_unit2_abbrev(dim::mass, scalefactor_ratio_type(1000, 1))));
static_assert(basis_unit2_abbrev(dim::mass, scalefactor_ratio_type(1000, 1))
== basis_unit2_abbrev_type::from_chars("kg"));
log && log("---------------------");
static_assert(basis_unit2(dim::mass, scalefactor_ratio_type(1, 1000000000)).abbrev()
== basis_unit2_abbrev_type::from_chars("ng"));
static_assert(basis_unit2(dim::mass, scalefactor_ratio_type(1, 1000000)).abbrev()
== basis_unit2_abbrev_type::from_chars("ug"));
static_assert(basis_unit2(dim::mass, scalefactor_ratio_type(1, 1000)).abbrev()
== basis_unit2_abbrev_type::from_chars("mg"));
static_assert(basis_unit2(dim::mass, scalefactor_ratio_type(1, 1)).abbrev()
== basis_unit2_abbrev_type::from_chars("g"));
static_assert(basis_unit2(dim::mass, scalefactor_ratio_type(1000, 1)).abbrev()
== basis_unit2_abbrev_type::from_chars("kg"));
static_assert(basis_unit2(dim::mass, scalefactor_ratio_type(1000000, 1)).abbrev()
== basis_unit2_abbrev_type::from_chars("t"));
static_assert(basis_unit2(dim::mass, scalefactor_ratio_type(1000000000, 1)).abbrev()
== basis_unit2_abbrev_type::from_chars("kt"));
log && log(xtag("distance", basis_unit2_abbrev(dim::distance, scalefactor_ratio_type(1, 1))));
static_assert(basis_unit2(dim::distance, scalefactor_ratio_type(1, 1000000000)).abbrev()
== basis_unit2_abbrev_type::from_chars("nm"));
static_assert(basis_unit2(dim::distance, scalefactor_ratio_type(1, 1000000)).abbrev()
== basis_unit2_abbrev_type::from_chars("um"));
static_assert(basis_unit2(dim::distance, scalefactor_ratio_type(1, 1000)).abbrev()
== basis_unit2_abbrev_type::from_chars("mm"));
static_assert(basis_unit2(dim::distance, scalefactor_ratio_type(1, 1)).abbrev()
== basis_unit2_abbrev_type::from_chars("m"));
static_assert(basis_unit2(dim::distance, scalefactor_ratio_type(1000, 1)).abbrev()
== basis_unit2_abbrev_type::from_chars("km"));
static_assert(basis_unit2(dim::distance, scalefactor_ratio_type(1000000, 1)).abbrev()
== basis_unit2_abbrev_type::from_chars("Mm"));
static_assert(basis_unit2(dim::distance, scalefactor_ratio_type(1000000000, 1)).abbrev()
== basis_unit2_abbrev_type::from_chars("Gm"));
log && log(xtag("time", basis_unit2_abbrev(dim::time, scalefactor_ratio_type(1, 1))));
static_assert(basis_unit2(dim::time, scalefactor_ratio_type(1, 1000000000)).abbrev()
== basis_unit2_abbrev_type::from_chars("ns"));
static_assert(basis_unit2(dim::time, scalefactor_ratio_type(1, 1000000)).abbrev()
== basis_unit2_abbrev_type::from_chars("us"));
static_assert(basis_unit2(dim::time, scalefactor_ratio_type(1, 1000000)).abbrev()
== basis_unit2_abbrev_type::from_chars("us"));
static_assert(basis_unit2(dim::time, scalefactor_ratio_type(1, 1000)).abbrev()
== basis_unit2_abbrev_type::from_chars("ms"));
static_assert(basis_unit2(dim::time, scalefactor_ratio_type(1, 1)).abbrev()
== basis_unit2_abbrev_type::from_chars("s"));
static_assert(basis_unit2(dim::time, scalefactor_ratio_type(60, 1)).abbrev()
== basis_unit2_abbrev_type::from_chars("min"));
static_assert(basis_unit2(dim::time, scalefactor_ratio_type(3600, 1)).abbrev()
== basis_unit2_abbrev_type::from_chars("hr"));
static_assert(basis_unit2(dim::time, scalefactor_ratio_type(24*3600, 1)).abbrev()
== basis_unit2_abbrev_type::from_chars("dy"));
static_assert(basis_unit2(dim::time, scalefactor_ratio_type(7*24*3600, 1)).abbrev()
== basis_unit2_abbrev_type::from_chars("wk"));
static_assert(basis_unit2(dim::time, scalefactor_ratio_type(30*24*3600, 1)).abbrev()
== basis_unit2_abbrev_type::from_chars("mo"));
static_assert(basis_unit2(dim::time, scalefactor_ratio_type(250*24*3600, 1)).abbrev()
== basis_unit2_abbrev_type::from_chars("yr250"));
static_assert(basis_unit2(dim::time, scalefactor_ratio_type(360*24*3600, 1)).abbrev()
== basis_unit2_abbrev_type::from_chars("yr360"));
static_assert(basis_unit2(dim::time, scalefactor_ratio_type(365*24*3600, 1)).abbrev()
== basis_unit2_abbrev_type::from_chars("yr365"));
log && log("---------------------");
log && log(xtag("mass*10^-9", scaled_native_unit2_abbrev_v<dim::mass, 1, 1000000000>));
