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fix for div zero #34724

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Merged
merged 3 commits into from
Aug 10, 2021
Merged

fix for div zero #34724

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8eb6157
fix for div zero
zh794390558 Aug 9, 2021
e3b097e
fix err;test=develop
zh794390558 Aug 9, 2021
907d1ab
fix lod
zh794390558 Aug 9, 2021
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28 changes: 28 additions & 0 deletions paddle/fluid/operators/warpctc_op.h
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Original file line number Diff line number Diff line change
Expand Up @@ -199,6 +199,27 @@ class WarpCTCKernel : public framework::OpKernel<T> {
sequence_width = logits->dims()[2];
max_sequence_length = logits->dims()[0];

PADDLE_ENFORCE_GT(max_sequence_length, 0,
platform::errors::InvalidArgument(
"The first dimension of Input(Logits) should be "
"greater than zero "
"but received %d. ",
max_sequence_length));

PADDLE_ENFORCE_GT(num_sequences, 0,
platform::errors::InvalidArgument(
"The second dimension of Input(Logits) should be "
"greater than zero "
"but received %d. ",
num_sequences));

PADDLE_ENFORCE_GT(sequence_width, 0,
platform::errors::InvalidArgument(
"The third dimension of Input(Logits) should be "
"greater than zero "
"but received %d. ",
sequence_width));

auto* logits_length = ctx.Input<framework::Tensor>("LogitsLength");
auto* labels_length = ctx.Input<framework::Tensor>("LabelLength");
framework::Tensor logits_length_cpu;
Expand Down Expand Up @@ -229,6 +250,13 @@ class WarpCTCKernel : public framework::OpKernel<T> {
logits_lod = framework::ToAbsOffset(logits->lod())[0];
auto logits_dims = logits->dims();

PADDLE_ENFORCE_GT(logits_dims[0], 0,
platform::errors::InvalidArgument(
"The first dimension of Input(Logits) should be "
"greater than zero "
"but received %d. ",
logits_dims[0]));

PADDLE_ENFORCE_EQ(
logits_dims[0], static_cast<int64_t>(logits_lod.back()),
platform::errors::InvalidArgument(
Expand Down