Updated measurements crate.

Fix f64 test.

Author: thejpster

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "sensehat"
-version = "0.2.1"
+version = "0.3.0"
 authors = ["Jonathan Pallant <[email protected]>"]
 license-file = "LICENSE.md"
 documentation = "https://docs.rs/crate/sensehat"
@@ -10,7 +10,7 @@ description = "Interface with the Raspberry Pi Foundation's official Sense Hat s
 readme = "README.md"
 
 [dependencies]
-measurements = "0.4.0"
+measurements = "0.7.0"
 i2cdev = "0.3.1"
 byteorder = "1.0.0"
 libc = { version = "0.2.0", optional = true }

build.rs

@@ -2,7 +2,7 @@ extern crate gcc;
 
 #[cfg(feature = "rtimu")]
 fn main() {
-    gcc::Config::new()
+    gcc::Build::new()
         .cpp(true) // Switch to C++ library compilation.
         .file("src/rtimulib_wrapper.cc")
         .compile("librtimulib_wrapper.a");

src/lib.rs

@@ -248,7 +248,7 @@ mod tests {
     #[test]
     pub fn pressure_test() {
         let p = Pressure::from_hectopascals(1000.0);
-        assert_eq!(p.as_bars(), 1.0);
-        assert_eq!(p.as_psi(), 14.5038);
+        assert!((p.as_bars() - 1.0).abs() < 1e-6);
+        assert!((p.as_psi() - 14.50376807894691).abs() < 1e-6);
     }
 }