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fix -Wcast-user-defined warning #3103

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Merged
davisking merged 1 commit into from
Aug 11, 2025
+6 −4
Merged

fix -Wcast-user-defined warning #3103

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10 changes: 6 additions & 4 deletions dlib/dnn/layers.h
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Original file line number Diff line number Diff line change
Expand Up @@ -2440,11 +2440,13 @@ namespace dlib
tt::assign_bias_gradient(pb, gi);
}
}

const auto& prev_gradient = sub.get_gradient_input();
auto sgi = alias_tensor(prev_gradient.num_samples() * prev_gradient.k() * prev_gradient.nr(), num_inputs)(prev_gradient, 0);

//prev_gradient is not const, so that sgi isn't const
//since sgi is used as a destination for tt::gemm
auto& prev_gradient = sub.get_gradient_input();
alias_tensor_instance sgi = alias_tensor(prev_gradient.num_samples() * prev_gradient.k() * prev_gradient.nr(), num_inputs)(prev_gradient, 0);
auto w = weights(params, 0);
tt::gemm(1, (tensor&)sgi, 1, gi, false, w, true);
tt::gemm(1, sgi, 1, gi, false, w, true);
}

alias_tensor_instance get_weights() { return weights(params, 0); }
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