log && log(xtag("mass*10^-6", scaled_native_unit2_abbrev_v<dim::mass, 1, 1000000>));
log && log(xtag("mass*10^-3", scaled_native_unit2_abbrev_v<dim::mass, 1, 1000>));
@ -122,7 +215,7 @@ namespace xo {
} /*TEST_CASE(basis_unit2)*/
TEST_CASE("basis_unit2_store", "[basis_unit2_store]") {
constexpr bool c_debug_flag = true;
constexpr bool c_debug_flag = false;
// can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx;
@ -160,45 +253,112 @@ namespace xo {
log && log(xtag("time*360*24*3600", bu_store.bu_abbrev(dim::time, scalefactor_ratio_type(360*24*3600, 1))));
log && log(xtag("time*365*24*3600", bu_store.bu_abbrev(dim::time, scalefactor_ratio_type(365*24*3600, 1))));
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::mass, scalefactor_ratio_type( 1, 1000000000)).c_str(), "ng") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::mass, scalefactor_ratio_type( 1, 1000000)).c_str(), "ug") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::mass, scalefactor_ratio_type( 1, 1000)).c_str(), "mg") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::mass, scalefactor_ratio_type( 1, 1)).c_str(), "g") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::mass, scalefactor_ratio_type( 1000, 1)).c_str(), "kg") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::mass, scalefactor_ratio_type( 1000000, 1)).c_str(), "t") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::mass, scalefactor_ratio_type( 1000000000, 1)).c_str(), "kt") == 0);
#ifdef NOT_USING
log && log(xtag("mass*10^-9", scaled_native_unit2_abbrev_v<dim::mass, 1, 1000000000>));
log && log(xtag("mass*10^-6", scaled_native_unit2_abbrev_v<dim::mass, 1, 1000000>));
log && log(xtag("mass*10^-3", scaled_native_unit2_abbrev_v<dim::mass, 1, 1000>));
log && log(xtag("mass", scaled_native_unit2_abbrev_v<dim::mass>));
log && log(xtag("mass*10^3", scaled_native_unit2_abbrev_v<dim::mass, 1000, 1>));
log && log(xtag("mass*10^6", scaled_native_unit2_abbrev_v<dim::mass, 1000000, 1>));
log && log(xtag("mass*10^9", scaled_native_unit2_abbrev_v<dim::mass, 1000000000, 1>));
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::distance, scalefactor_ratio_type( 1, 1000000000)).c_str(), "nm") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::distance, scalefactor_ratio_type( 1, 1000000)).c_str(), "um") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::distance, scalefactor_ratio_type( 1, 1000)).c_str(), "mm") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::distance, scalefactor_ratio_type( 1, 1)).c_str(), "m") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::distance, scalefactor_ratio_type( 1000, 1)).c_str(), "km") == 0);
log && log(xtag("distance*10^-9", scaled_native_unit2_abbrev_v<dim::distance, 1, 1000000000>));
log && log(xtag("distance*10^-6", scaled_native_unit2_abbrev_v<dim::distance, 1, 1000000>));
log && log(xtag("distance*10^-3", scaled_native_unit2_abbrev_v<dim::distance, 1, 1000>));
log && log(xtag("distance", scaled_native_unit2_abbrev_v<dim::distance>));
log && log(xtag("distance*10^3", scaled_native_unit2_abbrev_v<dim::distance, 1000, 1>));
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::time, scalefactor_ratio_type( 1, 1000000000)).c_str(), "ns") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::time, scalefactor_ratio_type( 1, 1000000)).c_str(), "us") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::time, scalefactor_ratio_type( 1, 1000)).c_str(), "ms") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::time, scalefactor_ratio_type( 1, 1)).c_str(), "s") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::time, scalefactor_ratio_type( 60, 1)).c_str(), "min") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::time, scalefactor_ratio_type( 3600, 1)).c_str(), "hr") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::time, scalefactor_ratio_type( 24*3600, 1)).c_str(), "dy") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::time, scalefactor_ratio_type(250*24*3600, 1)).c_str(), "yr250") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::time, scalefactor_ratio_type(360*24*3600, 1)).c_str(), "yr360") == 0);
