【Hackathon 5th No.11】add gammaincc and gammainc API

paddle/phi/api/yaml/backward.yaml

@@ -1097,6 +1097,26 @@
   kernel :
     func : i1e_grad
 
+- backward_op : igamma_grad
+  forward : igamma(Tensor x, Tensor a) -> Tensor(out)
+  args : (Tensor x, Tensor a, Tensor out_grad)
+  output : Tensor(x_grad)
+  infer_meta :
+    func : UnchangedInferMeta
+    param : [x]
+  kernel :
+    func : igamma_grad
+
+- backward_op : igammac_grad
+  forward : igammac(Tensor x, Tensor a) -> Tensor(out)
+  args : (Tensor x, Tensor a, Tensor out_grad)
+  output : Tensor(x_grad)
+  infer_meta :
+    func : UnchangedInferMeta
+    param : [x]
+  kernel :
+    func : igammac_grad
+
 - backward_op : imag_grad
   forward : imag (Tensor x) -> Tensor(out)
   args : (Tensor out_grad)

paddle/phi/api/yaml/ops.yaml

@@ -1228,6 +1228,28 @@
     func : i1e
   backward : i1e_grad
 
+- op : igamma
+  args : (Tensor x, Tensor a)
+  output : Tensor(out)
+  infer_meta :
+    func : ElementwiseInferMeta
+    param : [x, a]
+  kernel :
+    func : igamma
+  inplace: (x -> out)
+  backward : igamma_grad
+
+- op : igammac
+  args : (Tensor x, Tensor a)
+  output : Tensor(out)
+  infer_meta :
+    func : ElementwiseInferMeta
+    param : [x, a]
+  kernel :
+    func : igammac
+  inplace: (x -> out)
+  backward : igammac_grad
+
 - op : imag
   args : (Tensor x)
   output : Tensor (out)

paddle/phi/kernels/cpu/igamma_grad_kernel.cc

@@ -0,0 +1,22 @@
+// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "paddle/phi/kernels/igamma_grad_kernel.h"
+
+#include "paddle/phi/backends/cpu/cpu_context.h"
+#include "paddle/phi/core/kernel_registry.h"
+#include "paddle/phi/kernels/impl/igamma_grad_kernel_impl.h"
+
+PD_REGISTER_KERNEL(
+    igamma_grad, CPU, ALL_LAYOUT, phi::IgammaGradKernel, float, double) {}

paddle/phi/kernels/cpu/igamma_kernel.cc

@@ -0,0 +1,22 @@
+// Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "paddle/phi/kernels/igamma_kernel.h"
+
+#include "paddle/phi/backends/cpu/cpu_context.h"
+#include "paddle/phi/core/kernel_registry.h"
+
+#include "paddle/phi/kernels/impl/igamma_kernel_impl.h"
+
+PD_REGISTER_KERNEL(igamma, CPU, ALL_LAYOUT, phi::IgammaKernel, float, double) {}

paddle/phi/kernels/cpu/igammac_grad_kernel.cc

@@ -0,0 +1,22 @@
+// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "paddle/phi/kernels/igammac_grad_kernel.h"
+
+#include "paddle/phi/backends/cpu/cpu_context.h"
+#include "paddle/phi/core/kernel_registry.h"
+#include "paddle/phi/kernels/impl/igammac_grad_kernel_impl.h"
+
+PD_REGISTER_KERNEL(
+    igammac_grad, CPU, ALL_LAYOUT, phi::IgammacGradKernel, float, double) {}

paddle/phi/kernels/cpu/igammac_kernel.cc

@@ -0,0 +1,23 @@
+// Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "paddle/phi/kernels/igammac_kernel.h"
+
+#include "paddle/phi/backends/cpu/cpu_context.h"
+#include "paddle/phi/core/kernel_registry.h"
+
+#include "paddle/phi/kernels/impl/igammac_kernel_impl.h"
+
+PD_REGISTER_KERNEL(
+    igammac, CPU, ALL_LAYOUT, phi::IgammacKernel, float, double) {}

