| 412 | } |
| 413 | |
| 414 | std::vector<Tensor> TransposeGrad(const Tensor& x, const Tensor& p, |
| 415 | const Tensor& dy) { |
| 416 | auto T = DT_FLOAT; |
| 417 | auto gdef = test::function::GDef( |
| 418 | {f::NDef("x", "Placeholder", {}, {{"dtype", T}}), |
| 419 | f::NDef("p", "Placeholder", {}, {{"dtype", DT_INT32}}), |
| 420 | f::NDef("dy", "Placeholder", {}, {{"dtype", T}}), |
| 421 | f::NDef("dx", "SymbolicGradient", {"x", "p", "dy"}, |
| 422 | {{"f", FDH::FunctionRef("Transpose", {{"T", T}})}, |
| 423 | {"Tin", DataTypeSlice{T, DT_INT32, T}}, |
| 424 | {"Tout", DataTypeSlice{T, DT_INT32}}})}); |
| 425 | VLOG(1) << DebugStringWhole(gdef); |
| 426 | auto sess = NewSession(); |
| 427 | TF_CHECK_OK(sess->Create(gdef)); |
| 428 | std::vector<Tensor> out; |
| 429 | TF_CHECK_OK(sess->Run({{"x:0", x}, {"p:0", p}, {"dy:0", dy}}, |
| 430 | {"dx:0", "dx:1"}, {}, &out)); |
| 431 | CHECK_EQ(out.size(), 2); |
| 432 | TF_CHECK_OK(sess->Close()); |
| 433 | return out; |
| 434 | } |
| 435 | |
| 436 | TEST(ArrayGradTest, TransposeGrad) { |
| 437 | Tensor x(DT_FLOAT, {2, 4, 5}); |
no test coverage detected