zig/std/math/complex/pow.zig
Andrew Kelley fcbb7426fa use * for pointer type instead of &
See #770

To help automatically translate code, see the
zig-fmt-pointer-reform-2 branch.

This will convert all & into *. Due to the syntax
ambiguity (which is why we are making this change),
even address-of & will turn into *, so you'll have
to manually fix thes instances. You will be guaranteed
to get compile errors for them - expected 'type', found 'foo'
2018-05-31 17:28:07 -04:00

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Zig

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));
}