fix readme example

Author: stencillogic

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "astro-float"
-version = "0.9.0"
+version = "0.9.1"
 edition = "2021"
 authors = ["stencillogic <[email protected]>"]
 license = "MIT"

README.md

@@ -28,7 +28,8 @@ use astro_float::expr;
 
 // Create a context with precision 1024, and rounding to even.
 let mut ctx = Context::new(1024, RoundingMode::ToEven, 
-    Consts::new().expect("Constants cache initialized"));
+    Consts::new().expect("Constants cache initialized"),
+    -10000, 10000);
 
 // Compute pi: pi = 6*arctan(1/sqrt(3))
 let pi = expr!(6 * atan(1 / sqrt(3)), &mut ctx);