4b4fbe3887
This change was mostly made with `zig fmt` and this also modified some whitespace. Note that in some files, `zig fmt` produced incorrect code, so the change was made manually.
26 lines
607 B
Zig
26 lines
607 B
Zig
const std = @import("../../std.zig");
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const testing = std.testing;
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const math = std.math;
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const cmath = math.complex;
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const Complex = cmath.Complex;
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/// Returns the projection of z onto the riemann sphere.
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pub fn proj(z: var) Complex(@TypeOf(z.re)) {
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const T = @TypeOf(z.re);
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if (math.isInf(z.re) or math.isInf(z.im)) {
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return Complex(T).new(math.inf(T), math.copysign(T, 0, z.re));
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}
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return Complex(T).new(z.re, z.im);
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}
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const epsilon = 0.0001;
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test "complex.cproj" {
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const a = Complex(f32).new(5, 3);
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const c = proj(a);
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testing.expect(c.re == 5 and c.im == 3);
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}
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