From cb08aefc47365550205bf67d0191e495d1a089a5 Mon Sep 17 00:00:00 2001
From: Daniel Michalski <danielp.michalski@gmail.com>
Date: Sat, 16 Feb 2019 22:01:59 +0100
Subject: [PATCH 01/13] add toBeArrayWithFloats matcher

---
 src/matchers/toBeArrayWithFloats/index.js     | 18 ++++++++++
 .../toBeArrayWithFloats/index.test.js         | 31 +++++++++++++++++
 src/matchers/toBeArrayWithFloats/predicate.js | 32 ++++++++++++++++++
 .../toBeArrayWithFloats/predicate.test.js     | 33 +++++++++++++++++++
 types/index.d.ts                              |  7 ++++
 5 files changed, 121 insertions(+)
 create mode 100644 src/matchers/toBeArrayWithFloats/index.js
 create mode 100644 src/matchers/toBeArrayWithFloats/index.test.js
 create mode 100644 src/matchers/toBeArrayWithFloats/predicate.js
 create mode 100644 src/matchers/toBeArrayWithFloats/predicate.test.js

diff --git a/src/matchers/toBeArrayWithFloats/index.js b/src/matchers/toBeArrayWithFloats/index.js
new file mode 100644
index 00000000..4a02549d
--- /dev/null
+++ b/src/matchers/toBeArrayWithFloats/index.js
@@ -0,0 +1,18 @@
+import predicate from './predicate';
+
+export default {
+  toBeArrayWithFloats: (received, expected, precision = 4) => {
+    const pass = predicate(received, expected, precision);
+    if (pass) {
+      return {
+        message: () => `expected [${received}] not to be equal to [${expected}] with ${precision}-digit precision`,
+        pass: true
+      };
+    } else {
+      return {
+        message: () => `expected [${received}] to be equal to [${expected}] with ${precision}-digit precision`,
+        pass: false
+      };
+    }
+  }
+};
diff --git a/src/matchers/toBeArrayWithFloats/index.test.js b/src/matchers/toBeArrayWithFloats/index.test.js
new file mode 100644
index 00000000..189beb16
--- /dev/null
+++ b/src/matchers/toBeArrayWithFloats/index.test.js
@@ -0,0 +1,31 @@
+import matcher from './';
+
+expect.extend(matcher);
+
+describe('.toBeArrayWithFloats', () => {
+  test('passes for empty arrays', () => {
+    expect([]).toBeArrayWithFloats([]);
+  });
+
+  test('passes for arrays with same floats with default precision', () => {
+    expect([1.2, 2.45]).toBeArrayWithFloats([1.2, 2.45001]);
+  });
+
+  test('passes for arrays with floats rounded to same value with default precision', () => {
+    expect([0.00011]).toBeArrayWithFloats([0.0001]);
+  });
+
+  test('passes for arrays with same floats with specified precision', () => {
+    expect([1.014, 1.23456]).toBeArrayWithFloats([1.0104, 1.23112], 2);
+  });
+});
+
+describe('.not.toBeArrayWithFloats', () => {
+  test('passes for arrays with different floats', () => {
+    expect([1.0]).not.toBeArrayWithFloats([1.0001]);
+  });
+
+  test('passes for arrays with different floats due to rounding', () => {
+    expect([1.0]).not.toBeArrayWithFloats([1.00005]);
+  });
+});
diff --git a/src/matchers/toBeArrayWithFloats/predicate.js b/src/matchers/toBeArrayWithFloats/predicate.js
new file mode 100644
index 00000000..4db53a02
--- /dev/null
+++ b/src/matchers/toBeArrayWithFloats/predicate.js
@@ -0,0 +1,32 @@
+const areArrays = function(...objects) {
+  if (typeof objects === 'undefined') {
+    return false;
+  }
+  let allArrays = true;
+  objects.forEach(param => (allArrays = allArrays && Array.isArray(param)));
+  return allArrays;
+};
+
+const cutDecimals = function(num, precision = 4) {
+  return Number.parseFloat(Number.parseFloat(num).toFixed(precision));
+};
+
+const arrayWithFloatsEquals = function(current, other, precision = 4) {
+  if (current.length !== other.length) {
+    return false;
+  }
+
+  for (let i = 0; i < current.length; i++) {
+    let first = cutDecimals(current[i], precision);
+    let second = cutDecimals(other[i], precision);
+    if (first / second !== 1) {
+      return false;
+    }
+  }
+
+  return true;
+};
+
+export default (actual, expected, precision = 4) => {
+  return areArrays(actual, expected) && arrayWithFloatsEquals(actual, expected, precision);
+};
diff --git a/src/matchers/toBeArrayWithFloats/predicate.test.js b/src/matchers/toBeArrayWithFloats/predicate.test.js
new file mode 100644
index 00000000..2786d5b7
--- /dev/null
+++ b/src/matchers/toBeArrayWithFloats/predicate.test.js
@@ -0,0 +1,33 @@
+import predicate from './predicate';
+
+describe('toBeArrayWithFloats predicate - positive test cases', () => {
+  test('returns true for empty arrays', () => {
+    expect(predicate([], [])).toBe(true);
+  });
+
+  test('returns true for arrays with same floats with default precision', () => {
+    expect(predicate([1.0001, 2.123], [1.00011, 2.123])).toBe(true);
+  });
+
+  test('returns true for arrays with same floats with specified precision', () => {
+    expect(predicate([1.231, 2.344], [1.23, 2.34], 2)).toBe(true);
+  });
+
+  test('returns true when floats do not differ after rounding', () => {
+    expect(predicate([1.0001], [1.00014])).toBe(true);
+  });
+});
+
+describe('toBeArrayWithFloats predicate - negative test cases', () => {
+  test('returns false for arrays with different floats with default precision', () => {
+    expect(predicate([1.1111], [1.1112])).toBe(false);
+  });
+
+  test('returns false for arrays with different floats with specified precision', () => {
+    expect(predicate([1.1334], [1.1234], 2)).toBe(false);
+  });
+
+  test('returns false when floats differ by single digit due to rounding', () => {
+    expect(predicate([1.0001], [1.00015])).toBe(false);
+  });
+});
diff --git a/types/index.d.ts b/types/index.d.ts
index cd4cc1f4..e81141ca 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -52,6 +52,13 @@ declare namespace jest {
      */
     toBeArrayOfSize(x: number): R;
 
