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-rw-r--r--std/math/complex/pow.zig22
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diff --git a/std/math/complex/pow.zig b/std/math/complex/pow.zig
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+const std = @import("../../index.zig");
+const debug = std.debug;
+const math = std.math;
+const cmath = math.complex;
+const Complex = cmath.Complex;
+
+pub fn pow(comptime T: type, z: &const T, c: &const T) T {
+ const p = cmath.log(z);
+ const q = c.mul(p);
+ return cmath.exp(q);
+}
+
+const epsilon = 0.0001;
+
+test "complex.cpow" {
+ const a = Complex(f32).new(5, 3);
+ const b = Complex(f32).new(2.3, -1.3);
+ const c = pow(Complex(f32), a, b);
+
+ debug.assert(math.approxEq(f32, c.re, 58.049110, epsilon));
+ debug.assert(math.approxEq(f32, c.im, -101.003433, epsilon));
+}