30 lines
1.1 KiB
Diff
30 lines
1.1 KiB
Diff
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From c283e542a3f422420cfdb332414543b62fc4e4a5 Mon Sep 17 00:00:00 2001
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From: Laura Pak <lpak@google.com>
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Date: Tue, 27 Jul 2021 10:55:35 -0700
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Subject: [PATCH] Disallow negative ngram_widths values in
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tf.raw_ops.StringNGrams
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PiperOrigin-RevId: 387148179
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Change-Id: I641395a09a208be72ef9b3ceb128cf8a83a0775b
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---
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tensorflow/core/kernels/string_ngrams_op.cc | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/tensorflow/core/kernels/string_ngrams_op.cc b/tensorflow/core/kernels/string_ngrams_op.cc
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index 7008a1d766af2..97af9abc4454a 100644
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--- a/tensorflow/core/kernels/string_ngrams_op.cc
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+++ b/tensorflow/core/kernels/string_ngrams_op.cc
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@@ -53,6 +53,12 @@ class StringNGramsOp : public tensorflow::OpKernel {
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}
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void Compute(tensorflow::OpKernelContext* context) override {
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+ for (int ngram_width : ngram_widths_) {
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+ OP_REQUIRES(
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+ context, ngram_width > 0,
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+ errors::InvalidArgument("ngram_widths must contain positive values"));
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+ }
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+
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const tensorflow::Tensor* data;
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OP_REQUIRES_OK(context, context->input("data", &data));
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const auto& input_data = data->flat<tstring>().data();
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