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| -rw-r--r-- | src/gleam/float.gleam | 14 | ||||
| -rw-r--r-- | test/gleam/float_test.gleam | 17 |
2 files changed, 31 insertions, 0 deletions
diff --git a/src/gleam/float.gleam b/src/gleam/float.gleam index c85903f..3767113 100644 --- a/src/gleam/float.gleam +++ b/src/gleam/float.gleam @@ -128,3 +128,17 @@ pub external fn truncate(Float) -> Int = /// pub external fn absolute_value(Float) -> Float = "erlang" "abs" + +/// Returns the results of the base being raised to the power of the +/// exponent, as a float. +/// +/// ## Examples +/// +/// > power(2.0, 2.0) +/// 4.0 +/// +/// > power(8.0, 1.5) +/// 64.0 +/// +pub external fn power(base: Float, exponent: Float) -> Float = + "math" "pow" diff --git a/test/gleam/float_test.gleam b/test/gleam/float_test.gleam index 5508a76..234df59 100644 --- a/test/gleam/float_test.gleam +++ b/test/gleam/float_test.gleam @@ -200,3 +200,20 @@ pub fn absolute_value_test() { float.absolute_value(25.2) |> should.equal(25.2) } + +pub fn power_test() { + float.power(2.0, 2.0) + |> should.equal(4.0) + + float.power(-5.0, 3.0) + |> should.equal(-125.0) + + float.power(10.5, 0.0) + |> should.equal(1.0) + + float.power(16.0, 0.5) + |> should.equal(4.0) + + float.power(2.0, -1.0) + |> should.equal(0.5) +} |