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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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315
include/xo/unit/basis_unit2.hpp
View file

@ -13,6 +13,158 @@ namespace xo {
using scalefactor_ratio_type = xo::ratio::ratio<std::int64_t>; using scalefactor_ratio_type = xo::ratio::ratio<std::int64_t>;
namespace abbrev {
// ----- units for dim::mass -----
static
constexpr basis_unit2_abbrev_type
mass_unit2_abbrev(const scalefactor_ratio_type & scalefactor)
{
if (scalefactor.num() == 1) {
switch (scalefactor.den()) {
case 1:
return basis_unit2_abbrev_type::from_chars("g");
case 1000:
return basis_unit2_abbrev_type::from_chars("mg");
case 1000000:
return basis_unit2_abbrev_type::from_chars("ug");
case 1000000000:
return basis_unit2_abbrev_type::from_chars("ng");
}
}
if (scalefactor.den() == 1) {
switch (scalefactor.num()) {
case 1000:
return basis_unit2_abbrev_type::from_chars("kg");
case 1000000:
return basis_unit2_abbrev_type::from_chars("t");
case 1000000000:
return basis_unit2_abbrev_type::from_chars("kt");
}
}
/* e.g. unit of '1000 grams' will have abbrev '1000g' in absence
* of a specialization for scaled_native_unit_abbrev
*/
return (basis_unit2_abbrev_type::from_flatstring
(flatstring_concat
(scalefactor.to_str<basis_unit2_abbrev_type::fixed_capacity>(),
native_unit2_v[static_cast<std::uint32_t>(dim::mass)].abbrev_str())));
}
// ----- units for dim::distance -----
static
constexpr basis_unit2_abbrev_type
distance_unit2_abbrev(const scalefactor_ratio_type & scalefactor)
{
if (scalefactor.num() == 1) {
switch (scalefactor.den()) {
case 1:
return basis_unit2_abbrev_type::from_chars("m");
case 1000:
return basis_unit2_abbrev_type::from_chars("mm");
case 1000000:
return basis_unit2_abbrev_type::from_chars("um");
case 1000000000:
return basis_unit2_abbrev_type::from_chars("nm");
}
}
if (scalefactor.den() == 1) {
switch (scalefactor.num()) {
case 1000:
return basis_unit2_abbrev_type::from_chars("km");
case 1000000:
return basis_unit2_abbrev_type::from_chars("Mm");
case 1000000000:
return basis_unit2_abbrev_type::from_chars("Gm");
}
}
/* e.g. unit of '1000 grams' will have abbrev '1000g' in absence
* of a specialization for scaled_native_unit_abbrev
*/
return (basis_unit2_abbrev_type::from_flatstring
(flatstring_concat
(scalefactor.to_str<basis_unit2_abbrev_type::fixed_capacity>(),
native_unit2_v[static_cast<std::uint32_t>(dim::mass)].abbrev_str())));
}
// ----- units for dim::time -----
static
constexpr basis_unit2_abbrev_type
time_unit2_abbrev(const scalefactor_ratio_type & scalefactor)
{
if (scalefactor.num() == 1) {
switch (scalefactor.den()) {
case 1:
return basis_unit2_abbrev_type::from_chars("s");
case 1000:
return basis_unit2_abbrev_type::from_chars("ms");
case 1000000:
return basis_unit2_abbrev_type::from_chars("us");
case 1000000000:
return basis_unit2_abbrev_type::from_chars("ns");
}
}
if (scalefactor.den() == 1) {
switch (scalefactor.num()) {
case 60:
return basis_unit2_abbrev_type::from_chars("min");
case 3600:
return basis_unit2_abbrev_type::from_chars("hr");
case 24*3600:
return basis_unit2_abbrev_type::from_chars("dy");
case 7*24*3600:
return basis_unit2_abbrev_type::from_chars("wk");
case 30*24*3600:
return basis_unit2_abbrev_type::from_chars("mo");
case 250*24*3600:
return basis_unit2_abbrev_type::from_chars("yr250");
case 360*24*3600:
