Line data    Source code

       1              : // Copyright 2024, UChicago Argonne, LLC
       2              : // All Rights Reserved
       3              : // Software Name: NEML2 -- the New Engineering material Model Library, version 2
       4              : // By: Argonne National Laboratory
       5              : // OPEN SOURCE LICENSE (MIT)
       6              : //
       7              : // Permission is hereby granted, free of charge, to any person obtaining a copy
       8              : // of this software and associated documentation files (the "Software"), to deal
       9              : // in the Software without restriction, including without limitation the rights
      10              : // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
      11              : // copies of the Software, and to permit persons to whom the Software is
      12              : // furnished to do so, subject to the following conditions:
      13              : //
      14              : // The above copyright notice and this permission notice shall be included in
      15              : // all copies or substantial portions of the Software.
      16              : //
      17              : // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      18              : // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      19              : // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
      20              : // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      21              : // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
      22              : // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
      23              : // THE SOFTWARE.
      24              : 
      25              : #include "neml2/tensors/functions/pow.h"
      26              : #include "neml2/tensors/tensors.h"
      27              : #include "neml2/tensors/assertions.h"
      28              : 
      29              : namespace neml2
      30              : {
      31              : #define DEFINE_POW(T)                                                                              \
      32              :   T pow(const T & a, const CScalar & n) { return T(at::pow(a, n), a.batch_sizes()); }              \
      33              :   T pow(const T & a, const Scalar & n)                                                             \
      34              :   {                                                                                                \
      35              :     neml_assert_batch_broadcastable_dbg(a, n);                                                     \
      36              :     return T(at::pow(a, n.base_unsqueeze_to(a.base_dim())), utils::broadcast_batch_dim(a, n));     \
      37              :   }                                                                                                \
      38              :   static_assert(true)
      39          620 : FOR_ALL_NONSCALAR_TENSORBASE(DEFINE_POW);
      40              : 
      41              : Scalar
      42         1000 : pow(const Scalar & a, const CScalar & n)
      43              : {
      44         2000 :   return Scalar(at::pow(a, n), a.batch_sizes());
      45              : }
      46              : 
      47              : Scalar
      48          192 : pow(const Scalar & a, const Scalar & n)
      49              : {
      50          192 :   neml_assert_batch_broadcastable_dbg(a, n);
      51          192 :   return Scalar(at::pow(a, n));
      52              : }
      53              : 
      54              : Scalar
      55            6 : pow(const CScalar & a, const Scalar & n)
      56              : {
      57           12 :   return Scalar(at::pow(a, n), n.batch_sizes());
      58              : }
      59              : 
      60              : Tensor
      61            0 : pow(const Tensor & a, const Tensor & n)
      62              : {
      63            0 :   neml_assert_batch_broadcastable_dbg(a, n);
      64            0 :   neml_assert_dbg(utils::sizes_broadcastable(a.base_sizes(), n.base_sizes()),
      65              :                   "Cannot broadcast tensors in pow");
      66            0 :   return Tensor(at::pow(a, n), utils::broadcast_batch_dim(a, n));
      67              : }
      68              : 
      69              : Tensor
      70            0 : pow(const CScalar & a, const Tensor & n)
      71              : {
      72            0 :   return Tensor(at::pow(a, n), n.batch_sizes());
      73              : }
      74              : } // namespace neml2