feat: add math/base/special/tanhf

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: na
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: passed
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: aryan7071

lib/node_modules/@stdlib/math/base/special/tanhf/include/stdlib/math/base/special/tanhf.h

@@ -16,7 +16,23 @@
 * limitations under the License.
 */
 
-#include "stdlib/math/base/special/tanhf.h"
-#include "stdlib/math/base/napi/unary.h"
+#ifndef STDLIB_MATH_BASE_SPECIAL_TANHF_H
+#define STDLIB_MATH_BASE_SPECIAL_TANHF_H
 
-STDLIB_MATH_BASE_NAPI_MODULE_F_F( stdlib_base_tanhf )
+/*
+* If C++, prevent name mangling so that the compiler emits a binary file having undecorated names, thus mirroring the behavior of a C compiler.
+*/
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+* Computes the hyperbolic tangent of a single-precision floating-point number.
+*/
+float stdlib_base_tanhf( const float x );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // !STDLIB_MATH_BASE_SPECIAL_TANHF_H