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#include <torch/csrc/utils/tensor_qschemes.h>
#include <c10/core/QScheme.h>
#include <c10/util/irange.h>
#include <torch/csrc/DynamicTypes.h>
#include <torch/csrc/Exceptions.h>
#include <torch/csrc/QScheme.h>
#include <torch/csrc/python_headers.h>
#include <torch/csrc/utils/object_ptr.h>
namespace torch::utils {
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
static std::array<PyObject*, at::COMPILE_TIME_NUM_QSCHEMES> thp_qscheme_array;
void initializeQSchemes() {
auto torch_module = THPObjectPtr(PyImport_ImportModule("torch"));
if (!torch_module) {
throw python_error();
}
for (const auto i : c10::irange(at::COMPILE_TIME_NUM_QSCHEMES)) {
auto qscheme = static_cast<at::QScheme>(i);
PyObject* qscheme_obj = THPQScheme_New(qscheme, toString(qscheme));
thp_qscheme_array[static_cast<int>(qscheme)] = qscheme_obj;
Py_INCREF(qscheme_obj);
if (PyModule_AddObject(
torch_module, toString(qscheme).c_str(), qscheme_obj) != 0) {
throw python_error();
}
}
}
PyObject* getTHPQScheme(at::QScheme qscheme) {
auto qscheme_ = thp_qscheme_array[static_cast<int>(qscheme)];
if (!qscheme_) {
throw std::invalid_argument("unsupported QScheme");
}
return qscheme_;
}
} // namespace torch::utils
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