REQUIRE(::strcmp(bu_store.bu_abbrev(dim::time, scalefactor_ratio_type(365*24*3600, 1)).c_str(), "yr365") == 0);
log && log(xtag("time*10^-9", scaled_native_unit2_abbrev_v<dim::time, 1, 1000000000>));
log && log(xtag("time*10^-6", scaled_native_unit2_abbrev_v<dim::time, 1, 1000000>));
log && log(xtag("time*10^-3", scaled_native_unit2_abbrev_v<dim::time, 1, 1000>));
log && log(xtag("time", scaled_native_unit2_abbrev_v<dim::time>));
log && log(xtag("time*60", scaled_native_unit2_abbrev_v<dim::time, 60, 1>));
log && log(xtag("time*3600", scaled_native_unit2_abbrev_v<dim::time, 3600, 1>));
log && log(xtag("time*24*3600", scaled_native_unit2_abbrev_v<dim::time, 24*3600, 1>));
log && log(xtag("time*250*24*3600", scaled_native_unit2_abbrev_v<dim::time, 250*24*3600, 1>));
log && log(xtag("time*360*24*3600", scaled_native_unit2_abbrev_v<dim::time, 360*24*3600, 1>));
log && log(xtag("time*365*24*3600", scaled_native_unit2_abbrev_v<dim::time, 365*24*3600, 1>));
log && log(xtag("currency", scaled_native_unit2_abbrev_v<dim::currency>));
log && log(xtag("price", scaled_native_unit2_abbrev_v<dim::price>));
REQUIRE(xo::unit::units::scaled_native_unit2_abbrev<dim::mass>::value == xo::flatstring("g"));
/* proof that scaled_native_unit2_abbrev::value is constexpr */
static_assert(scaled_native_unit2_abbrev_v<dim::mass>
== basis_unit2_abbrev_type::from_flatstring(xo::flatstring("g")));
#endif
} /*TEST_CASE(basis_unit2_store)*/
TEST_CASE("flatstring_from_exponent", "[flatstring_from_exponent]") {
constexpr bool c_debug_flag = false;
// can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx;
//rng::Seed<xoshio256ss> seed;
//auto rng = xo::rng::xoshiro256ss(seed);
scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.flatstring_from_exponent"));
//log && log("(A)", xtag("foo", foo));
log && log(xtag("^-3", flatstring_from_exponent(-3,1)));
log && log(xtag("^-2", flatstring_from_exponent(-2,1)));
log && log(xtag("^-1", flatstring_from_exponent(-1,1)));
log && log(xtag("^-1/2", flatstring_from_exponent(-1,2)));
log && log(xtag("^0", flatstring_from_exponent(0,1)));
log && log(xtag("^1/2", flatstring_from_exponent(1,2)));
log && log(xtag("^1", flatstring_from_exponent(1,1)));
log && log(xtag("^2", flatstring_from_exponent(2,1)));
log && log(xtag("^3", flatstring_from_exponent(3,1)));
static_assert(flatstring<5>::from_flatstring(flatstring_from_exponent(-3,1))
== flatstring<5>::from_flatstring(flatstring("^-3")));
static_assert(flatstring<5>::from_flatstring(flatstring_from_exponent(-2,1))
== flatstring<5>::from_flatstring(flatstring("^-2")));
static_assert(flatstring<5>::from_flatstring(flatstring_from_exponent(-1,1))
== flatstring<5>::from_flatstring(flatstring("^-1")));
static_assert(flatstring<5>::from_flatstring(flatstring_from_exponent(-1,2))
== flatstring<5>::from_flatstring(flatstring("^(-1/2)")));
static_assert(flatstring<5>::from_flatstring(flatstring_from_exponent(1,2))
== flatstring<5>::from_flatstring(flatstring("^(1/2)")));
static_assert(flatstring<5>::from_flatstring(flatstring_from_exponent(1,1))
== flatstring<5>::from_flatstring(flatstring("")));
static_assert(flatstring<5>::from_flatstring(flatstring_from_exponent(2,1))
== flatstring<5>::from_flatstring(flatstring("^2")));
static_assert(flatstring<5>::from_flatstring(flatstring_from_exponent(3,1))
== flatstring<5>::from_flatstring(flatstring("^3")));
} /*TEST_CASE(flatstring_from_exponent)*/
TEST_CASE("bpu2_abbrev", "[bpu2_abbrev]") {
constexpr bool c_debug_flag = true;
// can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx;
//rng::Seed<xoshio256ss> seed;
//auto rng = xo::rng::xoshiro256ss(seed);
scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.bpu2_assemble_abbrev"));
//log && log("(A)", xtag("foo", foo));
log && log(xtag("1/(kg*kg)", bpu2_abbrev(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(-2, 1))));
log && log(xtag("1/kg", bpu2_abbrev(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(-1, 1))));
log && log(xtag("kg", bpu2_abbrev(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(1, 1))));