paddle/phi/kernels/gpu/igamma_grad_kernel.cu

@@ -0,0 +1,22 @@
+// Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "paddle/phi/kernels/igamma_grad_kernel.h"
+
+#include "paddle/phi/backends/gpu/gpu_context.h"
+#include "paddle/phi/core/kernel_registry.h"
+#include "paddle/phi/kernels/impl/igamma_grad_kernel_impl.h"
+
+PD_REGISTER_KERNEL(
+    igamma_grad, GPU, ALL_LAYOUT, phi::IgammaGradKernel, float, double) {}

paddle/phi/kernels/gpu/igamma_kernel.cu

@@ -0,0 +1,22 @@
+// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "paddle/phi/kernels/igamma_kernel.h"
+
+#include "paddle/phi/backends/gpu/gpu_context.h"
+#include "paddle/phi/core/kernel_registry.h"
+
+#include "paddle/phi/kernels/impl/igamma_kernel_impl.h"
+
+PD_REGISTER_KERNEL(igamma, GPU, ALL_LAYOUT, phi::IgammaKernel, float, double) {}

paddle/phi/kernels/gpu/igammac_grad_kernel.cu

@@ -0,0 +1,22 @@
+// Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "paddle/phi/kernels/igammac_grad_kernel.h"
+
+#include "paddle/phi/backends/gpu/gpu_context.h"
+#include "paddle/phi/core/kernel_registry.h"
+#include "paddle/phi/kernels/impl/igammac_grad_kernel_impl.h"
+
+PD_REGISTER_KERNEL(
+    igammac_grad, GPU, ALL_LAYOUT, phi::IgammacGradKernel, float, double) {}

paddle/phi/kernels/gpu/igammac_kernel.cu

@@ -0,0 +1,23 @@
+// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "paddle/phi/kernels/igammac_kernel.h"
+
+#include "paddle/phi/backends/gpu/gpu_context.h"
+#include "paddle/phi/core/kernel_registry.h"
+
+#include "paddle/phi/kernels/impl/igammac_kernel_impl.h"
+
+PD_REGISTER_KERNEL(
+    igammac, GPU, ALL_LAYOUT, phi::IgammacKernel, float, double) {}

paddle/phi/kernels/igamma_grad_kernel.h

@@ -0,0 +1,28 @@
+
+// Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+
+#include "paddle/phi/core/dense_tensor.h"
+
+namespace phi {
+
+template <typename T, typename Context>
+void IgammaGradKernel(const Context& dev_ctx,
+                      const DenseTensor& x,
+                      const DenseTensor& a,
+                      const DenseTensor& d_out,
+                      DenseTensor* d_x);
+}  // namespace phi

paddle/phi/kernels/igamma_kernel.h

@@ -0,0 +1,27 @@
+
+// Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+
+#include "paddle/phi/core/dense_tensor.h"
+
+namespace phi {
+
+template <typename T, typename Context>
+void IgammaKernel(const Context& dev_ctx,
+                  const DenseTensor& x,
+                  const DenseTensor& a,
+                  DenseTensor* out);
+}  // namespace phi

paddle/phi/kernels/igammac_grad_kernel.h

@@ -0,0 +1,28 @@
+
+// Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+
+#include "paddle/phi/core/dense_tensor.h"
+
+namespace phi {
+
+template <typename T, typename Context>
+void IgammacGradKernel(const Context& dev_ctx,
+                       const DenseTensor& x,
+                       const DenseTensor& a,
+                       const DenseTensor& d_out,
+                       DenseTensor* d_x);
+}  // namespace phi

paddle/phi/kernels/igammac_kernel.h

@@ -0,0 +1,27 @@
+
+// Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+
+#include "paddle/phi/core/dense_tensor.h"
+
+namespace phi {
+
+template <typename T, typename Context>
+void IgammacKernel(const Context& dev_ctx,
+                   const DenseTensor& x,
+                   const DenseTensor& a,
+                   DenseTensor* out);
+}  // namespace phi