add fabs, fabsf, fdim, fdimf functions

src/lib.rs

@@ -81,4 +81,12 @@ pub mod expf;
 #[path = "math/expm1.rs"]
 pub mod expm1;
 #[path = "math/expm1f.rs"]
-pub mod expm1f;
+pub mod expm1f;
+#[path = "math/fabs.rs"]
+pub mod fabs;
+#[path = "math/fabsf.rs"]
+pub mod fabsf;
+#[path = "math/fdim.rs"]
+pub mod fdim;
+#[path = "math/fdimf.rs"]
+pub mod fdimf;

src/math/fabs.rs

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

src/math/fabsf.rs

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

src/math/fdim.rs

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

src/math/fdimf.rs

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