Merge pull request rust-lang/libm#274 from ZagButNoZig/master

library/compiler-builtins/libm/src/math/sqrt.rs

@@ -261,4 +261,20 @@ mod tests {
             assert_eq!(sqrt(f), f);
         }
     }
+
+    #[test]
+    fn conformance_tests() {
+        let values = [3.14159265359, 10000.0, f64::from_bits(0x0000000f), INFINITY];
+        let results = [
+            4610661241675116657u64,
+            4636737291354636288u64,
+            2197470602079456986u64,
+            9218868437227405312u64,
+        ];
+
+        for i in 0..values.len() {
+            let bits = f64::to_bits(sqrt(values[i]));
+            assert_eq!(results[i], bits);
+        }
+    }
 }

library/compiler-builtins/libm/src/math/sqrtf.rs

@@ -151,4 +151,20 @@ mod tests {
             assert_eq!(sqrtf(f), f);
         }
     }
+
+    #[test]
+    fn conformance_tests() {
+        let values = [
+            3.14159265359f32,
+            10000.0f32,
+            f32::from_bits(0x0000000f),
+            INFINITY,
+        ];
+        let results = [1071833029u32, 1120403456u32, 456082799u32, 2139095040u32];
+
+        for i in 0..values.len() {
+            let bits = f32::to_bits(sqrtf(values[i]));
+            assert_eq!(results[i], bits);
+        }
+    }
 }