log && log(xtag("kg*kg", bpu2_abbrev(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(2, 1))));
static_assert(bpu2<int64_t>(dim::mass, scalefactor_ratio_type(1, 1), power_ratio_type(1, 1)).abbrev()
== bpu2_abbrev_type::from_chars("g"));
static_assert(bpu2<int64_t>(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(1, 1)).abbrev()
== bpu2_abbrev_type::from_chars("kg"));
static_assert(bpu2<int64_t>(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(-1, 1)).abbrev()
== bpu2_abbrev_type::from_chars("kg^-1"));
static_assert(bpu2<int64_t>(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(-2, 1)).abbrev()
== bpu2_abbrev_type::from_chars("kg^-2"));
static_assert(bpu2<int64_t>(dim::time, scalefactor_ratio_type(60, 1), power_ratio_type(-2, 1)).abbrev()
== bpu2_abbrev_type::from_chars("min^-2"));
static_assert(bpu2<int64_t>(dim::time, scalefactor_ratio_type(3600, 1), power_ratio_type(-1, 1)).abbrev()
== bpu2_abbrev_type::from_chars("hr^-1"));
static_assert(bpu2<int64_t>(dim::time, scalefactor_ratio_type(24*3600, 1), power_ratio_type(-1, 1)).abbrev()
== bpu2_abbrev_type::from_chars("dy^-1"));
static_assert(bpu2<int64_t>(dim::time, scalefactor_ratio_type(360*24*3600, 1), power_ratio_type(-1, 1)).abbrev()
== bpu2_abbrev_type::from_chars("yr360^-1"));
static_assert(bpu2<int64_t>(dim::time, scalefactor_ratio_type(360*24*3600, 1), power_ratio_type(-1, 2)).abbrev()
== bpu2_abbrev_type::from_chars("yr360^(-1/2)"));
} /*TEST_CASE(bpu2_abbrev)*/
TEST_CASE("native_unit_abbrev", "[native_dim_abbrev]") {
constexpr bool c_debug_flag = true;
@ -318,9 +478,534 @@ namespace xo {
} /*TEST_CASE(native_dim_abbrev)*/
TEST_CASE("dimension", "[dimension]") {
TEST_CASE("bpu_rescale", "[bpu_rescale]") {
constexpr bool c_debug_flag = true;
// can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx;
//rng::Seed<xoshio256ss> seed;
//auto rng = xo::rng::xoshiro256ss(seed);
scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.bpu_rescale"));
//log && log("(A)", xtag("foo", foo));
/* keep spelled-out test. Will generalize to fractional powers when c++26 available */
{
constexpr auto p = power_ratio_type(1, 1);
constexpr auto orig_bpu = bpu2<int64_t>(dim::mass,
scalefactor_ratio_type(1000, 1),
power_ratio_type(1, 1));
static_assert(orig_bpu.native_dim() == dim::mass);
constexpr auto new_scalefactor = scalefactor_ratio_type(1000000, 1);
constexpr auto mult = orig_bpu.scalefactor() / new_scalefactor;
static_assert(mult.num() == 1);
static_assert(mult.den() == 1000);
constexpr auto p_floor = orig_bpu.power().floor();
static_assert(p_floor == 1);
constexpr auto p_frac = orig_bpu.power().frac().template to<double>();
static_assert(p_frac == 0.0);
constexpr auto outer_sf_exact = mult.power(p_floor);
static_assert(outer_sf_exact.num() == 1);
static_assert(outer_sf_exact.den() == 1000);
constexpr auto mult_inexact = mult.template to<double>();
static_assert(mult_inexact == 0.001);
constexpr auto rr = bpu2_rescale<int64_t>(orig_bpu, scalefactor_ratio_type(1000000, 1));
static_assert(rr.bpu_rescaled_.power() == power_ratio_type(1,1));
static_assert(rr.outer_scale_exact_ == outer_sf_exact);
static_assert(rr.outer_scale_sq_ == 1.0);
}
/* keep spelled-out test. Will generalize to other fractional powers when c++26 available */
{
constexpr auto p = power_ratio_type(-1, 2);
constexpr auto orig_bpu = bpu2<int64_t>(dim::time,
scalefactor_ratio_type(360*24*3600, 1),
power_ratio_type(-1, 2));
static_assert(orig_bpu.native_dim() == dim::time);
constexpr auto new_scalefactor = scalefactor_ratio_type(30*24*3600, 1);
constexpr auto mult = orig_bpu.scalefactor() / new_scalefactor;
log && log(xtag("mult", mult));
static_assert(mult.num() == 12);
static_assert(mult.den() == 1);
constexpr auto p_floor = orig_bpu.power().floor();
static_assert(p_floor == 0);
constexpr auto p_frac = orig_bpu.power().frac().template to<double>();
static_assert(p_frac == -0.5);
constexpr auto outer_sf_exact = mult.power(p_floor);
static_assert(outer_sf_exact.num() == 1);
static_assert(outer_sf_exact.den() == 1);
