transpose.cc
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// sherpa-onnx/csrc/transpose.cc
//
// Copyright (c) 2023 Xiaomi Corporation
#include "sherpa-onnx/csrc/transpose.h"
#include <assert.h>
#include <algorithm>
#include <vector>
namespace sherpa_onnx {
template <typename T /*=float*/>
Ort::Value Transpose01(OrtAllocator *allocator, const Ort::Value *v) {
std::vector<int64_t> shape = v->GetTensorTypeAndShapeInfo().GetShape();
assert(shape.size() == 3);
std::array<int64_t, 3> ans_shape{shape[1], shape[0], shape[2]};
Ort::Value ans = Ort::Value::CreateTensor<float>(allocator, ans_shape.data(),
ans_shape.size());
T *dst = ans.GetTensorMutableData<T>();
auto plane_offset = shape[1] * shape[2];
for (int64_t i = 0; i != ans_shape[0]; ++i) {
const T *src = v->GetTensorData<T>() + i * shape[2];
for (int64_t k = 0; k != ans_shape[1]; ++k) {
std::copy(src, src + shape[2], dst);
src += plane_offset;
dst += shape[2];
}
}
return ans;
}
template Ort::Value Transpose01<float>(OrtAllocator *allocator,
const Ort::Value *v);
} // namespace sherpa_onnx