Add 'xo-pyunit/' from commit '4d0e708ea4'

git-subtree-dir: xo-pyunit
git-subtree-mainline: cb2ce5a5b8
git-subtree-split: 4d0e708ea4
This commit is contained in:
Roland Conybeare 2025-05-11 00:58:27 -05:00
commit 06314a84aa
7 changed files with 310 additions and 0 deletions

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xo-pyunit/.gitignore vendored Normal file
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# clangd working space (see emacs+lsp)
.cache
# typical cmake build directory (source-tree-nephew)
.build*
# symlink to builddir/compile_commands.json; should be set manually in dev sandbox
compile_commands.json

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xo-pyunit/CMakeLists.txt Normal file
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# xo-pyunit/CMakeLists.txt
cmake_minimum_required(VERSION 3.10)
project(xo_pyunit VERSION 0.1)
include(GNUInstallDirs)
include(cmake/xo-bootstrap-macros.cmake)
xo_cxx_toplevel_options2()
# ----------------------------------------------------------------
# cmake -DCMAKE_BUILD_TYPE=coverage
xo_toplevel_coverage_config2()
# ----------------------------------------------------------------
# cmake -DCMAKE_BUILD_TYPE=debug
xo_toplevel_debug_config2()
# ----------------------------------------------------------------
# c++ settings (usually temporary)
set(PROJECT_CXX_FLAGS "")
add_definitions(${PROJECT_CXX_FLAGS})
# ----------------------------------------------------------------
add_subdirectory(src/pyunit)
#add_subdirectory(utest)
# ----------------------------------------------------------------
# provide find_package() support
xo_export_cmake_config(${PROJECT_NAME} ${PROJECT_VERSION} ${PROJECT_NAME}Targets)
# end CMakeLists.txt

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# ----------------------------------------------------------------
# for example:
# $ PREFIX=/usr/local # for example
# $ cmake -DCMAKE_MODULE_PATH=prefix -DCMAKE_INSTALL_PREFIX=$PREFIX -B .build
#
# will get
# CMAKE_MODULE_PATH
# from xo-cmake-config --cmake-module-path
#
# and expect .cmake macros in
# CMAKE_MODULE_PATH/xo_macros/xo_cxx.cmake
# ----------------------------------------------------------------
find_program(XO_CMAKE_CONFIG_EXECUTABLE NAMES xo-cmake-config REQUIRED)
if ("${XO_CMAKE_CONFIG_EXECUTABLE}" STREQUAL "XO_CMAKE_CONFIG_EXECUTABLE-NOT_FOUND")
message(FATAL "could not find xo-cmake-config executable")
endif()
message(STATUS "XO_CMAKE_CONFIG_EXECUTABLE=${XO_CMAKE_CONFIG_EXECUTABLE}")
if (NOT XO_SUBMODULE_BUILD)
if (("${CMAKE_MODULE_PATH}" STREQUAL "") OR ("${CMAKE_MODULE_PATH}" STREQUAL prefix))
# default to typical install location for xo-project-macros
execute_process(COMMAND ${XO_CMAKE_CONFIG_EXECUTABLE} --cmake-module-path OUTPUT_VARIABLE CMAKE_MODULE_PATH)
message(STATUS "CMAKE_MODULE_PATH=${CMAKE_MODULE_PATH}")
endif()
endif()
# needs to have been installed somewhere on CMAKE_MODULE_PATH,
# (e.g. from xo-cmake with the same value for CMAKE_INSTALL_PREFIX)
#
include(xo_macros/xo_cxx)
xo_cxx_bootstrap_message()

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@PACKAGE_INIT@
include(CMakeFindDependencyMacro)
find_dependency(xo_pyutil)
find_dependency(xo_unit)
find_dependency(refcnt)
find_dependency(indentlog)
include("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake")
check_required_components("@PROJECT_NAME@")

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# xo_pyunit/src/pyunit/CMakeLists.txt
set(SELF_LIB pyunit)
set(SELF_SRCS pyunit.cpp)
# ----------------------------------------------------------------
xo_pybind11_library(${SELF_LIB} ${PROJECT_NAME}Targets ${SELF_SRCS})
xo_pybind11_dependency(${SELF_LIB} xo_pyutil)
xo_pybind11_dependency(${SELF_LIB} xo_unit)
xo_pybind11_dependency(${SELF_LIB} refcnt)
xo_pybind11_dependency(${SELF_LIB} indentlog)
# CMakeLists.txt