constexpr auto mult_inexact = mult.template to<double>();
static_assert(mult_inexact == 12.0);
constexpr auto rr = bpu2_rescale<int64_t>(orig_bpu, scalefactor_ratio_type(30*24*3600, 1));
log && log(xtag("rr.outer_scale_exact", rr.outer_scale_exact_),
xtag("rr.outer_scale_sq", rr.outer_scale_sq_));
static_assert(rr.bpu_rescaled_.power() == power_ratio_type(-1,2));
static_assert(rr.outer_scale_exact_ == outer_sf_exact);
static_assert(rr.outer_scale_sq_ == 12.0);
}
/* keep spelled-out test. Will generalize to other fractional powers when c++26 available */
{
constexpr auto p = power_ratio_type(-3, 2);
constexpr auto orig_bpu = bpu2<int64_t>(dim::time,
scalefactor_ratio_type(360*24*3600, 1),
power_ratio_type(-3, 2));
static_assert(orig_bpu.native_dim() == dim::time);
constexpr auto new_scalefactor = scalefactor_ratio_type(30*24*3600, 1);
constexpr auto mult = orig_bpu.scalefactor() / new_scalefactor;
log && log(xtag("mult", mult));
static_assert(mult.num() == 12);
static_assert(mult.den() == 1);
constexpr auto p_floor = orig_bpu.power().floor();
static_assert(p_floor == -1);
constexpr auto p_frac = orig_bpu.power().frac().template to<double>();
static_assert(p_frac == -0.5);
constexpr auto outer_sf_exact = mult.power(p_floor);
static_assert(outer_sf_exact.num() == 1);
static_assert(outer_sf_exact.den() == 12);
constexpr auto mult_inexact = mult.template to<double>();
static_assert(mult_inexact == 12.0);
constexpr auto rr = bpu2_rescale<int64_t>(orig_bpu, scalefactor_ratio_type(30*24*3600, 1));
log && log(xtag("rr.outer_scale_exact", rr.outer_scale_exact_),
xtag("rr.outer_scale_sq", rr.outer_scale_sq_));
static_assert(rr.bpu_rescaled_.power() == power_ratio_type(-3,2));
static_assert(rr.outer_scale_exact_ == outer_sf_exact);
static_assert(rr.outer_scale_sq_ == 12.0);
}
} /*TEST_CASE(bpu_rescale)*/
TEST_CASE("bpu_product", "[bpu_product]") {
constexpr bool c_debug_flag = true;
// can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx;
//rng::Seed<xoshio256ss> seed;
//auto rng = xo::rng::xoshiro256ss(seed);
scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.bpu_product"));
//log && log("(A)", xtag("foo", foo));
{
constexpr auto bpu_x = bpu2<int64_t>(dim::time,
scalefactor_ratio_type(360*24*3600, 1),
power_ratio_type(-3,2));
static_assert(bpu_x.native_dim() == dim::time);
constexpr auto bpu_y = bpu2<int64_t>(dim::time,
scalefactor_ratio_type(360*24*3600, 1),
power_ratio_type(1,2));
static_assert(bpu_y.native_dim() == dim::time);
constexpr auto bpu_prod = bpu2_product<int64_t>(bpu_x, bpu_y);
log && log(xtag("bpu_prod.bpu_rescaled", bpu_prod.bpu_rescaled_));
log && log(xtag("bpu_prod.outer_scale_exact", bpu_prod.outer_scale_exact_));
log && log(xtag("bpu_prod.outer_scale_sq", bpu_prod.outer_scale_sq_));
static_assert(bpu_prod.bpu_rescaled_.native_dim() == dim::time);
static_assert(bpu_prod.bpu_rescaled_.scalefactor() == scalefactor_ratio_type(360*24*3600, 1));
static_assert(bpu_prod.bpu_rescaled_.power() == power_ratio_type(-1, 1));
static_assert(bpu_prod.outer_scale_exact_ == scalefactor_ratio_type(1,1));
static_assert(bpu_prod.outer_scale_sq_ == 1.0);
}
} /*TEST_CASE(bpu_product)*/
TEST_CASE("bpu_product2", "[bpu_product]") {
constexpr bool c_debug_flag = true;
// can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx;
//rng::Seed<xoshio256ss> seed;
//auto rng = xo::rng::xoshiro256ss(seed);
scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.bpu_product2"));
//log && log("(A)", xtag("foo", foo));
{
constexpr auto bpu_x = bpu2<int64_t>(dim::time,
scalefactor_ratio_type(360*24*3600, 1),
power_ratio_type(-3,2));
static_assert(bpu_x.native_dim() == dim::time);
constexpr auto bpu_y = bpu2<int64_t>(dim::time,
scalefactor_ratio_type(30*24*3600, 1),
power_ratio_type(1,2));
static_assert(bpu_y.native_dim() == dim::time);
constexpr auto bpu_prod = bpu2_product<int64_t>(bpu_x, bpu_y);
log && log(xtag("bpu_prod.bpu_rescaled", bpu_prod.bpu_rescaled_));
log && log(xtag("bpu_prod.outer_scale_exact", bpu_prod.outer_scale_exact_));
log && log(xtag("bpu_prod.outer_scale_sq", bpu_prod.outer_scale_sq_));
