| 305 | } |
| 306 | |
| 307 | std::vector<Tensor> ReshapeGrad(const Tensor& x, const Tensor& s, |
| 308 | const Tensor& dy) { |
| 309 | auto T = DT_FLOAT; |
| 310 | auto gdef = test::function::GDef( |
| 311 | {f::NDef("x", "Placeholder", {}, {{"dtype", T}}), |
| 312 | f::NDef("s", "Placeholder", {}, {{"dtype", DT_INT32}}), |
| 313 | f::NDef("dy", "Placeholder", {}, {{"dtype", T}}), |
| 314 | f::NDef("dx", "SymbolicGradient", {"x", "s", "dy"}, |
| 315 | {{"f", FDH::FunctionRef("Reshape", {{"T", T}})}, |
| 316 | {"Tin", DataTypeSlice{T, DT_INT32, T}}, |
| 317 | {"Tout", DataTypeSlice{T, DT_INT32}}})}); |
| 318 | VLOG(1) << DebugStringWhole(gdef); |
| 319 | auto sess = NewSession(); |
| 320 | TF_CHECK_OK(sess->Create(gdef)); |
| 321 | std::vector<Tensor> out; |
| 322 | TF_CHECK_OK(sess->Run({{"x:0", x}, {"s:0", s}, {"dy:0", dy}}, |
| 323 | {"dx:0", "dx:1"}, {}, &out)); |
| 324 | CHECK_EQ(out.size(), 2); |
| 325 | TF_CHECK_OK(sess->Close()); |
| 326 | return out; |
| 327 | } |
| 328 | |
| 329 | TEST(ArrayGradTest, ReshapeGrad) { |
| 330 | Tensor x(DT_FLOAT, {2, 4, 5}); |
no test coverage detected