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/* @file pyunit.cpp */
// note: need pyreflect/ here bc pyreflect.hpp is generated, located in build directory
#include "pyunit.hpp"
#include "xo/unit/xquantity.hpp"
#include "xo/unit/xquantity_iostream.hpp"
#include "xo/pyutil/pyutil.hpp"
//#include <pybind11/pybind11.h>
//#include <pybind11/stl.h>
//#include <pybind11/chrono.h>
//#include <pybind11/operators.h>
namespace xo {
namespace py = pybind11;
using Unit = xo::qty::natural_unit<std::int64_t>;
using XoQuantity = xo::qty::xquantity<double, std::int64_t>;
namespace qty {
PYBIND11_MODULE(PYUNIT_MODULE_NAME(), m) {
m.doc() = "pybind11 plugin for xo.unit";
py::class_<Unit>(m, "Unit")
.def("__repr__",
[](Unit & x)
{
/* e.g. "<unit g>" for xo::qty::nu::gram */
return tostr("<Unit ", x.abbrev(), ">");
})
;
py::module unit = m.def_submodule("unit");
unit.attr("picogram") = &xo::qty::nu::picogram;
unit.attr("nanoogram") = &xo::qty::nu::nanogram;
unit.attr("microgram") = &xo::qty::nu::microgram;
unit.attr("milligram") = &xo::qty::nu::milligram;
unit.attr("gram") = &xo::qty::nu::gram;
unit.attr("kilogram") = &xo::qty::nu::kilogram;
unit.attr("tonne") = &xo::qty::nu::tonne;
unit.attr("kilotonne") = &xo::qty::nu::kilotonne;
unit.attr("megatonne") = &xo::qty::nu::megatonne;
unit.attr("picometer") = &xo::qty::nu::picometer;
unit.attr("nanometer") = &xo::qty::nu::nanometer;
unit.attr("micrometer") = &xo::qty::nu::micrometer;
unit.attr("millimeter") = &xo::qty::nu::millimeter;
unit.attr("meter") = &xo::qty::nu::meter;
unit.attr("kilometer") = &xo::qty::nu::kilometer;
unit.attr("megameter") = &xo::qty::nu::megameter;
py::module qty = m.def_submodule("qty");
qty.def("picograms", [](double x) { return XoQuantity(x, nu::picogram); });
qty.def("nanograms", [](double x) { return XoQuantity(x, nu::nanogram); });
qty.def("micrograms", [](double x) { return XoQuantity(x, nu::microgram); });
qty.def("milligrams", [](double x) { return XoQuantity(x, nu::milligram); });
qty.def("grams", [](double x) { return XoQuantity(x, nu::gram); });
qty.def("kilograms", [](double x) { return XoQuantity(x, nu::kilogram); });
qty.def("tonnes", [](double x) { return XoQuantity(x, nu::tonne); });
qty.def("kilotonnes", [](double x) { return XoQuantity(x, nu::kilotonne); });
qty.def("megaonnes", [](double x) { return XoQuantity(x, nu::megatonne); });
qty.def("picometers", [](double x) { return XoQuantity(x, nu::picometer); });
qty.def("nanometers", [](double x) { return XoQuantity(x, nu::nanometer); });
qty.def("micrometers", [](double x) { return XoQuantity(x, nu::micrometer); });
qty.def("millimeters", [](double x) { return XoQuantity(x, nu::millimeter); });
qty.def("meters", [](double x) { return XoQuantity(x, nu::meter); });
qty.def("kilometers", [](double x) { return XoQuantity(x, nu::kilometer); });
qty.def("megameters", [](double x) { return XoQuantity(x, nu::megameter); });
py::class_<XoQuantity>(m, "Quantity")
.def(py::init<double, const Unit &>(),
py::arg("scale"), py::arg("unit"))
.def("scale", &XoQuantity::scale)
.def("unit", &XoQuantity::unit)
.def("is_dimensionless", &XoQuantity::is_dimensionless)
.def("unit_qty", &XoQuantity::unit_qty)
.def("zero_qty", &XoQuantity::zero_qty)
.def("reciprocal", &XoQuantity::reciprocal)
.def("rescale", &XoQuantity::rescale,
py::arg("unit"))
.def("__add__",
[](const XoQuantity & x, const XoQuantity & y)
{
return x + y;
})
.def("__add__",
[](const XoQuantity & x, double y)
{
return x + y;
})
.def("__radd__",
[](double y, const XoQuantity & x)
{
return x + y;
})
.def("__sub__",
[](const XoQuantity & x, const XoQuantity & y)
{
return x - y;
})
.def("__sub__",
[](const XoQuantity & x, double y)
{
return x - y;
})
.def("__rsub__",
[](double y, const XoQuantity & x)
{
return x - y;
})
.def("__mul__",
[](const XoQuantity & x, const XoQuantity & y)
{
return x * y;
})
.def("__mul__",
[](const XoQuantity & x, double y)
{
return x * y;
})
.def("__rmul__",
[](const XoQuantity & y, double x)
{
return x * y;
})
.def("__truediv__",
[](const XoQuantity & x, const XoQuantity & y)
{
return x / y;
})
.def("__truediv__",
[](const XoQuantity & x, double y)
{
return x / y;
})
.def("__rtruediv__",
[](const XoQuantity & y, double x)
{
return x / y;
})
.def("__eq__",
[](const XoQuantity & x, const XoQuantity & y)
{
return x == y;
})
.def("__eq__",
[](const XoQuantity & x, double y)
{
return x == y;
})
.def("__req__",
[](const XoQuantity & y, double x)
{
return x == y;
})
.def("__repr__",
[](const XoQuantity & x)
{
return tostr(x);
})
.def("abbrev",
[](const XoQuantity & x) {
return std::string(x.abbrev().c_str());
})
;
}
}
} /*namespace xo*/

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/* @file pyunit.hpp
*
* automatically generated from src/xo_pyunit/pyunit.hpp.in
* see src/xo_pyunit/CMakeLists.txt
*/
/* python requires module name = library name
* example:
* PYBIND11_MODULE(PYUNIT_MODULE_NAME(), m) { ... }
*/
#define PYUNIT_MODULE_NAME() @SELF_LIB@
/* example:
* py::module_::import(PYUNIT_MODULE_NAME_STR)
*/
#define PYUNIT_MODULE_NAME_STR "@SELF_LIB@"
/* example:
* PYUNIT_IMPORT_MODULE()
* replaces
* py::module_::import("pyunit")
*/
#define PYUNIT_IMPORT_MODULE() py::module_::import("@SELF_LIB@")
/* end pyunit.hpp */