Add fmaf16 and fmaf128

Author: tgross35

src/math/fmaf128.rs

@@ -0,0 +1,4 @@
+#[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)]
+pub fn fmaf128(x: f128, y: f128, z: f128) -> f128 {
+    super::generic::fma(x, y, z)
+}

src/math/fmaf16.rs

@@ -0,0 +1,4 @@
+#[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)]
+pub fn fmaf16(x: f16, y: f16, z: f16) -> f16 {
+    super::generic::fma(x, y, z)
+}

src/math/generic/fma.rs

@@ -0,0 +1,6 @@
+use super::super::Float;
+
+/// Fused multiply add.
+pub fn fma<F: Float>(_x: F, _y: F, _z: F) -> F {
+    todo!()
+}

src/math/generic/mod.rs

@@ -1,5 +1,7 @@
 mod copysign;
 mod fabs;
+mod fma;
 
 pub use copysign::copysign;
 pub use fabs::fabs;
+pub use fma::fma;

src/math/mod.rs

@@ -336,19 +336,23 @@ cfg_if! {
     if #[cfg(f16_enabled)] {
         mod copysignf16;
         mod fabsf16;
+        mod fmaf16;
 
         pub use self::copysignf16::copysignf16;
         pub use self::fabsf16::fabsf16;
+        pub use self::fmaf16::fmaf16;
     }
 }
 
 cfg_if! {
     if #[cfg(f128_enabled)] {
         mod copysignf128;
         mod fabsf128;
+        mod fmaf128;
 
         pub use self::copysignf128::copysignf128;
         pub use self::fabsf128::fabsf128;
+        pub use self::fmaf128::fmaf128;
     }
 }