Add transforms' forward_shape and inverse_shape #887
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fritzo
previously approved these changes
Jan 22, 2021
fritzo
approved these changes
Jan 24, 2021
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| def forward_shape(self, shape): | ||
| out_shape = self.bijector.forward_event_shape(shape) | ||
| in_event_shape = self.bijector.inverse_event_shape(out_shape) | ||
| batch_shape = shape[:len(shape) - len(in_event_shape)] | ||
| return batch_shape + out_shape |
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This PR steals @fritzo implementation in pytorch/pytorch#50581 and resolve various issues that couldn't be addressed previously. Thanks for your effort, @fritzo!