return basis_unit2_abbrev_type::from_chars("yr360");
case 365*24*3600:
return basis_unit2_abbrev_type::from_chars("yr365");
}
}
/* e.g. unit of '1000 grams' will have abbrev '1000g' in absence
* of a specialization for scaled_native_unit_abbrev
*/
return (basis_unit2_abbrev_type::from_flatstring
(flatstring_concat
(scalefactor.to_str<basis_unit2_abbrev_type::fixed_capacity>(),
native_unit2_v[static_cast<std::uint32_t>(dim::mass)].abbrev_str())));
}
static
constexpr basis_unit2_abbrev_type
basis_unit2_abbrev(dim native_dim,
const scalefactor_ratio_type & scalefactor)
{
switch(native_dim) {
case dim::mass:
return mass_unit2_abbrev(scalefactor);
case dim::distance:
return distance_unit2_abbrev(scalefactor);
case dim::time:
return time_unit2_abbrev(scalefactor);
}
/* e.g. unit of '1000 grams' will have abbrev '1000g' in absence
* of a specialization for scaled_native_unit_abbrev
*/
return (basis_unit2_abbrev_type::from_flatstring
(flatstring_concat
(scalefactor.to_str<basis_unit2_abbrev_type::fixed_capacity>(),
native_unit2_v[static_cast<std::uint32_t>(native_dim)].abbrev_str())));
}
}; /*abbrev*/
/** @class basis_unit2 /** @class basis_unit2
* @brief A dimensionless multiple of a single natively-specified basis dimension * @brief A dimensionless multiple of a single natively-specified basis dimension
* *
@ -20,6 +172,7 @@ namespace xo {
**/ **/
struct basis_unit2 { struct basis_unit2 {
public: public:
constexpr basis_unit2() = default;
constexpr basis_unit2(dim native_dim, const scalefactor_ratio_type & scalefactor) constexpr basis_unit2(dim native_dim, const scalefactor_ratio_type & scalefactor)
: native_dim_{native_dim}, : native_dim_{native_dim},
scalefactor_{scalefactor} scalefactor_{scalefactor}
@ -28,12 +181,27 @@ namespace xo {
constexpr dim native_dim() const { return native_dim_; } constexpr dim native_dim() const { return native_dim_; }
constexpr const scalefactor_ratio_type & scalefactor() const { return scalefactor_; } constexpr const scalefactor_ratio_type & scalefactor() const { return scalefactor_; }
constexpr basis_unit2_abbrev_type abbrev() const {
return abbrev::basis_unit2_abbrev(native_dim_,
scalefactor_);
}
constexpr basis_unit2 & operator=(const basis_unit2 & x) = default;
/** @brief identifies a native unit, e.g. time (in seconds) **/ /** @brief identifies a native unit, e.g. time (in seconds) **/
const dim native_dim_; dim native_dim_ = dim::invalid;
/** @brief this unit defined as multiple scalefactor times native unit **/ /** @brief this unit defined as multiple scalefactor times native unit **/
const scalefactor_ratio_type scalefactor_; scalefactor_ratio_type scalefactor_;
}; };
namespace bu2 {
constexpr basis_unit2 nanogram = basis_unit2(dim::mass, scalefactor_ratio_type(1, 1000000000));
constexpr basis_unit2 microgram = basis_unit2(dim::mass, scalefactor_ratio_type(1, 1000000));
constexpr basis_unit2 milligram = basis_unit2(dim::mass, scalefactor_ratio_type(1, 1000));
constexpr basis_unit2 gram = basis_unit2(dim::mass, scalefactor_ratio_type(1, 1));
constexpr basis_unit2 kilogram = basis_unit2(dim::mass, scalefactor_ratio_type(1000, 1));
}
namespace units { namespace units {
/** for runtime work, would like to be able to promptly find special abbreviation /** for runtime work, would like to be able to promptly find special abbreviation
* keyed by (native_dim, scalefactor). * keyed by (native_dim, scalefactor).