+    /**
+     * Use `.toBeArrayWithFloats` when checking if a value is an `Array` with floating-point numbers. Equality is checked using default or specified precision.
+     * @param {Array.<Number>} expected
+     * @param {Number} precision, i.e. decimal places taken into account during number comparison (1.0001 is not 1.00016, but 1.0001 is 1.00015 for precision = 4)
+     */
+    toBeArrayWithFloats(expected: number[], precision: number = 4): R;
+
     /**
      * Use `.toBeAfter` when checking if a date occurs after `date`.
      * @param {Date} date

From 64e4a7a8e95ba865f5bd4f81a20a3eb95d8b34ff Mon Sep 17 00:00:00 2001
From: Daniel Michalski <danielp.michalski@gmail.com>
Date: Sat, 16 Feb 2019 22:09:37 +0100
Subject: [PATCH 02/13] update contributors

---
 .all-contributorsrc | 12 ++++++++++++
 README.md           |  8 --------
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/.all-contributorsrc b/.all-contributorsrc
index a23adf00..f0254c3c 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -450,6 +450,18 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "danielpmichalski",
+      "name": "Daniel Michalski",
+      "avatar_url": "",
+      "profile": "",
+      "contributions": [
+        "code",
+        "doc",
+        "example",
+        "test"
+      ]
     }
   ],
   "repoType": "github"
diff --git a/README.md b/README.md
index 44b8a5e9..52b7fd6f 100644
--- a/README.md
+++ b/README.md
@@ -920,14 +920,6 @@ test('passes when value includes all substrings', () => {
 ## Contributors
 
