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// tensor/tensor-impl.cc
// Copyright 2019 Johns Hopkins University (author: Daniel Povey)
// See ../../COPYING for clarification regarding multiple authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
// WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
// MERCHANTABLITY OR NON-INFRINGEMENT.
// See the Apache 2 License for the specific language governing permissions and
// limitations under the License.
#include "tensor/tensor-impl.h"
namespace kaldi {
namespace tensor {
TensorImpl(const TensorMeta &meta,
StridePolicy sp):
dtype(meta.dtype),
device(meta.device) {
switch (sp) {
case kKeepStrideOrder:
MakeCompactNonnegativeAndJustified(meta.pattern, &pattern);
break;
case kNormalized:
MakeCompactNormalizedAndJustified(meta.pattern, &pattern);
break;
case kCopyStrides:
pattern = meta.pattern;
MakeJustified(&pattern);
break;
default: // would be code error.
KALDI_ERR << "Stride policy out of range";
}
CreateTensorStorage(this);
KALDI_PARANOID_ASSERT(this->IsValid());
}
TensorImpl::TensorImpl(const TensorMeta &meta,
const std::shared_ptr<Storage> &storage):
pattern(meta.pattern),
dtype(meta.dtype),
device(meta.device),
storage(storage) {
KALDI_PARANOID_ASSERT(this->IsValid());
}
TensorImpl::TensorImpl(const TensorMeta &meta,
const std::shared_ptr<Storage> &&storage):
// todo: ask @kkm if this will actually do move construction on the
// shared_ptr.
pattern(meta.pattern),
dtype(meta.dtype),
device(meta.device),
storage(storage) {
KALDI_PARANOID_ASSERT(this->IsValid());
}
} // namespace kaldi
} // namespace tensor