@ -92,10 +260,8 @@ namespace xo {
// xo::ratio::ratio<std::int64_t>(InnerScaleNum, InnerScaleDen)); // xo::ratio::ratio<std::int64_t>(InnerScaleNum, InnerScaleDen));
}; };
// ----- units for dim::mass -----
template <> template <>
struct scaled_native_unit2_abbrev<dim::mass, 1, 1000000000> { struct scaled_native_unit2_abbrev<dim::mass, bu2::nanogram.scalefactor().num(), bu2::nanogram.scalefactor().den()> {
static constexpr const basis_unit2_abbrev_type value = basis_unit2_abbrev_type::from_chars("ng"); static constexpr const basis_unit2_abbrev_type value = basis_unit2_abbrev_type::from_chars("ng");
}; };
@ -199,145 +365,6 @@ namespace xo {
constexpr auto scaled_native_unit2_abbrev_v = scaled_native_unit2_abbrev<BasisDim, InnerScaleNum, InnerScaleDen>::value; constexpr auto scaled_native_unit2_abbrev_v = scaled_native_unit2_abbrev<BasisDim, InnerScaleNum, InnerScaleDen>::value;
} }
/** @class basis_unit2_store
* @brief Store known basis units for runtime
**/
template <typename Tag>
struct basis_unit2_store {
basis_unit2_store() : bu_abbrev_vv_(static_cast<std::size_t>(dim::n_dim)) {
this->bu_establish_abbrev_for<dim::mass, 1, 1000000000>();
this->bu_establish_abbrev_for<dim::mass, 1, 1000000>();
this->bu_establish_abbrev_for<dim::mass, 1, 1000>();
this->bu_establish_abbrev_for<dim::mass, 1, 1>();
this->bu_establish_abbrev_for<dim::mass, 1000, 1>();
this->bu_establish_abbrev_for<dim::mass, 1000000, 1>();
this->bu_establish_abbrev_for<dim::mass, 1000000000, 1>();
this->bu_establish_abbrev_for<dim::distance, 1, 1000000000>();
this->bu_establish_abbrev_for<dim::distance, 1, 1000000>();
this->bu_establish_abbrev_for<dim::distance, 1, 1000>();
this->bu_establish_abbrev_for<dim::distance, 1, 1>();
this->bu_establish_abbrev_for<dim::distance, 1000, 1>();
this->bu_establish_abbrev_for<dim::time, 1, 1000000000>();
this->bu_establish_abbrev_for<dim::time, 1, 1000000>();
this->bu_establish_abbrev_for<dim::time, 1, 1000>();
this->bu_establish_abbrev_for<dim::time, 1, 1>();
this->bu_establish_abbrev_for<dim::time, 60, 1>();
this->bu_establish_abbrev_for<dim::time, 3600, 1>();
this->bu_establish_abbrev_for<dim::time, 24*3600, 1>();
this->bu_establish_abbrev_for<dim::time, 250*24*3600, 1>();
this->bu_establish_abbrev_for<dim::time, 360*24*3600, 1>();
this->bu_establish_abbrev_for<dim::time, 365*24*3600, 1>();
this->bu_establish_abbrev_for<dim::currency, 1, 1>();
this->bu_establish_abbrev_for<dim::price, 1, 1>();
}
/* e.g.
* [(1/1000000000, "nm"), (1/1000000, "um"), (1/1000, "mm"), (1/1, "m"), (1000/1, "km")]
*/
using native_scale_v = std::vector<std::pair<scalefactor_ratio_type, basis_unit2_abbrev_type>>;
/** @brief get basis-unit abbreviation at runtime **/
basis_unit2_abbrev_type bu_abbrev(dim basis_dim,
const scalefactor_ratio_type & scalefactor) const {
const auto & bu_abbrev_v = bu_abbrev_vv_[static_cast<std::size_t>(basis_dim)];
std::size_t i_abbrev = bu_abbrev_lub_ix(basis_dim, scalefactor, bu_abbrev_v);
if ((i_abbrev < bu_abbrev_v.size())
&& (bu_abbrev_v[i_abbrev].first == scalefactor))
{
return bu_abbrev_v[i_abbrev].second;
} else {
return units::bu_fallback_abbrev(basis_dim, scalefactor);
}
}
template <dim BasisDim, std::int64_t InnerScaleNum, std::int64_t InnerScaleDen>
void bu_establish_abbrev_for() {
this->bu_establish_abbrev(basis_unit2(BasisDim,
scalefactor_ratio_type(InnerScaleNum, InnerScaleDen)),
units::scaled_native_unit2_abbrev_v<BasisDim, InnerScaleNum, InnerScaleDen>);
}
/** @brief establish abbreviation @p abbrev for basis unit @p bu
**/
void bu_establish_abbrev(const basis_unit2 & bu,
const basis_unit2_abbrev_type & abbrev) {
auto & bu_abbrev_v = bu_abbrev_vv_[static_cast<std::size_t>(bu.native_dim())];
std::int32_t i_abbrev = 0;
if (!bu_abbrev_v.empty()) {
