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xo-pyjit: 1-arg and 2-arg double->double + double^2->double fns

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This commit is contained in:
Roland Conybeare 2024-06-17 17:17:13 -04:00
commit 5ea46cf22e
1 changed files with 34 additions and 7 deletions
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41
src/pyjit/pyjit.cpp
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@ -7,15 +7,25 @@
#include <pybind11/stl.h>
namespace xo {
struct XferFn : public ref::Refcount {
struct XferDbl2DblFn : public ref::Refcount {
using fptr_type = double (*) (double);
explicit XferFn(fptr_type fptr) : fptr_{fptr} {}
explicit XferDbl2DblFn(fptr_type fptr) : fptr_{fptr} {}
double operator() (double x) { return (*fptr_)(x); }
fptr_type fptr_;
};
}; /*XferDbl2DblFn*/
struct XferDblDbl2DblFn : public ref::Refcount {
using fptr_type = double (*) (double, double);
explicit XferDblDbl2DblFn(fptr_type fptr) : fptr_{fptr} {}
double operator() (double x, double y) { return (*fptr_)(x, y); }
fptr_type fptr_;
}; /*XferDblDbl2DblFn*/
namespace jit {
using xo::ast::Expression;
@ -56,19 +66,36 @@ namespace xo {
.def("machgen_current_module", &MachPipeline::machgen_current_module,
py::doc("Make current module available for execution via the jit.\n"
"Adds all functions generated since last call to this method."))
.def("lookup_dbl_dbl_fn",
/* double -> double */
.def("lookup_dbl2dbl_fn",
[](MachPipeline & jit, const std::string & symbol) {
auto llvm_addr = jit.lookup_symbol(symbol);
auto fn_addr = llvm_addr.toPtr<double (*) (double)>();
return new XferFn(fn_addr);
return new XferDbl2DblFn(fn_addr);
})
/* (double x double) -> double */
.def("lookup_dbldbl2dbl_fn",
[](MachPipeline & jit, const std::string & symbol) {
auto llvm_addr = jit.lookup_symbol(symbol);
auto fn_addr = llvm_addr.toPtr<double (*) (double, double)>();
return new XferDblDbl2DblFn(fn_addr);
})
;
py::class_<XferFn, rp<XferFn>>(m, "XferFn")
py::class_<XferDbl2DblFn, rp<XferDbl2DblFn>>(m, "XferDbl2DblFn")
.def("__call__",
[](XferFn & self, double x) { return self(x); }
[](XferDbl2DblFn & self, double x) { return self(x); }
)
;
py::class_<XferDblDbl2DblFn, rp<XferDblDbl2DblFn>>(m, "XferDblDbl2DblFn")
.def("__call__",
[](XferDblDbl2DblFn & self, double x, double y) { return self(x, y); }
)
;