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stdlib-js · Dec 3, 2024 · 2d43846 · 2d43846
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -4,7 +4,7 @@
 
 <section class="release" id="unreleased">
 
-## Unreleased (2024-12-02)
+## Unreleased (2024-12-03)
 
 <section class="packages">
 
@@ -32,6 +32,28 @@
 
 <!-- /.package -->
 
+<section class="package" id="math-base-napi-unreleased">
+
+#### [@stdlib/math/base/napi](https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/napi)
+
+<details>
+
+<section class="features">
+
+##### Features
+
+-   [`7d8ab5a`](https://github.com/stdlib-js/stdlib/commit/7d8ab5a148946f94121316cc1dc5d22936e7ea57) - add `ii_f` API in `math/base/napi/binary` [(#3315)](https://github.com/stdlib-js/stdlib/pull/3315)
+
+</section>
+
+<!-- /.features -->
+
+</details>
+
+</section>
+
+<!-- /.package -->
+
 <section class="package" id="math-base-ops-cdiv-unreleased">
 
 #### [@stdlib/math/base/ops/cdiv](https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/ops/cdiv)
@@ -2618,6 +2640,7 @@ A total of 5 people contributed to this release. Thank you to the following cont
 
 <details>
 
+-   [`7d8ab5a`](https://github.com/stdlib-js/stdlib/commit/7d8ab5a148946f94121316cc1dc5d22936e7ea57) - **feat:** add `ii_f` API in `math/base/napi/binary` [(#3315)](https://github.com/stdlib-js/stdlib/pull/3315) _(by Gunj Joshi)_
 -   [`c0d083d`](https://github.com/stdlib-js/stdlib/commit/c0d083d4329c439d9c002479740518584e5f5977) - **feat:** add `math/base/special/lcmf` _(by Aayush Khanna, stdlib-bot)_
 -   [`92c0d4e`](https://github.com/stdlib-js/stdlib/commit/92c0d4e65a8ffef2a2264ba906cfe8020c483b13) - **docs:** clean-up and use C floats when appropriate _(by Philipp Burckhardt)_
 -   [`d24969e`](https://github.com/stdlib-js/stdlib/commit/d24969e35be1cfbff2e0d62d740c451e476ee444) - **chore:** update package meta data [(#3303)](https://github.com/stdlib-js/stdlib/pull/3303) _(by stdlib-bot, Athan Reines)_

