diff --git a/src/gleam_community/maths/conversion.gleam b/src/gleam_community/maths/conversion.gleam
index d0eb040..9ac9036 100644
--- a/src/gleam_community/maths/conversion.gleam
+++ b/src/gleam_community/maths/conversion.gleam
@@ -30,6 +30,7 @@
//// * [`int_to_float`](#int_to_float)
//// * [`degrees_to_radians`](#degrees_to_radians)
//// * [`radians_to_degrees`](#radians_to_degrees)
+////
import gleam/int
diff --git a/src/gleam_community/maths/elementary.gleam b/src/gleam_community/maths/elementary.gleam
index c71ebf6..e130e07 100644
--- a/src/gleam_community/maths/elementary.gleam
+++ b/src/gleam_community/maths/elementary.gleam
@@ -1000,7 +1000,7 @@ pub fn power(x: Float, y: Float) -> Result(Float, String) {
// 2. If the base (x) is 0 and the exponent (y) is negative then the
// expression is equivalent to the exponent (y) divided by 0 and an
// error should be returned
- case x <. 0.0 && fractional || x == 0.0 && y <. 0.0 {
+ case { x <. 0.0 && fractional } || { x == 0.0 && y <. 0.0 } {
True ->
"Invalid input argument: x < 0 and y is fractional or x = 0 and y < 0."
|> Error
diff --git a/src/gleam_community/maths/metrics.gleam b/src/gleam_community/maths/metrics.gleam
index e663d65..286044c 100644
--- a/src/gleam_community/maths/metrics.gleam
+++ b/src/gleam_community/maths/metrics.gleam
@@ -20,12 +20,18 @@
////
-////
+////
//// ---
////
//// Metrics: A module offering functions for calculating distances and other
//// types of metrics.
////
+//// Disclaimer: In this module, the terms "distance" and "metric" are used in
+//// a broad and practical sense. That is, they are used to denote any difference
+//// or discrepancy between two inputs. Consequently, they may not align with their
+//// precise mathematical definitions (in particular, some "distance" functions in
+//// this module do not satisfy the triangle inequality).
+////
//// * **Distance measures**
//// * [`norm`](#norm)
//// * [`manhattan_distance`](#manhattan_distance)
@@ -40,26 +46,24 @@
//// * [`sorensen_dice_coefficient`](#sorensen_dice_coefficient)
//// * [`tversky_index`](#tversky_index)
//// * [`overlap_coefficient`](#overlap_coefficient)
-//// * [`levenshtein_distance`](#levenshtein_distance)
//// * **Basic statistical measures**
//// * [`mean`](#mean)
//// * [`median`](#median)
//// * [`variance`](#variance)
//// * [`standard_deviation`](#standard_deviation)
-////
+////
import gleam/bool
+import gleam/float
+import gleam/int
import gleam/list
+import gleam/option
import gleam/pair
+import gleam/set
import gleam_community/maths/arithmetics
import gleam_community/maths/conversion
import gleam_community/maths/elementary
import gleam_community/maths/piecewise
-import gleam/set
-import gleam/float
-import gleam/int
-import gleam/string
-import gleam/option
/// Utility function that checks all lists have the expected length and contents
/// The function is primarily used by all distance measures taking 'List(Float)'
@@ -1126,125 +1130,6 @@ pub fn cosine_similarity(
}
}
-///
-///
-/// Calculate the Levenshtein distance between two strings, i.e., measure the
-/// difference between two strings (essentially sequences). It is defined as
-/// the minimum number of single-character edits required to change one string
-/// into the other, using operations:
-/// - insertions
-/// - deletions
-/// - substitutions
-///
-/// Note: The implementation is primarily based on the Elixir implementation
-/// [levenshtein](https://hex.pm/packages/levenshtein).
