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Add Func::output_type() method #6724

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Merged
steven-johnson merged 2 commits into from
Apr 21, 2022
Merged

Add Func::output_type() method #6724

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8ec8b91
Add Func::output_type() method
steven-johnson Apr 21, 2022
0808c66
Add Python
steven-johnson Apr 21, 2022
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1 change: 1 addition & 0 deletions python_bindings/src/PyFunc.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -159,6 +159,7 @@ void define_func(py::module &m) {
})
.def("defined", &Func::defined)
.def("outputs", &Func::outputs)
.def("output_type", &Func::output_type)
.def("output_types", &Func::output_types)

.def("bound", &Func::bound, py::arg("var"), py::arg("min"), py::arg("extent"))
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11 changes: 11 additions & 0 deletions src/Func.cpp
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Expand Up @@ -188,7 +188,18 @@ void Func::define_extern(const std::string &function_name,
}

/** Get the types of the buffers returned by an extern definition. */
const Type &Func::output_type() const {
user_assert(defined())
<< "Can't access output buffer of undefined Func.\n";
user_assert(func.output_types().size() == 1)
<< "Can't call Func::output_type on Func \"" << name()
<< "\" because it returns a Tuple.\n";
return func.output_types()[0];
}

const std::vector<Type> &Func::output_types() const {
user_assert(defined())
<< "Can't access output buffer of undefined Func.\n";
return func.output_types();
}

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3 changes: 3 additions & 0 deletions src/Func.h
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Expand Up @@ -1191,7 +1191,10 @@ class Func {
// @}

/** Get the types of the outputs of this Func. */
// @{
const Type &output_type() const;
const std::vector<Type> &output_types() const;
// @}

/** Get the number of outputs of this Func. Corresponds to the
* size of the Tuple this Func was defined to return. */
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