static_assert(bpu_prod.bpu_rescaled_.native_dim() == dim::time);
static_assert(bpu_prod.bpu_rescaled_.scalefactor() == scalefactor_ratio_type(360*24*3600, 1));
static_assert(bpu_prod.bpu_rescaled_.power() == power_ratio_type(-1, 1));
static_assert(bpu_prod.outer_scale_exact_ == scalefactor_ratio_type(1,1));
static_assert(bpu_prod.outer_scale_sq_ == 1.0/12.0);
}
} /*TEST_CASE(bpu_product2)*/
TEST_CASE("bpu_array", "[bpu_array]") {
constexpr bool c_debug_flag = false;
// can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx;
//rng::Seed<xoshio256ss> seed;
//auto rng = xo::rng::xoshiro256ss(seed);
scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.bpu_array"));
//log && log("(A)", xtag("foo", foo));
{
constexpr natural_unit<int64_t> v;
static_assert(v.n_bpu() == 0);
}
{
constexpr natural_unit<int64_t> v
= (bpu_array_maker<int64_t>::make_bpu_array
(bpu2<int64_t>(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(1, 1))));
static_assert(v.n_bpu() == 1);
}
{
constexpr natural_unit<int64_t> v
= (bpu_array_maker<int64_t>::make_bpu_array
(bpu2<int64_t>(dim::distance, scalefactor_ratio_type(1, 1000), power_ratio_type(2, 1)),
bpu2<int64_t>(dim::mass, scalefactor_ratio_type(1, 1000), power_ratio_type(-1, 1))));
static_assert(v.n_bpu() == 2);
}
} /*TEST_CASE(bpu_array)*/
TEST_CASE("bpu_array_product0", "[bpu_array_product]") {
constexpr bool c_debug_flag = true;
// can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx;
//rng::Seed<xoshio256ss> seed;
//auto rng = xo::rng::xoshiro256ss(seed);
scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.bpu_array_product0"));
//log && log("(A)", xtag("foo", foo));
{
constexpr natural_unit<int64_t> v
= (bpu_array_maker<int64_t>::make_bpu_array
(bpu2<int64_t>(dim::distance, scalefactor_ratio_type(1, 1000), power_ratio_type(2, 1)),
bpu2<int64_t>(dim::mass, scalefactor_ratio_type(1, 1000), power_ratio_type(-1, 1))));
static_assert(v.n_bpu() == 2);
constexpr bpu2<int64_t> bpu(dim::time,
scalefactor_ratio_type(250*24*3600, 1),
power_ratio_type(-1, 2));
static_assert(bpu.power() == power_ratio_type(-1, 2));
constexpr auto prod_rr = nu_product(v, bpu);
log && log(xtag("prod_rr.bpu_array", prod_rr.natural_unit_));
log && log(xtag("prod_rr.outer_scale_exact", prod_rr.outer_scale_exact_));
log && log(xtag("prod_rr.outer_scale_sq", prod_rr.outer_scale_sq_));
static_assert(prod_rr.natural_unit_.n_bpu() == 3);
static_assert(prod_rr.natural_unit_[0].native_dim() == dim::distance);
static_assert(prod_rr.natural_unit_[0].scalefactor() == scalefactor_ratio_type(1, 1000));
static_assert(prod_rr.natural_unit_[0].power() == power_ratio_type(2, 1));
static_assert(prod_rr.natural_unit_[1].native_dim() == dim::mass);
static_assert(prod_rr.natural_unit_[1].scalefactor() == scalefactor_ratio_type(1, 1000));
static_assert(prod_rr.natural_unit_[1].power() == power_ratio_type(-1, 1));
static_assert(prod_rr.natural_unit_[2].native_dim() == dim::time);
static_assert(prod_rr.natural_unit_[2].scalefactor() == scalefactor_ratio_type(250*24*3600, 1));
static_assert(prod_rr.natural_unit_[2].power() == power_ratio_type(-1, 2));
static_assert(prod_rr.outer_scale_exact_ == scalefactor_ratio_type(1, 1));
static_assert(prod_rr.outer_scale_sq_ == 1.0);
}
} /*TEST_CASE(bpu_array_product0)*/
TEST_CASE("bpu_array_product1", "[bpu_array_product]") {
constexpr bool c_debug_flag = true;
// can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx;
//rng::Seed<xoshio256ss> seed;
//auto rng = xo::rng::xoshiro256ss(seed);
scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.bpu_array_product1"));
//log && log("(A)", xtag("foo", foo));
{
constexpr natural_unit<int64_t> v
= (bpu_array_maker<int64_t>::make_bpu_array
(bpu2<int64_t>(dim::distance, scalefactor_ratio_type(1, 1000), power_ratio_type(2, 1)),
bpu2<int64_t>(dim::time, scalefactor_ratio_type(30*24*3600, 1), power_ratio_type(-1, 2))));
static_assert(v.n_bpu() == 2);
constexpr bpu2<int64_t> bpu(dim::time,
scalefactor_ratio_type(360*24*3600, 1),
power_ratio_type(-1, 2));
static_assert(bpu.power() == power_ratio_type(-1, 2));
