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a9b0a921d5
Summary: As GoogleTest `TEST` macro is non-compliant with it as well as `DEFINE_DISPATCH` All changes but the ones to `.clang-tidy` are generated using following script: ``` for i in `find . -type f -iname "*.c*" -or -iname "*.h"|xargs grep cppcoreguidelines-avoid-non-const-global-variables|cut -f1 -d:|sort|uniq`; do sed -i "/\/\/ NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)/d" $i; done ``` Pull Request resolved: https://github.com/pytorch/pytorch/pull/62008 Reviewed By: driazati, r-barnes Differential Revision: D29838584 Pulled By: malfet fbshipit-source-id: 1b2f8602c945bd4ce50a9bfdd204755556e31d13
97 lines
2.2 KiB
C++
97 lines
2.2 KiB
C++
#include "caffe2/operators/sqrt_op.h"
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#include <string>
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#include <vector>
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namespace caffe2 {
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REGISTER_CPU_OPERATOR(
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Sqrt,
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UnaryElementwiseOp<
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TensorTypes<float, double>,
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CPUContext,
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SqrtFunctor<CPUContext>>);
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// Input: X, output: Y
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OPERATOR_SCHEMA(Sqrt)
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.NumInputs(1)
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.NumOutputs(1)
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.AllowInplace({{0, 0}})
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.IdenticalTypeAndShape()
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.SetDoc(R"DOC(
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Performs element-wise square-root ($\sqrt{x}$) of input tensor $X$.
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Github Link:
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- https://github.com/pytorch/pytorch/blob/master/caffe2/operators/sqrt_op.cc
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<details>
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<summary> <b>Example</b> </summary>
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**Code**
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```
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workspace.ResetWorkspace()
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op = core.CreateOperator(
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"Sqrt",
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["X"],
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["Y"],
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)
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workspace.FeedBlob("X", (np.random.randint(10, size=(3,3))).astype(np.float32))
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print("X:", workspace.FetchBlob("X"))
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workspace.RunOperatorOnce(op)
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print("Y:", workspace.FetchBlob("Y"))
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```
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**Result**
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```
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X:
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[[8. 3. 3.]
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[4. 0. 0.]
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[1. 2. 5.]]
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Y:
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[[2.8284268 1.7320508 1.7320508 ]
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[1.9999999 0. 0. ]
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[0.99999994 1.4142134 2.236068 ]]
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```
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</details>
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)DOC")
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.Input(0, "X", "*(type: Tensor`<float>`)* Input data tensor.")
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.Output(0, "Y", "*(type: Tensor`<float>`)* Output tensor.");
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namespace {
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class GetSqrtGradient : public GradientMakerBase {
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using GradientMakerBase::GradientMakerBase;
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std::vector<OperatorDef> GetGradientDefs() override {
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Argument scale_arg;
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scale_arg.set_name("scale");
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scale_arg.set_f(0.5);
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return std::vector<OperatorDef>{CreateOperatorDef(
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"Scale",
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"",
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std::vector<std::string>{GO(0)},
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std::vector<std::string>{GI(0)},
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std::vector<Argument>{scale_arg}),
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CreateOperatorDef(
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"Div",
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"",
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std::vector<std::string>{GI(0), O(0)},
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std::vector<std::string>{GI(0)})};
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}
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};
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} // namespace
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REGISTER_GRADIENT(Sqrt, GetSqrtGradient);
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} // namespace caffe2
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