add modf, modff, nextafter, nextafterf functions

src/lib.rs

@@ -162,3 +162,11 @@ pub mod log10;
 pub mod log10f;
 #[path = "math/logf.rs"]
 pub mod logf;
+#[path = "math/modf.rs"]
+pub mod modf;
+#[path = "math/modff.rs"]
+pub mod modff;
+#[path = "math/nextafter.rs"]
+pub mod nextafter;
+#[path = "math/nextafterf.rs"]
+pub mod nextafterf;

src/math/modf.rs

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

src/math/modff.rs

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

src/math/nextafter.rs

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

src/math/nextafterf.rs

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