constexpr auto prod_rr = nu_product(v, bpu);
log && log(xtag("prod_rr.bpu_array", prod_rr.natural_unit_));
log && log(xtag("prod_rr.outer_scale_exact", prod_rr.outer_scale_exact_));
log && log(xtag("prod_rr.outer_scale_sq", prod_rr.outer_scale_sq_));
static_assert(prod_rr.natural_unit_.n_bpu() == 2);
static_assert(prod_rr.natural_unit_[0].native_dim() == dim::distance);
static_assert(prod_rr.natural_unit_[0].scalefactor() == scalefactor_ratio_type(1, 1000));
static_assert(prod_rr.natural_unit_[0].power() == power_ratio_type(2, 1));
static_assert(prod_rr.natural_unit_[1].native_dim() == dim::time);
static_assert(prod_rr.natural_unit_[1].scalefactor() == scalefactor_ratio_type(30*24*3600, 1));
static_assert(prod_rr.natural_unit_[1].power() == power_ratio_type(-1, 1));
static_assert(prod_rr.outer_scale_exact_ == scalefactor_ratio_type(1, 1));
static_assert(prod_rr.outer_scale_sq_ == 12.0);
}
} /*TEST_CASE(bpu_array_product1)*/
TEST_CASE("bpu_array_product2", "[bpu_array_product]") {
constexpr bool c_debug_flag = true;
// can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx;
//rng::Seed<xoshio256ss> seed;
//auto rng = xo::rng::xoshiro256ss(seed);
scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.bpu_array_product2"));
//log && log("(A)", xtag("foo", foo));
{
constexpr natural_unit<int64_t> v
= (bpu_array_maker<int64_t>::make_bpu_array
(bpu2<int64_t>(dim::distance, scalefactor_ratio_type(1, 1000), power_ratio_type(2, 1)),
bpu2<int64_t>(dim::mass, scalefactor_ratio_type(1, 1000), power_ratio_type(-1, 1))));
static_assert(v.n_bpu() == 2);
constexpr bpu2<int64_t> bpu(dim::distance,
scalefactor_ratio_type(1, 1000),
power_ratio_type(-1, 1));
static_assert(bpu.power() == power_ratio_type(-1, 1));
constexpr auto prod_rr = nu_product(v, bpu);
log && log(xtag("prod_rr.bpu_array", prod_rr.natural_unit_));
log && log(xtag("prod_rr.outer_scale_exact", prod_rr.outer_scale_exact_));
log && log(xtag("prod_rr.outer_scale_sq", prod_rr.outer_scale_sq_));
static_assert(prod_rr.natural_unit_.n_bpu() == 2);
static_assert(prod_rr.natural_unit_[0].native_dim() == dim::distance);
static_assert(prod_rr.natural_unit_[0].scalefactor() == scalefactor_ratio_type(1, 1000));
static_assert(prod_rr.natural_unit_[0].power() == power_ratio_type(1, 1));
static_assert(prod_rr.natural_unit_[1].native_dim() == dim::mass);
static_assert(prod_rr.natural_unit_[1].scalefactor() == scalefactor_ratio_type(1, 1000));
static_assert(prod_rr.natural_unit_[1].power() == power_ratio_type(-1, 1));
static_assert(prod_rr.outer_scale_exact_ == scalefactor_ratio_type(1, 1));
static_assert(prod_rr.outer_scale_sq_ == 1.0);
}
} /*TEST_CASE(bpu_array_product2)*/
TEST_CASE("bpu_array_product3", "[bpu_array_product]") {
constexpr bool c_debug_flag = true;
// can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx;
//rng::Seed<xoshio256ss> seed;
//auto rng = xo::rng::xoshiro256ss(seed);
scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.bpu_array_product3"));
//log && log("(A)", xtag("foo", foo));
{
constexpr natural_unit<int64_t> v
= (bpu_array_maker<int64_t>::make_bpu_array
(bpu2<int64_t>(dim::distance, scalefactor_ratio_type(1, 1000), power_ratio_type(2, 1)),
bpu2<int64_t>(dim::mass, scalefactor_ratio_type(1, 1000), power_ratio_type(-1, 1))));
static_assert(v.n_bpu() == 2);
constexpr natural_unit<int64_t> w
= (bpu_array_maker<int64_t>::make_bpu_array
(bpu2<int64_t>(dim::time, scalefactor_ratio_type(30*24*3600, 1), power_ratio_type(-1, 2))));
static_assert(w.n_bpu() == 1);
constexpr auto prod_rr = nu_product(v, w);
log && log(xtag("prod_rr.bpu_array", prod_rr.natural_unit_));
log && log(xtag("prod_rr.outer_scale_exact", prod_rr.outer_scale_exact_));
log && log(xtag("prod_rr.outer_scale_sq", prod_rr.outer_scale_sq_));
static_assert(prod_rr.natural_unit_.n_bpu() == 3);
static_assert(prod_rr.natural_unit_[0].native_dim() == dim::distance);
static_assert(prod_rr.natural_unit_[0].scalefactor() == scalefactor_ratio_type(1, 1000));
static_assert(prod_rr.natural_unit_[0].power() == power_ratio_type(2, 1));
