add atan, atan2, atan2f, atanf

src/lib.rs

@@ -26,3 +26,11 @@ pub mod asinf;
 pub mod asinh;
 #[path = "math/asinhf.rs"]
 pub mod asinhf;
+#[path = "math/atan.rs"]
+pub mod atan;
+#[path = "math/atan2.rs"]
+pub mod atan2;
+#[path = "math/atan2f.rs"]
+pub mod atan2f;
+#[path = "math/atanf.rs"]
+pub mod atanf;

src/math/atan.rs

@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: MPL-2.0
+/*
+ * File: src/math/atan.rs
+ *
+ * The atan function.
+ *
+ * Author: HTG-YT
+ * Copyright (c) 2021 The LibM Team of the HaruxOS Project
+ */
+
+#[no_mangle]
+pub extern "C" fn atan(x: f64) -> f64 {
+    libm::atan(x)
+}

src/math/atan2.rs

@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: MPL-2.0
+/*
+ * File: src/math/atan2.rs
+ *
+ * The atan2 function.
+ *
+ * Author: HTG-YT
+ * Copyright (c) 2021 The LibM Team of the HaruxOS Project
+ */
+
+#[no_mangle]
+pub extern "C" fn atan2(y: f64, x: f64) -> f64 {
+    libm::atan2(y, x)
+}

src/math/atan2f.rs

@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: MPL-2.0
+/*
+ * File: src/math/atan2f.rs
+ *
+ * The atan2f function.
+ *
+ * Author: HTG-YT
+ * Copyright (c) 2021 The LibM Team of the HaruxOS Project
+ */
+
+#[no_mangle]
+pub extern "C" fn atan2f(y: f32, x: f32) -> f32 {
+    libm::atan2f(y, x)
+}

src/math/atanf.rs

@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: MPL-2.0
+/*
+ * File: src/math/atanf.rs
+ *
+ * The atanf function.
+ *
+ * Author: HTG-YT
+ * Copyright (c) 2021 The LibM Team of the HaruxOS Project
+ */
+
+#[no_mangle]
+pub extern "C" fn atanf(x: f32) -> f32 {
+    libm::atanf(x)
+}