From 79955a19beae54040dd68907807429873fe2c226 Mon Sep 17 00:00:00 2001
From: Chris <Caemor@users.noreply.github.com>
Date: Wed, 16 Jan 2019 16:56:59 +0100
Subject: [PATCH] Fix the no_std f32 errors

---
 src/calc.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/calc.rs b/src/calc.rs
index 83a7bd2..06ce44f 100644
--- a/src/calc.rs
+++ b/src/calc.rs
@@ -55,7 +55,10 @@ impl Calc {
         let temp_offset =  match temp_offset {
             None => 0i32,
             Some(offset) if offset == 0.0 => 0i32,
-            Some(offset) => offset.signum() as i32 * (((((offset.abs() * 100.0) as i32) << 8) - 128) / 5),
+            Some(offset) => {
+                let signum: i32 = if offset.gt(&0.0) { 1 } else { -1 };
+                signum * (((((offset * 100.0) as i32).abs() << 8) - 128) / 5)
+            },
         };
 
         let t_fine: i32 = (var2 + var3) as i32  + temp_offset;