Commit ff23efe9fa
Changed files (1)
lib
std
math
complex
lib/std/math/complex/pow.zig
@@ -5,10 +5,8 @@ const cmath = math.complex;
const Complex = cmath.Complex;
/// Returns z raised to the complex power of c.
-pub fn pow(comptime T: type, z: T, c: T) T {
- const p = cmath.log(z);
- const q = c.mul(p);
- return cmath.exp(q);
+pub fn pow(z: anytype, s: anytype) Complex(@TypeOf(z.re, z.im, s.re, s.im)) {
+ return cmath.exp(cmath.log(z).mul(s));
}
const epsilon = 0.0001;
@@ -16,7 +14,7 @@ const epsilon = 0.0001;
test "complex.cpow" {
const a = Complex(f32).init(5, 3);
const b = Complex(f32).init(2.3, -1.3);
- const c = pow(Complex(f32), a, b);
+ const c = pow(a, b);
try testing.expect(math.approxEqAbs(f32, c.re, 58.049110, epsilon));
try testing.expect(math.approxEqAbs(f32, c.im, -101.003433, epsilon));