mirror/zig
1
0
Fork 0
mirror of https://github.com/ziglang/zig.git synced 2025-12-06 14:23:09 +00:00
Code Issues Packages Projects Releases Wiki Activity

zon: normalize negative zeroes

Browse Source
This commit is contained in:
Ali Cheraghi 2025-03-25 00:01:01 +03:30 committed by Alex Rønne Petersen
parent f5e7850686
commit edaa9584cc
No known key found for this signature in database
1 changed files with 16 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
lib/std/zon/stringify.zig
View File

@ -627,10 +627,16 @@ pub fn Serializer(Writer: type) type {
return self.writer.writeAll("inf"); return self.writer.writeAll("inf");
} else if (std.math.isNegativeInf(val)) { } else if (std.math.isNegativeInf(val)) {
return self.writer.writeAll("-inf"); return self.writer.writeAll("-inf");
} else if (std.math.isNegativeZero(val)) {
return self.writer.writeAll("-0.0");
} else {
try std.fmt.format(self.writer, "{d}", .{val});
},
.comptime_float => if (val == 0) {
return self.writer.writeAll("0");
} else { } else {
try std.fmt.format(self.writer, "{d}", .{val}); try std.fmt.format(self.writer, "{d}", .{val});
}, },
.comptime_float => try std.fmt.format(self.writer, "{d}", .{val}),
else => comptime unreachable, else => comptime unreachable,
} }
} }
@ -2103,10 +2109,11 @@ test "std.zon stringify primitives" {
\\ .b = 0.3333333333333333333333333333333333, \\ .b = 0.3333333333333333333333333333333333,
\\ .c = 3.1415926535897932384626433832795028, \\ .c = 3.1415926535897932384626433832795028,
\\ .d = 0, \\ .d = 0,
\\ .e = -0, \\ .e = 0,
\\ .f = inf, \\ .f = -0.0,
\\ .g = -inf, \\ .g = inf,
\\ .h = nan, \\ .h = -inf,
\\ .i = nan,
\\} \\}
, ,
.{ .{
@ -2115,9 +2122,10 @@ test "std.zon stringify primitives" {
.c = std.math.pi, .c = std.math.pi,
.d = 0.0, .d = 0.0,
.e = -0.0, .e = -0.0,
.f = std.math.inf(f32), .f = @as(f128, -0.0),
.g = -std.math.inf(f32), .g = std.math.inf(f32),
.h = std.math.nan(f32), .h = -std.math.inf(f32),
.i = std.math.nan(f32),
}, },
.{}, .{},
); );