diff options
Diffstat (limited to 'std/math/complex/pow.zig')
| -rw-r--r-- | std/math/complex/pow.zig | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/std/math/complex/pow.zig b/std/math/complex/pow.zig new file mode 100644 index 0000000000..bef9fde542 --- /dev/null +++ b/std/math/complex/pow.zig @@ -0,0 +1,22 @@ +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)); +} |