 <!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
-| [<img src="https://avatars0.githubusercontent.com/u/5610087?v=4" width="100px;"/><br /><sub>Matt Phillips</sub>](http://mattphillips.io)<br />[📝](#blog-mattphillips "Blogposts") [💻](https://github.com/mattphillips/jest-extended/commits?author=mattphillips "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=mattphillips "Documentation") [💡](#example-mattphillips "Examples") [🚇](#infra-mattphillips "Infrastructure (Hosting, Build-Tools, etc)") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=mattphillips "Tests") | [<img src="https://avatars1.githubusercontent.com/u/611927?v=4" width="100px;"/><br /><sub>Stephen Bluck</sub>](https://github.com/stevebluck)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=stevebluck "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=stevebluck "Tests") | [<img src="https://avatars3.githubusercontent.com/u/5880416?v=4" width="100px;"/><br /><sub>Christoffer Hasselberg</sub>](https://github.com/stofolus)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=stofolus "Code") | [<img src="https://avatars1.githubusercontent.com/u/20847518?v=4" width="100px;"/><br /><sub>Brandon Newton</sub>](https://btnwtn.com)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=btnwtn "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=btnwtn "Documentation") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=btnwtn "Tests") | [<img src="https://avatars2.githubusercontent.com/u/4533277?v=4" width="100px;"/><br /><sub>Devan Patel</sub>](http://www.devanpatel.me)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=devanp92 "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=devanp92 "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/8472688?v=4" width="100px;"/><br /><sub>Gary Leutheuser</sub>](https://GaryLeutheuser.github.io)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=GaryLeutheuser "Code") | [<img src="https://avatars3.githubusercontent.com/u/24882614?v=4" width="100px;"/><br /><sub>Johan Lindgren</sub>](https://github.com/lindgr3n)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=lindgr3n "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=lindgr3n "Documentation") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=lindgr3n "Tests") |
-| :---: | :---: | :---: | :---: | :---: | :---: | :---: |
-| [<img src="https://avatars1.githubusercontent.com/u/159848?v=4" width="100px;"/><br /><sub>Andrew Hayward</sub>](http://andrewhayward.net)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=andrewhayward "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=andrewhayward "Tests") | [<img src="https://avatars3.githubusercontent.com/u/6209178?v=4" width="100px;"/><br /><sub>Oliver Schneider</sub>](https://ols.io)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=olsio "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=olsio "Tests") | [<img src="https://avatars1.githubusercontent.com/u/22359375?s=460&v=4" width="100px;"/><br /><sub>Tyle Whalen</sub>](https://github.com/tjwhalen16)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=tjwhalen16 "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=tjwhalen16 "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/17944339?v=4" width="100px;"/><br /><sub>Martius</sub>](https://github.com/martiuslim)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=martiuslim "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=martiuslim "Tests") | [<img src="https://avatars2.githubusercontent.com/u/10856932?v=4" width="100px;"/><br /><sub>Eli Collis</sub>](https://github.com/ecollis6)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=ecollis6 "Code") | [<img src="https://avatars0.githubusercontent.com/u/10706203?v=4" width="100px;"/><br /><sub>Marcin Lichwała</sub>](https://github.com/marcinlichwala)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=marcinlichwala "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=marcinlichwala "Tests") | [<img src="https://avatars3.githubusercontent.com/u/1984733?v=4" width="100px;"/><br /><sub>Massimo Prencipe</sub>](https://github.com/mprencipe)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=mprencipe "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=mprencipe "Tests") |
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-| [<img src="https://avatars1.githubusercontent.com/u/10330923?v=4" width="100px;"/><br /><sub>Amish Shah</sub>](https://hydrabolt.me/)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=hydrabolt "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=hydrabolt "Tests") | [<img src="https://avatars3.githubusercontent.com/u/2045206?v=4" width="100px;"/><br /><sub>Dave Cooper</sub>](http://davecooper.org)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=grug "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=grug "Tests") | [<img src="https://avatars3.githubusercontent.com/u/3630495?v=4" width="100px;"/><br /><sub>Swann Polydor</sub>](https://github.com/soueuls)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=soueuls "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=soueuls "Tests") | [<img src="https://avatars1.githubusercontent.com/u/2027003?v=4" width="100px;"/><br /><sub>vikneshwar</sub>](https://github.com/vikneshwar)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=vikneshwar "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=vikneshwar "Tests") | [<img