-///
-///
-/// Example:
-///
-/// import gleeunit/should
-/// import gleam_community/maths/metrics
-///
-/// pub fn example () {
-/// metrics.levenshtein_distance("hello", "hello")
-/// |> should.equal(0)
-///
-/// metrics.levenshtein_distance("cat", "cut")
-/// |> should.equal(1)
-///
-/// metrics.levenshtein_distance("kitten", "sitting")
-/// |> should.equal(3)
-/// }
-///
-///
-///
-///
-///
-pub fn levenshtein_distance(xstring: String, ystring: String) -> Int {
- case xstring, ystring {
- xstring, ystring if xstring == ystring -> {
- 0
- }
- xstring, ystring if xstring == "" -> {
- string.length(ystring)
- }
- xstring, ystring if ystring == "" -> {
- string.length(xstring)
- }
- _, _ -> {
- let xstring_graphemes = string.to_graphemes(xstring)
- let ystring_graphemes = string.to_graphemes(ystring)
- let ystring_length = list.length(ystring_graphemes)
- let distance_list = list.range(0, ystring_length)
-
- do_edit_distance(xstring_graphemes, ystring_graphemes, distance_list, 1)
- }
- }
-}
-
-fn do_edit_distance(
- xstring: List(String),
- ystring: List(String),
- distance_list: List(Int),
- step: Int,
-) -> Int {
- case xstring {
- // Safe as 'distance_list' is never empty
- [] -> {
- let assert Ok(last) = list.last(distance_list)
- last
- }
- [xstring_head, ..xstring_tail] -> {
- let new_distance_list =
- distance_list_helper(ystring, distance_list, xstring_head, [step], step)
- do_edit_distance(xstring_tail, ystring, new_distance_list, step + 1)
- }
- }
-}
-
-fn distance_list_helper(
- ystring: List(String),
- distance_list: List(Int),
- grapheme: String,
- new_distance_list: List(Int),
- last_distance: Int,
-) -> List(Int) {
- case ystring {
- [] -> list.reverse(new_distance_list)
- [ystring_head, ..ystring_tail] -> {
- let assert [distance_list_head, ..distance_list_tail] = distance_list
- let difference = case ystring_head == grapheme {
- True -> {
- 0
- }
- False -> {
- 1
- }
- }
- let assert [first, ..] = distance_list_tail
- let min =
- last_distance + 1
- |> piecewise.minimum(first + 1, int.compare)
- |> piecewise.minimum(distance_list_head + difference, int.compare)
- distance_list_helper(
- ystring_tail,
- distance_list_tail,
- grapheme,
- [min, ..new_distance_list],
- min,
- )
- }
- }
-}
-
///
///
-///
pub fn canberra_distance(
xarr: List(Float),
yarr: List(Float),
diff --git a/src/gleam_community/maths/predicates.gleam b/src/gleam_community/maths/predicates.gleam
index e13f41d..e85e581 100644
--- a/src/gleam_community/maths/predicates.gleam
+++ b/src/gleam_community/maths/predicates.gleam
@@ -35,14 +35,15 @@
//// * [`is_even`](#is_even)
//// * [`is_odd`](#is_odd)
//// * [`is_prime`](#is_prime)
+////
-import gleam/pair
import gleam/int
import gleam/list
import gleam/option
+import gleam/pair
+import gleam_community/maths/arithmetics
import gleam_community/maths/elementary
import gleam_community/maths/piecewise
-import gleam_community/maths/arithmetics
///
///
diff --git a/src/gleam_community/maths/sequences.gleam b/src/gleam_community/maths/sequences.gleam
index 0ec8118..3512152 100644
--- a/src/gleam_community/maths/sequences.gleam
+++ b/src/gleam_community/maths/sequences.gleam
@@ -31,11 +31,12 @@
//// * [`linear_space`](#linear_space)
//// * [`logarithmic_space`](#logarithmic_space)
//// * [`geometric_space`](#geometric_space)
+////
+import gleam/list
+import gleam_community/maths/conversion
import gleam_community/maths/elementary
import gleam_community/maths/piecewise
-import gleam_community/maths/conversion
-import gleam/list
///
///
diff --git a/src/gleam_community/maths/special.gleam b/src/gleam_community/maths/special.gleam
index 6b86e5a..2b79bae 100644