i_abbrev = bu_abbrev_lub_ix(bu.native_dim(),
bu.scalefactor(),
bu_abbrev_v);
}
auto entry = std::make_pair(bu.scalefactor(), abbrev);
if ((i_abbrev < bu_abbrev_v.size())
&& (bu_abbrev_v[i_abbrev].first == bu.scalefactor()))
{
bu_abbrev_v[i_abbrev] = entry;
} else {
bu_abbrev_v.insert(bu_abbrev_v.begin() + i_abbrev, entry);
}
}
private:
/** @brief get least-upper-bound index position in bu_abbrev_v[]
*
* return value in [0, n] where n = bu_abbrev_v.size()
**/
static std::size_t bu_abbrev_lub_ix(dim basis_dim,
const scalefactor_ratio_type & scalefactor,
const native_scale_v & bu_abbrev_v)
{
std::size_t n = bu_abbrev_v.size();
if (n == 0)
return 0;
std::size_t lo = 0;
std::size_t hi = n-1;
if (scalefactor <= bu_abbrev_v[lo].first)
return 0;
auto cmp = (scalefactor <=> bu_abbrev_v[hi].first);
if (cmp > 0)
return n;
if (cmp == 0)
return hi;
while (hi-lo > 1) {
/* inv:
* bu_abbrev_v[lo].first < scalefactor <= bu_abbrev_v[hi].first
*/
std::size_t mid = lo + (hi - lo)/2;
if (scalefactor > bu_abbrev_v[mid].first)
lo = mid;
else
hi = mid;
}
return hi;
}
private:
/* bu_abbrev_v[dim] holds known units for native unit dim */
std::vector<native_scale_v> bu_abbrev_vv_;
};
} /*namespace unit*/ } /*namespace unit*/
} /*namespace xo*/ } /*namespace xo*/

14
include/xo/unit/dim_util.hpp
View file

@ -31,6 +31,20 @@ namespace xo {
n_dim n_dim
}; };
inline const char *
dim2str(dim x)
{
switch(x) {
case dim::mass: return "mass";
case dim::distance: return "distance";
case dim::time: return "time";
case dim::currency: return "currency";
case dim::price: return "price";
default: break;
}
return "?dim";
}
static constexpr std::size_t n_dim = static_cast<std::size_t>(dim::n_dim); static constexpr std::size_t n_dim = static_cast<std::size_t>(dim::n_dim);
enum class native_unit_id { enum class native_unit_id {

100
include/xo/unit/native_bpu2.hpp
View file

@ -5,7 +5,9 @@
#pragma once #pragma once
#include "xo/indentlog/print/tag.hpp"
#include "basis_unit2.hpp" #include "basis_unit2.hpp"
#include "dim_iostream.hpp"
namespace xo { namespace xo {
namespace unit { namespace unit {
@ -13,6 +15,41 @@ namespace xo {
using power_ratio_type = xo::ratio::ratio<std::int64_t>; using power_ratio_type = xo::ratio::ratio<std::int64_t>;
namespace abbrev {
using power_abbrev_type = flatstring<16>;
constexpr power_abbrev_type
flatstring_from_exponent(std::int64_t num,
std::int64_t den)
{
if (den == 1) {
if (num == 1) {
return power_abbrev_type::from_chars("");
} else {
return (power_abbrev_type::from_flatstring
(flatstring_concat(flatstring("^"),
power_abbrev_type::from_int(num))));
}
} else {
return (power_abbrev_type::from_flatstring
(flatstring_concat(flatstring("^"),
xo::ratio::make_ratio(num, den)
.to_str<power_abbrev_type::fixed_capacity>())));
}
}
static constexpr bpu2_abbrev_type
bpu2_abbrev(dim native_dim,
const scalefactor_ratio_type & scalefactor,
const power_ratio_type & power)
{
return (bpu2_abbrev_type::from_flatstring
(flatstring_concat
(basis_unit2_abbrev(native_dim, scalefactor),
flatstring_from_exponent(power.num(), power.den()))));
}
}
/** @class native_bpu2 /** @class native_bpu2
* *
* @brief represent product of a compile-time scale-factor with a rational power of a native unit * @brief represent product of a compile-time scale-factor with a rational power of a native unit
@ -23,19 +60,58 @@ namespace xo {
template<typename Int> template<typename Int>
struct bpu2 : basis_unit2 { struct bpu2 : basis_unit2 {
public: public:
constexpr bpu2(power_ratio_type power, using ratio_int_type = Int;
dim native_dim,
scalefactor_ratio_type scalefactor) public:
constexpr bpu2() = default;
constexpr bpu2(const basis_unit2 & bu,
const power_ratio_type & power)
: basis_unit2{bu},