static_assert(prod_rr.natural_unit_[1].native_dim() == dim::mass);
static_assert(prod_rr.natural_unit_[1].scalefactor() == scalefactor_ratio_type(1, 1000));
static_assert(prod_rr.natural_unit_[1].power() == power_ratio_type(-1, 1));
static_assert(prod_rr.natural_unit_[2].native_dim() == dim::time);
static_assert(prod_rr.natural_unit_[2].scalefactor() == scalefactor_ratio_type(30*24*3600, 1));
static_assert(prod_rr.natural_unit_[2].power() == power_ratio_type(-1, 2));
static_assert(prod_rr.outer_scale_exact_ == scalefactor_ratio_type(1, 1));
static_assert(prod_rr.outer_scale_sq_ == 1.0);
}
} /*TEST_CASE(bpu_array_product3)*/
TEST_CASE("scaled_unit0", "[scaled_unit0]") {
constexpr bool c_debug_flag = true;
// can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx;
//rng::Seed<xoshio256ss> seed;
//auto rng = xo::rng::xoshiro256ss(seed);
scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.scaled_unit0"));
//log && log("(A)", xtag("foo", foo));
constexpr auto ng = su2::nanogram;
constexpr auto ng2 = ng * ng;
log && log(xtag("ng", ng));
log && log(xtag("ng*ng", ng2));
//log && log(xtag("ng/ng",
static_assert(ng.natural_unit_.n_bpu() == 1);
static_assert(ng2.natural_unit_.n_bpu() == 1);
} /*TEST_CASE(scaled_unit0)*/
TEST_CASE("Quantity", "[Quantity]") {
constexpr bool c_debug_flag = true;
// can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx;
//rng::Seed<xoshio256ss> seed;
//auto rng = xo::rng::xoshiro256ss(seed);
scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.Quantity"));
//log && log("(A)", xtag("foo", foo));
/* not constexpr until c++26 */
auto ng = unit_qty(su2::nanogram);
log && log(xtag("ng", ng));
REQUIRE(ng.scale() == 1);
} /*TEST_CASE(Quantity)*/
TEST_CASE("Quantity2", "[Quantity]") {
constexpr bool c_debug_flag = true;
// can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx;
//rng::Seed<xoshio256ss> seed;
//auto rng = xo::rng::xoshiro256ss(seed);
scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.Quantity2"));
//log && log("(A)", xtag("foo", foo));
/* not constexpr until c++26 */
Quantity2 ng = unit_qty(su2::nanogram);
auto ng2 = ng * ng;
log && log(xtag("ng*ng", ng2));
REQUIRE(ng2.scale() == 1);
} /*TEST_CASE(Quantity2)*/
TEST_CASE("Quantity3", "[Quantity]") {
constexpr bool c_debug_flag = true;
// can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx;
//rng::Seed<xoshio256ss> seed;
//auto rng = xo::rng::xoshiro256ss(seed);
scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.Quantity3"));
//log && log("(A)", xtag("foo", foo));
/* not constexpr until c++26 */
Quantity2 ng = unit_qty(su2::nanogram);
Quantity2 ug = unit_qty(su2::microgram);
{
auto prod1 = ng * ug;
log && log(xtag("ng*ug", prod1));
/* units will be nanograms, since that's on lhs */
REQUIRE(prod1.unit().n_bpu() == 1);
REQUIRE(prod1.unit()[0].native_dim() == dim::mass);
REQUIRE(prod1.unit()[0].scalefactor() == scalefactor_ratio_type(1, 1000000000));
REQUIRE(prod1.unit()[0].power() == power_ratio_type(2, 1));
REQUIRE(prod1.scale() == 1000);
}
{
auto prod2 = ug * ng;
log && log(xtag("ug*ng", prod2));
REQUIRE(prod2.unit().n_bpu() == 1);
REQUIRE(prod2.unit()[0].native_dim() == dim::mass);
REQUIRE(prod2.unit()[0].native_dim() == dim::mass);
REQUIRE(prod2.unit()[0].scalefactor() == scalefactor_ratio_type(1, 1000000));
REQUIRE(prod2.unit()[0].power() == power_ratio_type(2, 1));
REQUIRE(prod2.scale() == 0.001);
}
//REQUIRE(ng2.scale() == 1);
} /*TEST_CASE(Quantity3)*/
TEST_CASE("dimension", "[dimension]") {
constexpr bool c_debug_flag = false;
scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.dimension"));
//log && log("(A)", xtag("foo", foo));
@ -399,7 +1084,7 @@ namespace xo {
}
TEST_CASE("dimension2", "[dimension2]") {
constexpr bool c_debug_flag = true;
constexpr bool c_debug_flag = false;
// can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx;
@ -424,7 +1109,7 @@ namespace xo {
} /*TEST_CASE(dimension2)*/
TEST_CASE("dimension3", "[dimension3]") {
constexpr bool c_debug_flag = true;
constexpr bool c_debug_flag = false;
// can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx;