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PINA/tests/test_model/test_average_neural_operator.py
gc031298 ed0a8bd5e7 renaming
2025-03-19 17:46:36 +01:00

146 lines
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Python

import torch
from pina.model import AveragingNeuralOperator
from pina import LabelTensor
import pytest
batch_size = 15
n_layers = 4
embedding_dim = 24
func = torch.nn.Tanh
coordinates_indices = ['p']
field_indices = ['v']
def test_constructor():
# working constructor
lifting_net = torch.nn.Linear(len(coordinates_indices) + len(field_indices),
embedding_dim)
projecting_net = torch.nn.Linear(embedding_dim + len(field_indices),
len(field_indices))
AveragingNeuralOperator(
lifting_net=lifting_net,
projecting_net=projecting_net,
coordinates_indices=coordinates_indices,
field_indices=field_indices,
n_layers=n_layers,
func=func)
# not working constructor
with pytest.raises(ValueError):
AveragingNeuralOperator(
lifting_net=lifting_net,
projecting_net=projecting_net,
coordinates_indices=coordinates_indices,
field_indices=field_indices,
n_layers=3.2, # wrong
func=func)
AveragingNeuralOperator(
lifting_net=lifting_net,
projecting_net=projecting_net,
coordinates_indices=coordinates_indices,
field_indices=field_indices,
n_layers=n_layers,
func=1) # wrong
AveragingNeuralOperator(
lifting_net=[0], # wrong
projecting_net=projecting_net,
coordinates_indices=coordinates_indices,
field_indices=field_indices,
n_layers=n_layers,
func=func)
AveragingNeuralOperator(
lifting_net=lifting_net,
projecting_net=[0], # wront
coordinates_indices=coordinates_indices,
field_indices=field_indices,
n_layers=n_layers,
func=func)
AveragingNeuralOperator(
lifting_net=lifting_net,
projecting_net=projecting_net,
coordinates_indices=[0], #wrong
field_indices=field_indices,
n_layers=n_layers,
func=func)
AveragingNeuralOperator(
lifting_net=lifting_net,
projecting_net=projecting_net,
coordinates_indices=coordinates_indices,
field_indices=[0], #wrong
n_layers=n_layers,
func=func)
lifting_net = torch.nn.Linear(len(coordinates_indices),
embedding_dim)
AveragingNeuralOperator(
lifting_net=lifting_net,
projecting_net=projecting_net,
coordinates_indices=coordinates_indices,
field_indices=field_indices,
n_layers=n_layers,
func=func)
lifting_net = torch.nn.Linear(len(coordinates_indices) + len(field_indices),
embedding_dim)
projecting_net = torch.nn.Linear(embedding_dim,
len(field_indices))
AveragingNeuralOperator(
lifting_net=lifting_net,
projecting_net=projecting_net,
coordinates_indices=coordinates_indices,
field_indices=field_indices,
n_layers=n_layers,
func=func)
def test_forward():
lifting_net = torch.nn.Linear(len(coordinates_indices) + len(field_indices),
embedding_dim)
projecting_net = torch.nn.Linear(embedding_dim + len(field_indices),
len(field_indices))
avno=AveragingNeuralOperator(
lifting_net=lifting_net,
projecting_net=projecting_net,
coordinates_indices=coordinates_indices,
field_indices=field_indices,
n_layers=n_layers,
func=func)
input_ = LabelTensor(
torch.rand(batch_size, 100,
len(coordinates_indices) + len(field_indices)), ['p', 'v'])
out = avno(input_)
assert out.shape == torch.Size(
[batch_size, input_.shape[1], len(field_indices)])
def test_backward():
lifting_net = torch.nn.Linear(len(coordinates_indices) + len(field_indices),
embedding_dim)
projecting_net = torch.nn.Linear(embedding_dim + len(field_indices),
len(field_indices))
avno=AveragingNeuralOperator(
lifting_net=lifting_net,
projecting_net=projecting_net,
coordinates_indices=coordinates_indices,
field_indices=field_indices,
n_layers=n_layers,
func=func)
input_ = LabelTensor(
torch.rand(batch_size, 100,
len(coordinates_indices) + len(field_indices)), ['p', 'v'])
input_ = input_.requires_grad_()
out = avno(input_)
tmp = torch.linalg.norm(out)
tmp.backward()
grad = input_.grad
assert grad.shape == torch.Size(
[batch_size, input_.shape[1],
len(coordinates_indices) + len(field_indices)])