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Add proper Zig stdlib attribution

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Daniel Wennberg
2025-09-30 13:57:57 -07:00
parent 26b70e3125
commit 3feff75c99
1 changed files with 5 additions and 3 deletions
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8
src/datastruct/comparison.zig
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@@ -1,10 +1,11 @@
// The contents of this file is largely based on testing.zig from the Zig 0.15.1
// stdlib, distributed under the MIT license, copyright (c) Zig contributors
const std = @import("std"); const std = @import("std");
/// Generic, recursive equality testing utility using approximate comparison for /// Generic, recursive equality testing utility using approximate comparison for
/// floats and equality for everything else /// floats and equality for everything else
/// ///
/// Based on the source code of `std.testing.expectEqual`, /// Based on `std.testing.expectEqual` and `std.testing.expectEqualSlices`.
/// `std.testing.expectEqualSlices`, and `std.meta.eql`, as of Zig 0.15.1.
/// ///
/// The relative tolerance is currently hardcoded to `sqrt(eps(float_type))`. /// The relative tolerance is currently hardcoded to `sqrt(eps(float_type))`.
pub inline fn expectApproxEqual(expected: anytype, actual: anytype) !void { pub inline fn expectApproxEqual(expected: anytype, actual: anytype) !void {
@@ -95,7 +96,7 @@ fn expectApproxEqualInner(comptime T: type, expected: T, actual: T) !void {
} }
} }
/// Copy of std.testing.print (not public) as of Zig 0.15.1 /// Copy of std.testing.print (not public)
fn print(comptime fmt: []const u8, args: anytype) void { fn print(comptime fmt: []const u8, args: anytype) void {
if (@inComptime()) { if (@inComptime()) {
@compileError(std.fmt.comptimePrint(fmt, args)); @compileError(std.fmt.comptimePrint(fmt, args));
@@ -104,6 +105,7 @@ fn print(comptime fmt: []const u8, args: anytype) void {
} }
} }
// Tests based on the `expectEqual` tests in the Zig stdlib
test "expectApproxEqual.union(enum)" { test "expectApproxEqual.union(enum)" {
const T = union(enum) { const T = union(enum) {
a: i32, a: i32,