Refactor 2_f32.powf(exponent) as exponent_f.exp2()

mtilda · mtilda · commit b31ea5834633 · 2024-06-27T11:57:49.000-04:00
diff --git a/src/float.rs b/src/float.rs
@@ -2418,7 +2418,7 @@ mod tests {
             let mantissa_f = mantissa as f32;
             let exponent_f = exponent as f32;
 
-            let abs_difference = (sign_f * mantissa_f * 2_f32.powf(exponent_f) - x).abs();
+            let abs_difference = (sign_f * mantissa_f * exponent_f.exp2() - x).abs();
 
             assert!(abs_difference < 1e-10, "absolute difference {} must be less than 1e-10", abs_difference);
         }
@@ -2462,7 +2462,7 @@ mod tests {
             let mantissa_f = mantissa as f64;
             let exponent_f = exponent as f64;
 
-            let abs_difference = (sign_f * mantissa_f * 2_f64.powf(exponent_f) - x).abs();
+            let abs_difference = (sign_f * mantissa_f * exponent_f.exp2() - x).abs();
 
             assert!(abs_difference < 1e-10, "absolute difference {} must be less than 1e-10", abs_difference);
         }

Original file line number	Diff line number	Diff line change
`@@ -2418,7 +2418,7 @@ mod tests {`
`2418`	`2418`	`let mantissa_f = mantissa as f32;`
`2419`	`2419`	`let exponent_f = exponent as f32;`
`2420`	`2420`
`2421`		`- let abs_difference = (sign_f * mantissa_f * 2_f32.powf(exponent_f) - x).abs();`
	`2421`	`+ let abs_difference = (sign_f * mantissa_f * exponent_f.exp2() - x).abs();`
`2422`	`2422`
`2423`	`2423`	`assert!(abs_difference < 1e-10, "absolute difference {} must be less than 1e-10", abs_difference);`
`2424`	`2424`	`}`
`@@ -2462,7 +2462,7 @@ mod tests {`
`2462`	`2462`	`let mantissa_f = mantissa as f64;`
`2463`	`2463`	`let exponent_f = exponent as f64;`
`2464`	`2464`
`2465`		`- let abs_difference = (sign_f * mantissa_f * 2_f64.powf(exponent_f) - x).abs();`
	`2465`	`+ let abs_difference = (sign_f * mantissa_f * exponent_f.exp2() - x).abs();`
`2466`	`2466`
`2467`	`2467`	`assert!(abs_difference < 1e-10, "absolute difference {} must be less than 1e-10", abs_difference);`
`2468`	`2468`	`}`