power_{power}
{}
constexpr bpu2(dim native_dim,
const scalefactor_ratio_type & scalefactor,
const power_ratio_type & power)
: basis_unit2(native_dim, scalefactor), : basis_unit2(native_dim, scalefactor),
power_{power} power_{power}
{} {}
static constexpr bpu2<Int> unit_power(const basis_unit2 & bu) {
return bpu2<Int>(bu, power_ratio_type(1,1));
}
constexpr const power_ratio_type & power() const { return power_; } constexpr const power_ratio_type & power() const { return power_; }
/** @brief abbreviation for this dimension
*
* @code
* bpu2<int64_t>(dim::time,
* scalefactor_ratio_type(60,1),
* power_ratio_type(-2,1)).abbrev() => "min^-2"
* @endcode
**/
constexpr bpu2_abbrev_type abbrev() const
{
return abbrev::bpu2_abbrev(native_dim_,
scalefactor_,
power_);
}
/* for bpu x, x.reciprocal() represents dimension of 1/x */
constexpr bpu2<Int> reciprocal() const {
return bpu2<Int>(native_dim(), scalefactor(), power_.negate());
}
/** @brief this unit represents native dimension taken to this power **/ /** @brief this unit represents native dimension taken to this power **/
power_ratio_type power_; power_ratio_type power_;
}; };
template <typename Int>
constexpr auto make_unit_power(const basis_unit2 & bu) {
return bpu2<Int>::unit_power(bu);
}
#ifdef NOT_USING
template < template <
dim BasisDim, dim BasisDim,
std::int64_t InnerScaleNum, std::int64_t InnerScaleDen, std::int64_t InnerScaleNum, std::int64_t InnerScaleDen,
@ -44,20 +120,12 @@ namespace xo {
constexpr bpu2_abbrev_type constexpr bpu2_abbrev_type
bpu2_assemble_abbrev_helper() bpu2_assemble_abbrev_helper()
{ {
return flatstring_concat return (bpu2_abbrev_type::from_flatstring
(units::scaled_native_unit2_abbrev_v<BasisDim, InnerScaleNum, InnerScaleDen>, (flatstring_concat
flatstring_from_exponent<PowerNum, PowerDen>()); (units::scaled_native_unit2_abbrev_v<BasisDim, InnerScaleNum, InnerScaleDen>,
}; flatstring_from_exponent<PowerNum, PowerDen>())));
template < typename BPU >
constexpr auto bpu2_assemble_abbrev(const BPU & bpu) {
// bpu.power(), bpu.native_dim(), bpu.scalefactor()
return bpu2_assemble_abbrev_helper<
bpu.native_dim(),
bpu.scalefactor().num(), bpu.scalefactor().den(),
bpu.power().num(), bpu.power().den()>;
}; };
#endif
} /*namespace unit*/ } /*namespace unit*/
} /*namespace xo*/ } /*namespace xo*/

765
utest/unit.test.cpp
View file

@ -1,14 +1,21 @@
/* @file dimension.test.cpp */ /* @file dimension.test.cpp */
#include "xo/unit/unit.hpp" #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/basis_unit2.hpp"
#include "xo/unit/dim_util2.hpp" #include "xo/unit/dim_util2.hpp"
#include "xo/reflect/Reflect.hpp" #include "xo/reflect/Reflect.hpp"
#include "xo/cxxutil/demangle.hpp" //#include "xo/cxxutil/demangle.hpp"
#include "xo/indentlog/scope.hpp" #include "xo/indentlog/scope.hpp"
#include "xo/indentlog/print/tag.hpp" #include "xo/indentlog/print/tag.hpp"
#include <catch2/catch.hpp> #include <catch2/catch.hpp>
#include <iostream>
namespace xo { namespace xo {
namespace ut { namespace ut {
@ -16,6 +23,9 @@ namespace xo {
using xo::reflect::Reflect; using xo::reflect::Reflect;
namespace su2 = xo::unit::su2;
using xo::unit::Quantity2;
using xo::unit::dim; using xo::unit::dim;
using xo::unit::basis_unit2_abbrev_type; using xo::unit::basis_unit2_abbrev_type;
using xo::unit::native_unit2; using xo::unit::native_unit2;
@ -23,7 +33,20 @@ namespace xo {
using xo::unit::scalefactor_ratio_type; using xo::unit::scalefactor_ratio_type;
using xo::unit::units::scaled_native_unit2_abbrev; using xo::unit::units::scaled_native_unit2_abbrev;
using xo::unit::units::scaled_native_unit2_abbrev_v; 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::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::native_unit_abbrev_v;
