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Fix float formatting for 0.0 when precision is 0 (#9642)

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Boo 2021-08-30 13:39:05 -04:00 committed by GitHub
parent 861b784454
commit ef39725055
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1 changed files with 1 additions and 2 deletions
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lib/std/fmt.zig
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@ -1200,8 +1200,6 @@ pub fn formatFloatDecimal(
while (i < precision) : (i += 1) {
try writer.writeAll("0");
}
} else {
try writer.writeAll(".0");
}
}
@ -2198,6 +2196,7 @@ test "float.hexadecimal.precision" {
test "float.decimal" {
try expectFmt("f64: 152314000000000000000000000000", "f64: {d}", .{@as(f64, 1.52314e+29)});
try expectFmt("f32: 0", "f32: {d}", .{@as(f32, 0.0)});
try expectFmt("f32: 0", "f32: {d:.0}", .{@as(f32, 0.0)});
try expectFmt("f32: 1.1", "f32: {d:.1}", .{@as(f32, 1.1234)});
try expectFmt("f32: 1234.57", "f32: {d:.2}", .{@as(f32, 1234.567)});
// -11.1234 is converted to f64 -11.12339... internally (errol3() function takes f64).