diff --git a/src/math/vec.zig b/src/math/vec.zig
index 707276b..76cc3c3 100644
--- a/src/math/vec.zig
+++ b/src/math/vec.zig
@@ -88,11 +88,11 @@ pub fn Vec(comptime nelem: comptime_int, comptime T: anytype) type {
 
         // 3-element operations
         pub usingnamespace if (nelem >= 3) struct {
-            pub inline fn sum3(self: Self) f32 {
+            pub inline fn sum3(self: Self) T {
                 return self.x + self.y + self.z;
             }
 
-            pub inline fn dot3(a: Self, b: Self) f32 {
+            pub inline fn dot3(a: Self, b: Self) T {
                 return a.mul(b).sum3();
             }
 
@@ -136,8 +136,8 @@ pub fn Vec(comptime nelem: comptime_int, comptime T: anytype) type {
                 return zxy(sub(mul(zxy(a), b), mul(a, zxy(b))));
             }
 
-            pub inline fn length3(self: Self) f32 {
-                return @sqrt(@maximum(std.math.f32_epsilon, self.dot3(self)));
+            pub inline fn length3(self: Self) T {
+                return @sqrt(@maximum(std.math.epsilon(T), self.dot3(self)));
             }
 
             pub inline fn normalize3(self: Self) Self {