From 7ec426b5a8e8c79149a99c88e96a3fb7ce0374d0 Mon Sep 17 00:00:00 2001
From: Magnus Ulimoen <magnus@ulimoen.dev>
Date: Wed, 3 Feb 2021 08:31:33 +0100
Subject: [PATCH] add more fast intrinsics

---
 sbp/src/operators/algos/fastfloat.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sbp/src/operators/algos/fastfloat.rs b/sbp/src/operators/algos/fastfloat.rs
index efad00b..f4e4e8b 100644
--- a/sbp/src/operators/algos/fastfloat.rs
+++ b/sbp/src/operators/algos/fastfloat.rs
@@ -4,7 +4,7 @@ use super::*;
 #[derive(Copy, Clone, Debug, PartialEq, Default)]
 pub(crate) struct FastFloat(Float);
 
-use core::intrinsics::{fadd_fast, fmul_fast};
+use core::intrinsics::{fadd_fast, fdiv_fast, fmul_fast, fsub_fast};
 
 impl core::ops::Mul for FastFloat {
     type Output = Self;
@@ -58,7 +58,7 @@ impl core::ops::Sub for FastFloat {
     type Output = Self;
     #[inline(always)]
     fn sub(self, o: FastFloat) -> Self::Output {
-        unsafe { Self(fadd_fast(self.0, -o.0)) }
+        unsafe { Self(fsub_fast(self.0, o.0)) }
     }
 }
 
@@ -66,7 +66,7 @@ impl core::ops::Div for FastFloat {
     type Output = Self;
     #[inline(always)]
     fn div(self, o: FastFloat) -> Self::Output {
-        Self(self.0 / o.0)
+        unsafe { Self(fdiv_fast(self.0, o.0)) }
     }
 }