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17 lines
372 B
Python
17 lines
372 B
Python
"""
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---
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title: Utility functions for DDPM experiment
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summary: >
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Utility functions for DDPM experiment
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---
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# Utility functions for [DDPM](index.html) experiemnt
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"""
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import torch.utils.data
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def gather(consts: torch.Tensor, t: torch.Tensor):
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"""Gather consts for $t$ and reshape to feature map shape"""
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c = consts.gather(-1, t)
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return c.reshape(-1, 1, 1, 1)
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