--- a/src/gleam_community/maths/special.gleam
+++ b/src/gleam_community/maths/special.gleam
@@ -32,10 +32,10 @@
//// * [`incomplete_gamma`](#incomplete_gamma)
////
+import gleam/list
import gleam_community/maths/conversion
import gleam_community/maths/elementary
import gleam_community/maths/piecewise
-import gleam/list
///
///
diff --git a/test/gleam_community/maths/arithmetics_test.gleam b/test/gleam_community/maths/arithmetics_test.gleam
index 990fce6..3643561 100644
--- a/test/gleam_community/maths/arithmetics_test.gleam
+++ b/test/gleam_community/maths/arithmetics_test.gleam
@@ -1,6 +1,6 @@
+import gleam/option
import gleam_community/maths/arithmetics
import gleeunit/should
-import gleam/option
pub fn int_gcd_test() {
arithmetics.gcd(1, 1)
diff --git a/test/gleam_community/maths/combinatorics_test.gleam b/test/gleam_community/maths/combinatorics_test.gleam
index d1b3405..0b82534 100644
--- a/test/gleam_community/maths/combinatorics_test.gleam
+++ b/test/gleam_community/maths/combinatorics_test.gleam
@@ -1,6 +1,6 @@
-import gleam_community/maths/combinatorics
-import gleam/set
import gleam/list
+import gleam/set
+import gleam_community/maths/combinatorics
import gleeunit/should
pub fn int_factorial_test() {
diff --git a/test/gleam_community/maths/conversion_test.gleam b/test/gleam_community/maths/conversion_test.gleam
index 0a2e793..0a55a10 100644
--- a/test/gleam_community/maths/conversion_test.gleam
+++ b/test/gleam_community/maths/conversion_test.gleam
@@ -1,10 +1,10 @@
+import gleam_community/maths/conversion
import gleam_community/maths/elementary
import gleam_community/maths/predicates
-import gleam_community/maths/conversion
import gleeunit/should
pub fn float_to_degree_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
conversion.radians_to_degrees(0.0)
|> predicates.is_close(0.0, 0.0, tol)
|> should.be_true()
@@ -15,7 +15,7 @@ pub fn float_to_degree_test() {
}
pub fn float_to_radian_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
conversion.degrees_to_radians(0.0)
|> predicates.is_close(0.0, 0.0, tol)
|> should.be_true()
diff --git a/test/gleam_community/maths/elementary_test.gleam b/test/gleam_community/maths/elementary_test.gleam
index 71c62e8..a547f87 100644
--- a/test/gleam_community/maths/elementary_test.gleam
+++ b/test/gleam_community/maths/elementary_test.gleam
@@ -1,10 +1,10 @@
+import gleam/option
import gleam_community/maths/elementary
import gleam_community/maths/predicates
import gleeunit/should
-import gleam/option
pub fn float_acos_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
let assert Ok(result) = elementary.acos(1.0)
@@ -27,7 +27,7 @@ pub fn float_acos_test() {
}
pub fn float_acosh_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
let assert Ok(result) = elementary.acosh(1.0)
@@ -47,7 +47,7 @@ pub fn float_asin_test() {
elementary.asin(0.0)
|> should.equal(Ok(0.0))
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
let assert Ok(result) = elementary.asin(0.5)
result
|> predicates.is_close(0.523598, 0.0, tol)
@@ -63,7 +63,7 @@ pub fn float_asin_test() {
}
pub fn float_asinh_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
elementary.asinh(0.0)
@@ -76,7 +76,7 @@ pub fn float_asinh_test() {
}
pub fn float_atan_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
elementary.atan(0.0)
@@ -89,7 +89,7 @@ pub fn float_atan_test() {
}
pub fn math_atan2_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
elementary.atan2(0.0, 0.0)
@@ -137,7 +137,7 @@ pub fn math_atan2_test() {
}
pub fn float_atanh_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
let assert Ok(result) = elementary.atanh(0.0)