using xo::unit::units::scaled_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::currency)].native_dim() == dim::currency);
static_assert(native_unit2_v[static_cast<int>(dim::price)].native_dim() == dim::price); 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^-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^-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*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)*/
TEST_CASE("basis_unit2_store", "[basis_unit2_store]") { 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 // can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx; //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*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)))); 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 REQUIRE(::strcmp(bu_store.bu_abbrev(dim::distance, scalefactor_ratio_type( 1, 1000000000)).c_str(), "nm") == 0);
log && log(xtag("mass*10^-9", scaled_native_unit2_abbrev_v<dim::mass, 1, 1000000000>)); REQUIRE(::strcmp(bu_store.bu_abbrev(dim::distance, scalefactor_ratio_type( 1, 1000000)).c_str(), "um") == 0);
log && log(xtag("mass*10^-6", scaled_native_unit2_abbrev_v<dim::mass, 1, 1000000>)); REQUIRE(::strcmp(bu_store.bu_abbrev(dim::distance, scalefactor_ratio_type( 1, 1000)).c_str(), "mm") == 0);
log && log(xtag("mass*10^-3", scaled_native_unit2_abbrev_v<dim::mass, 1, 1000>)); REQUIRE(::strcmp(bu_store.bu_abbrev(dim::distance, scalefactor_ratio_type( 1, 1)).c_str(), "m") == 0);
log && log(xtag("mass", scaled_native_unit2_abbrev_v<dim::mass>)); REQUIRE(::strcmp(bu_store.bu_abbrev(dim::distance, scalefactor_ratio_type( 1000, 1)).c_str(), "km") == 0);
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>));
log && log(xtag("distance*10^-9", scaled_native_unit2_abbrev_v<dim::distance, 1, 1000000000>)); REQUIRE(::strcmp(bu_store.bu_abbrev(dim::time, scalefactor_ratio_type( 1, 1000000000)).c_str(), "ns") == 0);
log && log(xtag("distance*10^-6", scaled_native_unit2_abbrev_v<dim::distance, 1, 1000000>)); REQUIRE(::strcmp(bu_store.bu_abbrev(dim::time, scalefactor_ratio_type( 1, 1000000)).c_str(), "us") == 0);
log && log(xtag("distance*10^-3", scaled_native_unit2_abbrev_v<dim::distance, 1, 1000>)); REQUIRE(::strcmp(bu_store.bu_abbrev(dim::time, scalefactor_ratio_type( 1, 1000)).c_str(), "ms") == 0);
log && log(xtag("distance", scaled_native_unit2_abbrev_v<dim::distance>)); REQUIRE(::strcmp(bu_store.bu_abbrev(dim::time, scalefactor_ratio_type( 1, 1)).c_str(), "s") == 0);
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( 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(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]") { TEST_CASE("native_unit_abbrev", "[native_dim_abbrev]") {
constexpr bool c_debug_flag = true; constexpr bool c_debug_flag = true;
@ -318,9 +478,534 @@ namespace xo {
} /*TEST_CASE(native_dim_abbrev)*/ } /*TEST_CASE(native_dim_abbrev)*/
TEST_CASE("dimension", "[dimension]") { TEST_CASE("bpu_rescale", "[bpu_rescale]") {
constexpr bool c_debug_flag = true; 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")); scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.dimension"));
//log && log("(A)", xtag("foo", foo)); //log && log("(A)", xtag("foo", foo));
@ -399,7 +1084,7 @@ namespace xo {
} }
TEST_CASE("dimension2", "[dimension2]") { 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 // can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx; //uint64_t seed = xxx;
@ -424,7 +1109,7 @@ namespace xo {
} /*TEST_CASE(dimension2)*/ } /*TEST_CASE(dimension2)*/
TEST_CASE("dimension3", "[dimension3]") { 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 // can get bits from /dev/random by uncommenting the 2nd line below
//uint64_t seed = xxx; //uint64_t seed = xxx;