diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gleam/float.gleam | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/gleam/float.gleam b/src/gleam/float.gleam index 34dba05..6aeeac7 100644 --- a/src/gleam/float.gleam +++ b/src/gleam/float.gleam @@ -261,8 +261,16 @@ pub fn truncate(x: Float) -> Int /// ``` /// pub fn to_precision(x: Float, precision: Int) -> Float { - let factor = do_power(10.0, do_to_float(-precision)) - do_to_float(round(x /. factor)) *. factor + case precision <= 0 { + True -> { + let factor = do_power(10.0, do_to_float(-precision)) + do_to_float(round(x /. factor)) *. factor + } + False -> { + let factor = do_power(10.0, do_to_float(precision)) + do_to_float(round(x *. factor)) /. factor + } + } } @external(erlang, "erlang", "float") |