src="https://avatars1.githubusercontent.com/u/1243921?v=4" width="100px;"/><br /><sub>Budi Irawan</sub>](http://budiirawan.com)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=deerawan "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=deerawan "Tests") | [<img src="https://avatars2.githubusercontent.com/u/980783?v=4" width="100px;"/><br /><sub>Tejas Bubane</sub>](http://foss-geek.blogspot.com/)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=tejasbubane "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=tejasbubane "Tests") [📖](https://github.com/mattphillips/jest-extended/commits?author=tejasbubane "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/13134653?v=4" width="100px;"/><br /><sub>Subinoy Ghosh</sub>](https://github.com/subinoy7)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=subinoy7 "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=subinoy7 "Tests") |
-| [<img src="https://avatars1.githubusercontent.com/u/1404810?v=4" width="100px;"/><br /><sub>Simen Bekkhus</sub>](https://github.com/SimenB)<br />[📖](https://github.com/mattphillips/jest-extended/commits?author=SimenB "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/49038?v=4" width="100px;"/><br /><sub>Orta</sub>](http://orta.io)<br />[📖](https://github.com/mattphillips/jest-extended/commits?author=orta "Documentation") | [<img src="https://avatars3.githubusercontent.com/u/17221813?v=4" width="100px;"/><br /><sub>Tom</sub>](https://jsdevtom.com)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=jsdevtom "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=jsdevtom "Documentation") [💡](#example-jsdevtom "Examples") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=jsdevtom "Tests") | [<img src="https://avatars0.githubusercontent.com/u/15064535?v=4" width="100px;"/><br /><sub>Lucian Buzzo</sub>](https://github.com/LucianBuzzo)<br /> | [<img src="https://avatars3.githubusercontent.com/u/2997844?v=4" width="100px;"/><br /><sub>Thiago Delgado Pinto</sub>](https://github.com/thiagodp)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=thiagodp "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=thiagodp "Documentation") [💡](#example-thiagodp "Examples") [🤔](#ideas-thiagodp "Ideas, Planning, & Feedback") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=thiagodp "Tests") | [<img src="https://avatars0.githubusercontent.com/u/3042904?v=4" width="100px;"/><br /><sub>Ragnar Laud</sub>](https://github.com/xprn)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=xprn "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=xprn "Documentation") | [<img src="https://avatars0.githubusercontent.com/u/3047126?v=4" width="100px;"/><br /><sub>Luiz Américo</sub>](https://github.com/blikblum)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=blikblum "Code") |
-| [<img src="https://avatars0.githubusercontent.com/u/615334?v=4" width="100px;"/><br /><sub>Frederick Fogerty</sub>](https://github.com/frederickfogerty)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=frederickfogerty "Code") [🤔](#ideas-frederickfogerty "Ideas, Planning, & Feedback") | [<img src="https://avatars1.githubusercontent.com/u/10714808?v=4" width="100px;"/><br /><sub>Benjamin Kay</sub>](https://github.com/benjaminkay93)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=benjaminkay93 "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=benjaminkay93 "Documentation") | [<img src="https://avatars1.githubusercontent.com/u/868844?v=4" width="100px;"/><br /><sub>Gilles De Mey</sub>](https://demey.io)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=gillesdemey "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=gillesdemey "Documentation") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=gillesdemey "Tests") | [<img src="https://avatars0.githubusercontent.com/u/50928?v=4" width="100px;"/><br /><sub>Deniz Dogan</sub>](https://github.com/denizdogan)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=denizdogan "Code") | [<img src="https://avatars1.githubusercontent.com/u/13043635?v=4" width="100px;"/><br /><sub>Mikey Powers</sub>](https://github.com/mvpowers)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=mvpowers "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=mvpowers "Documentation") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=mvpowers "Tests") | [<img src="https://avatars2.githubusercontent.com/u/26580?v=4" width="100px;"/><br /><sub>Tony Trinh</sub>](https://github.com/tony19)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=tony19 "Code") | [<img src="https://avatars2.githubusercontent.com/u/2844046?v=4" width="100px;"/><br /><sub>Nikita Kurpas</sub>](https://github.com/NikitaKurpas)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=NikitaKurpas "Code") |
-| [<img src="https://avatars0.githubusercontent.com/u/18214059?v=4" width="100px;"/><br /><sub>Alcedo Nathaniel De Guzman Jr</sub>](https://twitter.com/natealcedo)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=natealcedo "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=natealcedo "Documentation") [💡](#example-natealcedo "Examples") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=natealcedo "Tests") | [<img src="https://avatars1.githubusercontent.com/u/65444?v=4" width="100px;"/><br /><sub>Pete Hodgson</sub>](http://thepete.net)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=moredip "Code") |
 <!-- ALL-CONTRIBUTORS-LIST:END -->
 
