chore: import upstream snapshot with attribution

paddle/phi/api/ext/tensor_compat.h

@@ -0,0 +1,163 @@
+/* Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
+
+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
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#pragma once
+
+#include "paddle/phi/api/include/api.h"
+#include "paddle/phi/api/include/tensor.h"
+
+// Note(chenweihang): In order to be compatible with the original custom
+// operator Tensor interface, only available to external users, the file
+// cannot be included in paddle
+
+namespace paddle {
+// using several Tensor initialize functions in paddle namespace
+using experimental::abs;
+using experimental::acos;
+using experimental::acosh;
+using experimental::add;
+using experimental::addmm;
+using experimental::allclose;
+using experimental::argsort;
+using experimental::asin;
+using experimental::asinh;
+using experimental::atan;
+using experimental::atan2;
+using experimental::atanh;
+using experimental::bernoulli;
+using experimental::ceil;
+using experimental::cholesky;
+using experimental::cholesky_solve;
+using experimental::clip;
+using experimental::concat;
+using experimental::conj;
+using experimental::cos;
+using experimental::cosh;
+using experimental::cross;
+using experimental::det;
+using experimental::diag;
+using experimental::diagonal;
+using experimental::digamma;
+using experimental::dist;
+using experimental::divide;
+using experimental::dot;
+using experimental::elu;
+using experimental::empty;
+using experimental::empty_like;
+using experimental::equal;
+using experimental::equal_all;
+using experimental::erf;
+using experimental::erfinv;
+using experimental::exp;
+using experimental::expand;
+using experimental::expm1;
+using experimental::flatten;
+using experimental::flip;
+using experimental::floor;
+using experimental::floor_divide;
+using experimental::fmax;
+using experimental::fmin;
+using experimental::frame;
+using experimental::full;
+using experimental::gather;
+using experimental::gather_nd;
+using experimental::gelu;
+using experimental::greater_equal;
+using experimental::greater_than;
+using experimental::gumbel_softmax;
+using experimental::hardswish;
+using experimental::hardtanh;
+using experimental::imag;
+using experimental::increment;
+using experimental::index_sample;
+using experimental::is_empty;
+using experimental::isclose;
+using experimental::isfinite;
+using experimental::isinf;
+using experimental::isnan;
+using experimental::kron;
+using experimental::kthvalue;
+using experimental::label_smooth;
+using experimental::lerp;
+using experimental::less_equal;
+using experimental::less_than;
+using experimental::lgamma;
+using experimental::log;
+using experimental::log10;
+using experimental::log1p;
+using experimental::log2;
+using experimental::logit;
+using experimental::masked_select;
+using experimental::matmul;
+using experimental::matrix_power;
+using experimental::maximum;
+using experimental::maxout;
+using experimental::meshgrid;
+using experimental::minimum;
+using experimental::mode;
+using experimental::multi_dot;
+using experimental::multinomial;
+using experimental::multiply;
+using experimental::mv;
+using experimental::nll_loss;
+using experimental::not_equal;
+using experimental::npu_identity;
+using experimental::one_hot;
+using experimental::ones;
+using experimental::overlap_add;
+using experimental::pixel_shuffle;
+using experimental::poisson;
+using experimental::put_along_axis;
+using experimental::qr;
+using experimental::real;
+using experimental::reciprocal;
+using experimental::relu;
+using experimental::relu6;
+using experimental::remainder;
+using experimental::reshape;
+using experimental::roll;
+using experimental::round;
+using experimental::rsqrt;
+using experimental::scatter;
+using experimental::scatter_nd_add;
+using experimental::selu;
+using experimental::send_u_recv;
+using experimental::send_ue_recv;
+using experimental::send_uv;
+using experimental::sigmoid;
+using experimental::sign;
+using experimental::silu;
+using experimental::sin;
+using experimental::sinh;
+using experimental::split;
+using experimental::sqrt;
+using experimental::square;
+using experimental::stack;
+using experimental::standard_gamma;
+using experimental::strided_slice;
+using experimental::subtract;
+using experimental::swish;
+using experimental::tanh;
+using experimental::thresholded_relu;
+using experimental::tile;
+using experimental::trace;
+using experimental::triangular_solve;
+using experimental::tril;
+using experimental::unbind;
+using experimental::unique;
+using experimental::unsqueeze;
+using experimental::where;
+using experimental::zeros;
+
+}  // namespace paddle