@@ -166,7 +166,7 @@ pub fn float_atanh_test() {
}
pub fn float_cos_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
elementary.cos(0.0)
@@ -183,7 +183,7 @@ pub fn float_cos_test() {
}
pub fn float_cosh_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
elementary.cosh(0.0)
@@ -200,7 +200,7 @@ pub fn float_cosh_test() {
}
pub fn float_sin_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
elementary.sin(0.0)
@@ -217,7 +217,7 @@ pub fn float_sin_test() {
}
pub fn float_sinh_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
elementary.sinh(0.0)
@@ -234,7 +234,7 @@ pub fn float_sinh_test() {
}
pub fn math_tan_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
elementary.tan(0.0)
@@ -247,7 +247,7 @@ pub fn math_tan_test() {
}
pub fn math_tanh_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
elementary.tanh(0.0)
@@ -268,7 +268,7 @@ pub fn math_tanh_test() {
}
pub fn float_exponential_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
elementary.exponential(0.0)
@@ -285,7 +285,7 @@ pub fn float_exponential_test() {
}
pub fn float_natural_logarithm_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
elementary.natural_logarithm(1.0)
@@ -336,7 +336,7 @@ pub fn float_logarithm_test() {
}
pub fn float_logarithm_2_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
elementary.logarithm_2(1.0)
@@ -357,7 +357,7 @@ pub fn float_logarithm_2_test() {
}
pub fn float_logarithm_10_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
let assert Ok(result) = elementary.logarithm_10(1.0)
@@ -400,6 +400,15 @@ pub fn float_power_test() {
elementary.power(2.0, -1.0)
|> should.equal(Ok(0.5))
+ // When y = 0, the result should universally be 1, regardless of the value of x
+ elementary.power(10.0, 0.0)
+ |> should.equal(Ok(1.0))
+ elementary.power(-10.0, 0.0)
+ |> should.equal(Ok(1.0))
+
+ elementary.power(2.0, -1.0)
+ |> should.equal(Ok(0.5))
+
// elementary.power(-1.0, 0.5) is equivalent to float.square_root(-1.0)
// and should return an error as an imaginary number would otherwise
// have to be returned
diff --git a/test/gleam_community/maths/metrics_test.gleam b/test/gleam_community/maths/metrics_test.gleam
index 43263cb..dcf43eb 100644
--- a/test/gleam_community/maths/metrics_test.gleam
+++ b/test/gleam_community/maths/metrics_test.gleam
@@ -1,12 +1,12 @@
+import gleam/option
+import gleam/set
import gleam_community/maths/elementary
import gleam_community/maths/metrics
import gleam_community/maths/predicates
import gleeunit/should
-import gleam/set
-import gleam/option
pub fn float_list_norm_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// An empty lists returns 0.0
[]
@@ -66,7 +66,7 @@ pub fn float_list_norm_test() {
}
pub fn float_list_manhattan_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Empty lists returns an error
metrics.manhattan_distance([], [], option.None)
@@ -118,7 +118,7 @@ pub fn float_list_manhattan_test() {
}
pub fn float_list_minkowski_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Empty lists returns an error
metrics.minkowski_distance([], [], 1.0, option.None)
@@ -226,7 +226,7 @@ pub fn float_list_minkowski_test() {
}
pub fn float_list_euclidean_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Empty lists returns an error
metrics.euclidean_distance([], [], option.None)
@@ -410,7 +410,7 @@ pub fn overlap_coefficient_test() {
}
pub fn cosine_similarity_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Empty lists returns an error
metrics.cosine_similarity([], [], option.None)
@@ -520,46 +520,6 @@ pub fn chebyshev_distance_test() {
|> should.equal(Ok(0.0))
}
-pub fn levenshtein_distance_test() {
- // Try different types of valid input...
