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

58 lines
1.7 KiB
Python

import torch
import pytest
from pina.model.block import LowRankBlock
from pina import LabelTensor
input_dimensions=2
embedding_dimenion=1
rank=4
inner_size=20
n_layers=2
func=torch.nn.Tanh
bias=True
def test_constructor():
LowRankBlock(input_dimensions=input_dimensions,
embedding_dimenion=embedding_dimenion,
rank=rank,
inner_size=inner_size,
n_layers=n_layers,
func=func,
bias=bias)
def test_constructor_wrong():
with pytest.raises(ValueError):
LowRankBlock(input_dimensions=input_dimensions,
embedding_dimenion=embedding_dimenion,
rank=0.5,
inner_size=inner_size,
n_layers=n_layers,
func=func,
bias=bias)
def test_forward():
block = LowRankBlock(input_dimensions=input_dimensions,
embedding_dimenion=embedding_dimenion,
rank=rank,
inner_size=inner_size,
n_layers=n_layers,
func=func,
bias=bias)
data = LabelTensor(torch.rand(10, 30, 3), labels=['x', 'y', 'u'])
block(data.extract('u'), data.extract(['x', 'y']))
def test_backward():
block = LowRankBlock(input_dimensions=input_dimensions,
embedding_dimenion=embedding_dimenion,
rank=rank,
inner_size=inner_size,
n_layers=n_layers,
func=func,
bias=bias)
data = LabelTensor(torch.rand(10, 30, 3), labels=['x', 'y', 'u'])
data.requires_grad_(True)
out = block(data.extract('u'), data.extract(['x', 'y']))
loss = out.mean()
loss.backward()