diff options
Diffstat (limited to 'lib/std/fmt')
| -rw-r--r-- | lib/std/fmt/parse_float.zig | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/std/fmt/parse_float.zig b/lib/std/fmt/parse_float.zig index e4d3c10d92..de17c60db6 100644 --- a/lib/std/fmt/parse_float.zig +++ b/lib/std/fmt/parse_float.zig @@ -37,7 +37,9 @@ const std = @import("../std.zig"); const ascii = std.ascii; -const max_digits = 25; +// The mantissa field in FloatRepr is 64bit wide and holds only 19 digits +// without overflowing +const max_digits = 19; const f64_plus_zero: u64 = 0x0000000000000000; const f64_minus_zero: u64 = 0x8000000000000000; @@ -409,6 +411,7 @@ test "fmt.parseFloat" { expect(approxEq(T, try parseFloat(T, "123142.1"), 123142.1, epsilon)); expect(approxEq(T, try parseFloat(T, "-123142.1124"), @as(T, -123142.1124), epsilon)); expect(approxEq(T, try parseFloat(T, "0.7062146892655368"), @as(T, 0.7062146892655368), epsilon)); + expect(approxEq(T, try parseFloat(T, "2.71828182845904523536"), @as(T, 2.718281828459045), epsilon)); } } } |