[wasm] Add Sinh kernel

.vscode/settings.json

@@ -12,7 +12,7 @@
     "**/bazel-out/**/*": true,
     "**/bazel-genfiles/**/*": true,
     "**/bazel-testlogs/**/*": true,
-    "**/bazel-tfjs*/**/*": true,
+    "**/bazel-tfjs*/**/*": true
   },
   "files.trimTrailingWhitespace": true,
   "editor.tabSize": 2,

tfjs-backend-wasm/src/cc/BUILD.bazel

@@ -436,6 +436,7 @@ tfjs_cc_library(
         ":Sigmoid",
         ":Sign",
         ":Sin",
+        ":Sinh",
         ":Softmax",
         ":Softplus",
         ":SparseFillEmptyRows",
@@ -1524,6 +1525,15 @@ tfjs_cc_library(
     ],
 )
 
+tfjs_cc_library(
+    name = "Sinh",
+    srcs = ["kernels/Sinh.cc"],
+    deps = [
+        ":unary",
+        ":util",
+    ],
+)
+
 tfjs_cc_library(
     name = "Softmax",
     srcs = ["kernels/Softmax.cc"],

tfjs-backend-wasm/src/cc/kernels/Sinh.cc

@@ -0,0 +1,58 @@
+/* Copyright 2023 Google LLC.
+ * 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.
+ * ===========================================================================*/
+#ifdef __EMSCRIPTEN__
+#include <emscripten.h>
+#endif
+
+#include <cmath>
+
+#include "tfjs-backend-wasm/src/cc/unary.h"
+#include "tfjs-backend-wasm/src/cc/util.h"
+
+namespace tfjs {
+namespace wasm {
+
+namespace {
+
+template <typename T>
+inline T SinhImpl(T x) {
+  return static_cast<T>(std::sinhf(static_cast<float>(x)));
+}
+
+}  // namespace
+
+// We use C-style API to interface with Javascript.
+extern "C" {
+
+#ifdef __EMSCRIPTEN__
+EMSCRIPTEN_KEEPALIVE
+#endif
+
+void Sinh(const int x_id, const DType dtype, const int out_id) {
+  switch (dtype) {
+    case DType::float32:
+      unary_f32(x_id, out_id, SinhImpl<float>);
+      break;
+    case DType::int32:
+      unary_i32(x_id, out_id, SinhImpl<int32_t>);
+      break;
+    default:
+      util::warn("Sinh for tensor id %d failed. Unsupported dtype %d", x_id,
+                 dtype);
+  }
+}
+
+}  // extern "C"
+}  // namespace wasm
+}  // namespace tfjs

tfjs-backend-wasm/src/kernels/Sinh.ts

@@ -0,0 +1,21 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC.
+ * 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.
+ * =============================================================================
+ */
+import {KernelConfig, Sinh} from '@tensorflow/tfjs-core';
+
+import {createUnaryKernelConfig} from './unary_kernel';
+
+export const sinhConfig: KernelConfig = createUnaryKernelConfig(Sinh);

tfjs-backend-wasm/src/register_all_kernels.ts

@@ -140,6 +140,7 @@ import {seluConfig} from './kernels/Selu';
 import {sigmoidConfig} from './kernels/Sigmoid';
 import {signConfig} from './kernels/Sign';
 import {sinConfig} from './kernels/Sin';
+import {sinhConfig} from './kernels/Sinh';
 import {sliceConfig} from './kernels/Slice';
 import {softmaxConfig} from './kernels/Softmax';
 import {softplusConfig} from './kernels/Softplus';
@@ -294,6 +295,7 @@ const kernelConfigs: KernelConfig[] = [
   sigmoidConfig,
   signConfig,
   sinConfig,
+  sinhConfig,
   sliceConfig,
   softmaxConfig,
   softplusConfig,

tfjs-backend-wasm/src/setup_test.ts

@@ -298,6 +298,7 @@ const TEST_FILTERS: TestFilter[] = [
     ]
   },
   {startsWith: 'sin '},
+  {startsWith: 'sinh '},
   {
     startsWith: 'cos ',
     excludes: [