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[Draft] Add SetDataType method for Tensor objects #785

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[Draft] Add SetDataType method for Tensor objects #785

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4 changes: 4 additions & 0 deletions include/onnxruntime/core/framework/data_types.h
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Expand Up @@ -934,6 +934,10 @@ class PrimitiveDataTypeBase : public DataTypeImpl {
return nullptr;
}

void SetDataType(ONNX_NAMESPACE::TensorProto_DataType data_type) {
*const_cast<int32_t*>(&data_type_) = data_type;
}

int32_t GetDataType() const {
return data_type_;
}
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7 changes: 7 additions & 0 deletions include/onnxruntime/core/framework/tensor.h
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Expand Up @@ -161,6 +161,13 @@ class Tensor final {
*/
MLDataType DataType() const { return dtype_; }

/**
Sets the data type to an enum constant
*/
void SetElementType(ONNX_NAMESPACE::TensorProto_DataType data_type) {
const_cast<PrimitiveDataTypeBase*>(dtype_)->SetDataType(data_type);
}

/**
Returns the data type enum constant
@remarks Use utils::ToTensorProtoElementType<T> for comparison.
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1 change: 1 addition & 0 deletions onnxruntime/core/providers/shared_library/provider_interfaces.h
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Expand Up @@ -1290,6 +1290,7 @@ struct ProviderHost {
virtual ptrdiff_t Tensor__ByteOffset(const Tensor* p) = 0;
virtual size_t Tensor__SizeInBytes(const Tensor* p) = 0;
virtual const OrtMemoryInfo& Tensor__Location(const Tensor* p) = 0;
virtual void Tensor__SetElementType(Tensor* p, ONNX_NAMESPACE::TensorProto_DataType data_type) = 0;
virtual int32_t Tensor__GetElementType(const Tensor* p) = 0;
virtual MLDataType Tensor__DataType(const Tensor* p) = 0;
#ifdef ENABLE_STRIDED_TENSORS
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1 change: 1 addition & 0 deletions onnxruntime/core/providers/shared_library/provider_wrappedtypes.h
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Expand Up @@ -1448,6 +1448,7 @@ struct Tensor final {
const OrtMemoryInfo& Location() const { return g_host->Tensor__Location(this); }

int32_t GetElementType() const { return g_host->Tensor__GetElementType(this); }
void SetElementType(ONNX_NAMESPACE::TensorProto_DataType data_type) { g_host->Tensor__SetElementType(this, data_type); }
MLDataType DataType() const { return g_host->Tensor__DataType(this); }
bool IsDataTypeString() const { return g_host->Tensor__IsDataTypeString(this); }

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1 change: 1 addition & 0 deletions onnxruntime/core/session/provider_bridge_ort.cc
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Expand Up @@ -1651,6 +1651,7 @@ struct ProviderHostImpl : ProviderHost {
ptrdiff_t Tensor__ByteOffset(const Tensor* p) override { return p->ByteOffset(); }
size_t Tensor__SizeInBytes(const Tensor* p) override { return p->SizeInBytes(); }
const OrtMemoryInfo& Tensor__Location(const Tensor* p) override { return p->Location(); }
void Tensor__SetElementType(Tensor* p, ONNX_NAMESPACE::TensorProto_DataType data_type) override { p->SetElementType(data_type); }
int32_t Tensor__GetElementType(const Tensor* p) override { return p->GetElementType(); }
MLDataType Tensor__DataType(const Tensor* p) override { return p->DataType(); }
#ifdef ENABLE_STRIDED_TENSORS
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