diff --git a/base/napi/binary/README.md b/base/napi/binary/README.md
@@ -595,6 +595,46 @@ The function accepts the following arguments:
 void stdlib_math_base_napi_ll_d( napi_env env, napi_callback_info info, double (*fcn)( int64_t, int64_t ) );
 ```
 
+#### stdlib_math_base_napi_ii_f( env, info, fcn )
+
+Invokes a binary function accepting signed 32-bit integers and returning a single-precision floating-point number.
+
+```c
+#include <node_api.h>
+#include <stdint.h>
+
+// ...
+
+static float fcn( const int32_t x, const int32_t y ) {
+    // ...
+}
+
+// ...
+
+/**
+* Receives JavaScript callback invocation data.
+*
+* @param env    environment under which the function is invoked
+* @param info   callback data
+* @return       Node-API value
+*/
+napi_value addon( napi_env env, napi_callback_info info ) {
+    return stdlib_math_base_napi_ii_f( env, info, fcn );
+}
+
+// ...
+```
+
+The function accepts the following arguments:
+
+-   **env**: `[in] napi_env` environment under which the function is invoked.
+-   **info**: `[in] napi_callback_info` callback data.
+-   **fcn**: `[in] float (*fcn)( int32_t, int32_t )` binary function.
+
+```c
+void stdlib_math_base_napi_ii_f( napi_env env, napi_callback_info info, float (*fcn)( int32_t, int32_t ) );
+```
+
 #### STDLIB_MATH_BASE_NAPI_MODULE_DD_D( fcn )
 
 Macro for registering a Node-API module exporting an interface for invoking a binary function accepting and returning double-precision floating-point numbers.
@@ -964,6 +1004,29 @@ The macro expects the following arguments:
 
 When used, this macro should be used **instead of** `NAPI_MODULE`. The macro includes `NAPI_MODULE`, thus ensuring Node-API module registration.
 
+#### STDLIB_MATH_BASE_NAPI_MODULE_II_F( fcn )
+
+Macro for registering a Node-API module exporting an interface for invoking a binary function accepting signed 32-bit integers and returning a single-precision floating-point number.
+
+```c
+#include <stdint.h>
+
+static float fcn( const int32_t x, const int32_t y ) {
+    // ...
+}
+
+// ...
+
+// Register a Node-API module:
+STDLIB_MATH_BASE_NAPI_MODULE_II_F( fcn );
+```
+
+The macro expects the following arguments:
+
+-   **fcn**: `float (*fcn)( int32_t, int32_t )` binary function.
+
+When used, this macro should be used **instead of** `NAPI_MODULE`. The macro includes `NAPI_MODULE`, thus ensuring Node-API module registration.
+
 </section>
 
 <!-- /.usage -->

diff --git a/base/napi/binary/include/stdlib/math/base/napi/binary.h b/base/napi/binary/include/stdlib/math/base/napi/binary.h
@@ -616,6 +616,48 @@
 	};                                                                         \
 	NAPI_MODULE( NODE_GYP_MODULE_NAME, stdlib_math_base_napi_ll_d_init )
 
+/**
+* Macro for registering a Node-API module exporting an interface invoking a binary function accepting signed 32-bit integers and returning a single-precision floating-point number.
+*
+* @param fcn   binary function
+*
+* @example
+* #include <stdint.h>
+*
+* static float fcn( const int_32 x, const int_32 y ) {
+*     // ...
+* }
+*
+* // ...
+*
+* // Register a Node-API module:
+* STDLIB_MATH_BASE_NAPI_MODULE_II_F( fcn );
+*/
+#define STDLIB_MATH_BASE_NAPI_MODULE_II_F( fcn )                               \
+	static napi_value stdlib_math_base_napi_ii_f_wrapper(                      \
+		napi_env env,                                                          \
+		napi_callback_info info                                                \
+	) {                                                                        \
+		return stdlib_math_base_napi_ii_f( env, info, fcn );                   \
+	};                                                                         \
+	static napi_value stdlib_math_base_napi_ii_f_init(                         \
+		napi_env env,                                                          \
+		napi_value exports                                                     \
+	) {                                                                        \
+		napi_value fcn;                                                        \
+		napi_status status = napi_create_function(                             \
+			env,                                                               \
+			"exports",                                                         \
+			NAPI_AUTO_LENGTH,                                                  \
+			stdlib_math_base_napi_ii_f_wrapper,                                \
+			NULL,                                                              \
+			&fcn                                                               \
+		);                                                                     \
+		assert( status == napi_ok );                                           \
+		return fcn;                                                            \
+	};                                                                         \
+	NAPI_MODULE( NODE_GYP_MODULE_NAME, stdlib_math_base_napi_ii_f_init )
+
 /*
 * If C++, prevent name mangling so that the compiler emits a binary file having undecorated names, thus mirroring the behavior of a C compiler.
 */
@@ -688,6 +730,11 @@ napi_value stdlib_math_base_napi_cf_c( napi_env env, napi_callback_info info, st
 */
 napi_value stdlib_math_base_napi_ll_d( napi_env env, napi_callback_info info, double (*fcn)( int64_t, int64_t ) );
 
+/**
+* Invokes a binary function accepting signed 32-bit integers and returning a single-precision floating-point number.
+*/
+napi_value stdlib_math_base_napi_ii_f( napi_env env, napi_callback_info info, float (*fcn)( int32_t, int32_t ) );
+
 #ifdef __cplusplus
 }
 #endif

diff --git a/base/napi/binary/src/main.c b/base/napi/binary/src/main.c
@@ -1247,3 +1247,65 @@ napi_value stdlib_math_base_napi_ll_d( napi_env env, napi_callback_info info, do
 
 	return v;
 }
+
+/**
+* Invokes a binary function accepting signed 32-bit integers and returning a single-precision floating-point number.
+*
+* ## Notes
+*
+* -   This function expects that the callback `info` argument provides access to the following JavaScript arguments:
+*
+*     -   `x`: input value.
+*     -   `y`: input value.
+*
+* @param env    environment under which the function is invoked
+* @param info   callback data
+* @param fcn    binary function
+* @return       function return value as a Node-API single-precision floating-point number
+*/
+napi_value stdlib_math_base_napi_ii_f( napi_env env, napi_callback_info info, float (*fcn)( int32_t, int32_t ) ) {
+	napi_status status;
+
+	size_t argc = 2;
+	napi_value argv[ 2 ];
+	status = napi_get_cb_info( env, info, &argc, argv, NULL, NULL );
+	assert( status == napi_ok );
+
+	if ( argc < 2 ) {
+		status = napi_throw_error( env, NULL, "invalid invocation. Must provide two numbers." );
+		assert( status == napi_ok );
+		return NULL;
+	}
+
+	napi_valuetype vtype0;
+	status = napi_typeof( env, argv[ 0 ], &vtype0 );
+	assert( status == napi_ok );
+	if ( vtype0 != napi_number ) {
+		status = napi_throw_type_error( env, NULL, "invalid argument. First argument must be a number." );
+		assert( status == napi_ok );
+		return NULL;
+	}
+
+	napi_valuetype vtype1;
+	status = napi_typeof( env, argv[ 1 ], &vtype1 );
+	assert( status == napi_ok );
+	if ( vtype1 != napi_number ) {
+		status = napi_throw_type_error( env, NULL, "invalid argument. Second argument must be a number." );
+		assert( status == napi_ok );
+		return NULL;
+	}
+
+	int32_t x;
+	status = napi_get_value_int32( env, argv[ 0 ], &x );
+	assert( status == napi_ok );
+
+	int32_t y;
+	status = napi_get_value_int32( env, argv[ 1 ], &y );
+	assert( status == napi_ok );
+
+	napi_value v;
+	status = napi_create_double( env, (double)fcn( x, y ), &v );
+	assert( status == napi_ok );
+
+	return v;
+}