1 files changed, 3 insertions, 4 deletions
diff --git a/lib/std/math/complex/log.zig b/lib/std/math/complex/log.zig
index 65859c2dce..39174431f1 100644
--- a/lib/std/math/complex/log.zig
+++ b/lib/std/math/complex/log.zig
@@ -13,12 +13,11 @@ pub fn log(z: anytype) Complex(@TypeOf(z.re, z.im)) {
     return Complex(T).init(@log(r), phi);
 }
 
-const epsilon = 0.0001;
-
 test log {
+    const epsilon = math.floatEps(f32);
     const a = Complex(f32).init(5, 3);
     const c = log(a);
 
-    try testing.expect(math.approxEqAbs(f32, c.re, 1.763180, epsilon));
-    try testing.expect(math.approxEqAbs(f32, c.im, 0.540419, epsilon));
+    try testing.expectApproxEqAbs(1.7631803, c.re, epsilon);
+    try testing.expectApproxEqAbs(0.5404195, c.im, epsilon);
 }