chore: add structured package data for math/base/special/tanh

PR-URL: #8281
Ref: #7924
Co-authored-by: Athan Reines <kgryte@gmail.com>
Reviewed-by: Athan Reines <kgryte@gmail.com>

Author: manvith2003

lib/node_modules/@stdlib/math/base/special/tanh/package.json

@@ -68,5 +68,85 @@
     "angle",
     "polyfill",
     "ponyfill"
-  ]
+  ],
+  "__stdlib__": {
+    "scaffold": {
+      "$schema": "math/base@v1.0",
+      "base_alias": "tanh",
+      "alias": "tanh",
+      "pkg_desc": "compute the hyperbolic tangent of a double-precision floating-point number",
+      "desc": "computes the hyperbolic tangent of a double-precision floating-point number",
+      "short_desc": "hyperbolic tangent",
+      "parameters": [
+        {
+          "name": "x",
+          "desc": "input value (in radians)",
+          "type": {
+            "javascript": "number",
+            "jsdoc": "number",
+            "c": "double",
+            "dtype": "float64"
+          },
+          "domain": [
+            {
+              "min": "-infinity",
+              "max": "infinity"
+            }
+          ],
+          "rand": {
+            "prng": "random/base/uniform",
+            "parameters": [
+              -10,
+              10
+            ]
+          },
+          "example_values": [
+            0,
+            0.5236,
+            0.7854,
+            1.0472,
+            1.5708,
+            3.1416,
+            4.7124,
+            6.2832,
+            -0.7854,
+            -1.5708,
+            -3.1416,
+            5,
+            -2,
+            0.1,
+            -0.1,
+            2.3562,
+            -2.3562,
+            7.85398,
+            -7.85398,
+            10
+          ]
+        }
+      ],
+      "output_policy": "real_floating_point_and_generic",
+      "returns": {
+        "desc": "hyperbolic tangent",
+        "type": {
+          "javascript": "number",
+          "jsdoc": "number",
+          "c": "double",
+          "dtype": "float64"
+        }
+      },
+      "keywords": [
+        "tangent",
+        "tan",
+        "tanh",
+        "hyperbolic",
+        "trig",
+        "trigonometry",
+        "radians",
+        "angle"
+      ],
+      "extra_keywords": [
+        "math.tanh"
+      ]
+    }
+  }
 }