-
- // Requires 5 insertions to transform the empty string into "hello"
- metrics.levenshtein_distance("", "hello")
- |> should.equal(5)
- // Requires 5 deletions to remove all characters from "hello" to match the empty string
- metrics.levenshtein_distance("hello", "")
- |> should.equal(5)
-
- // Requires 2 deletions to remove two 'b's and 1 substitution to change 'b' to 'a'
- metrics.levenshtein_distance("bbb", "a")
- |> should.equal(3)
- // Requires 2 insertions to add two 'b's and 1 substitution to change 'a' to 'b'
- metrics.levenshtein_distance("a", "bbb")
- |> should.equal(3)
-
- // No changes needed, since the strings are identical
- metrics.levenshtein_distance("hello", "hello")
- |> should.equal(0)
-
- // Requires 1 substitution to change 'a' to 'u'
- metrics.levenshtein_distance("cat", "cut")
- |> should.equal(1)
-
- // Requires 2 substitutions (k -> s, e -> i) and 1 insertion (g at the end)
- metrics.levenshtein_distance("kitten", "sitting")
- |> should.equal(3)
-
- // Some more complex cases, involving multiple insertions, deletions, and substitutions
- metrics.levenshtein_distance("gggtatccat", "cctaggtccct")
- |> should.equal(6)
-
- metrics.levenshtein_distance(
- "This is a longer string",
- "This is also a much longer string",
- )
- |> should.equal(10)
-}
-
pub fn canberra_distance_test() {
// Empty lists returns an error
metrics.canberra_distance([], [], option.None)
diff --git a/test/gleam_community/maths/piecewise_test.gleam b/test/gleam_community/maths/piecewise_test.gleam
index de1df0e..11cbc79 100644
--- a/test/gleam_community/maths/piecewise_test.gleam
+++ b/test/gleam_community/maths/piecewise_test.gleam
@@ -1,8 +1,8 @@
-import gleam_community/maths/piecewise
-import gleeunit/should
-import gleam/option
import gleam/float
import gleam/int
+import gleam/option
+import gleam_community/maths/piecewise
+import gleeunit/should
pub fn float_ceiling_test() {
// Round 3. digit AFTER decimal point
diff --git a/test/gleam_community/maths/predicates_test.gleam b/test/gleam_community/maths/predicates_test.gleam
index b2e6d57..2244a9a 100644
--- a/test/gleam_community/maths/predicates_test.gleam
+++ b/test/gleam_community/maths/predicates_test.gleam
@@ -1,5 +1,5 @@
-import gleam_community/maths/predicates
import gleam/list
+import gleam_community/maths/predicates
import gleeunit/should
pub fn float_is_close_test() {
diff --git a/test/gleam_community/maths/sequences_test.gleam b/test/gleam_community/maths/sequences_test.gleam
index ec7afcb..72ee74a 100644
--- a/test/gleam_community/maths/sequences_test.gleam
+++ b/test/gleam_community/maths/sequences_test.gleam
@@ -1,11 +1,11 @@
+import gleam/list
import gleam_community/maths/elementary
-import gleam_community/maths/sequences
import gleam_community/maths/predicates
-import gleam/list
+import gleam_community/maths/sequences
import gleeunit/should
pub fn float_list_linear_space_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
@@ -83,7 +83,7 @@ pub fn float_list_linear_space_test() {
}
pub fn float_list_logarithmic_space_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
// ---> With endpoint included
@@ -147,7 +147,7 @@ pub fn float_list_logarithmic_space_test() {
}
pub fn float_list_geometric_space_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Check that the function agrees, at some arbitrary input
// points, with known function values
// ---> With endpoint included
diff --git a/test/gleam_community/maths/special_test.gleam b/test/gleam_community/maths/special_test.gleam
index b1d9f51..158c8f0 100644
--- a/test/gleam_community/maths/special_test.gleam
+++ b/test/gleam_community/maths/special_test.gleam
@@ -1,11 +1,11 @@
+import gleam/result
import gleam_community/maths/elementary
-import gleam_community/maths/special
import gleam_community/maths/predicates
+import gleam_community/maths/special
import gleeunit/should
-import gleam/result
pub fn float_beta_function_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Valid input returns a result
special.beta(-0.5, 0.5)
@@ -26,7 +26,7 @@ pub fn float_beta_function_test() {
}
pub fn float_error_function_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Valid input returns a result
special.erf(-0.5)
@@ -51,7 +51,7 @@ pub fn float_error_function_test() {
}
pub fn float_gamma_function_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Valid input returns a result
special.gamma(-0.5)
@@ -80,7 +80,7 @@ pub fn float_gamma_function_test() {
}
pub fn float_incomplete_gamma_function_test() {
- let assert Ok(tol) = elementary.power(-10.0, -6.0)
+ let assert Ok(tol) = elementary.power(10.0, -6.0)
// Invalid input gives an error
// 1st arg is invalid