add floor, floorf, fma, fmaf functions

src/lib.rs

@@ -90,3 +90,11 @@ pub mod fabsf;
 pub mod fdim;
 #[path = "math/fdimf.rs"]
 pub mod fdimf;
+#[path = "math/floor.rs"]
+pub mod floor;
+#[path = "math/floorf.rs"]
+pub mod floorf;
+#[path = "math/fma.rs"]
+pub mod fma;
+#[path = "math/fmaf.rs"]
+pub mod fmaf;

src/math/floor.rs

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

src/math/floorf.rs

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

src/math/fma.rs

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

src/math/fmaf.rs

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