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add logit API #37844

Merged
merged 23 commits into from
Dec 13, 2021
Merged

add logit API #37844

merged 23 commits into from
Dec 13, 2021

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wangzhen38
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@wangzhen38 wangzhen38 commented Dec 3, 2021 •
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PR types

New features

PR changes

APIs

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add logit API，you can use this function as follows:

// logit(x) = ln(1/(1-x))
import paddle
x = paddle.to_tensor([0.23, 0.45])
out = paddle.logit(x)

截屏2021-12-08 下午7 45 26

截屏2021-12-08 下午7 45 43

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paddle-bot-old bot commented Dec 3, 2021

Thanks for your contribution!
Please wait for the result of CI firstly. See Paddle CI Manual for details.

jeff41404
jeff41404 reviewed Dec 9, 2021
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python/paddle/tensor/math.py Outdated
@@ -2614,6 +2614,60 @@ def atan2(x, y, name=None):
type='atan2', inputs=inputs, outputs={'Out': out})
return out

def logit(x, eps=0.0, name=None):
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default of eps should be None?

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DONE

@jeff41404
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this is elementwise operator, better to add in activation_op?

jeff41404
jeff41404 reviewed Dec 9, 2021
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python/paddle/fluid/tests/unittests/test_logit_op.py
np.random.seed(10)


def logit(x, eps):
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shall we add test case when eps is None?

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DONE

@wangzhen38 wangzhen38 changed the title Logit wz add logit API Dec 9, 2021
@PaddlePaddle PaddlePaddle locked and limited conversation to collaborators Dec 10, 2021
@PaddlePaddle PaddlePaddle unlocked this conversation Dec 10, 2021
@wangzhen38
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this is elementwise operator, better to add in activation_op?

DONE

jeff41404
jeff41404 approved these changes Dec 10, 2021
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lgtm

Superjomn
Superjomn approved these changes Dec 10, 2021
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LGTM

dingjiaweiww
dingjiaweiww approved these changes Dec 12, 2021
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LGTM

@frankwhzhang frankwhzhang merged commit b197bfe into PaddlePaddle:develop Dec 13, 2021
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@Superjomn Superjomn Superjomn approved these changes

@jeff41404 jeff41404 jeff41404 approved these changes

@dingjiaweiww dingjiaweiww dingjiaweiww approved these changes

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5 participants
@wangzhen38 @jeff41404 @Superjomn @dingjiaweiww @frankwhzhang