 ## LICENSE

From 601995f7fcc175c1cf5b42511ab1345fd86cabac Mon Sep 17 00:00:00 2001
From: Daniel Michalski <5457711+danielpmichalski@users.noreply.github.com>
Date: Sat, 16 Feb 2019 22:11:39 +0100
Subject: [PATCH 03/13] Update README.md

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 52b7fd6f..89803206 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,7 @@ If you've come here to help contribute - Thanks! Take a look at the [contributin
   - [Array](#array)
     - [.toBeArray()](#tobearray)
     - [.toBeArrayOfSize()](#tobearrayofsize)
+    - [.toBeArrayWithFloats](#tobearraywithfloats)
     - [.toIncludeAllMembers([members])](#toincludeallmembersmembers)
     - [.toIncludeAnyMembers([members])](#toincludeanymembersmembers)
     - [.toIncludeSameMembers([members])](#toincludesamemembersmembers)

From 8c33286d552c94ff5ff3bc5e5ba67f826fb5c1d9 Mon Sep 17 00:00:00 2001
From: Daniel Michalski <5457711+danielpmichalski@users.noreply.github.com>
Date: Sat, 16 Feb 2019 22:12:57 +0100
Subject: [PATCH 04/13] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 89803206..bbc2e59e 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ If you've come here to help contribute - Thanks! Take a look at the [contributin
   - [Array](#array)
     - [.toBeArray()](#tobearray)
     - [.toBeArrayOfSize()](#tobearrayofsize)
-    - [.toBeArrayWithFloats](#tobearraywithfloats)
+    - [.toBeArrayWithFloats([members], ?precision)](#tobearraywithfloatsmembersprecision)
     - [.toIncludeAllMembers([members])](#toincludeallmembersmembers)
     - [.toIncludeAnyMembers([members])](#toincludeanymembersmembers)
     - [.toIncludeSameMembers([members])](#toincludesamemembersmembers)

From 0294826e136ef40ff4084f679763b64d08f3a14b Mon Sep 17 00:00:00 2001
From: Daniel Michalski <5457711+danielpmichalski@users.noreply.github.com>
Date: Sat, 16 Feb 2019 22:17:27 +0100
Subject: [PATCH 05/13] Update README.md

---
 README.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/README.md b/README.md
index bbc2e59e..5c84f7af 100644
--- a/README.md
+++ b/README.md
@@ -273,6 +273,17 @@ test('passes when value is an array', () => {
 });
 ```
 
+#### .toBeArrayWithFloats([members], ?precision)
+
+Use `.toBeArrayWithFloats` when comparing arrays of floating-point numbers with chosen precision.
+
+```js
+test('passes when arrays have same floats', () => {
+  expect([1.11112, 2.22221]).toBeArrayWithFloats([1.11114, 2.22223]); // default 4-digit decimal precision
+  expect([1.112]).not.toBeArrayWithFloats([1.111], 3); // specified 3-digit decimal precision
+});
+```
+
 #### .toIncludeAllMembers([members])
 
 Use `.toIncludeAllMembers` when checking if an `Array` contains all of the same members of a given set.

From a2fc1d0cbb0655034d5f0a4dc215247551c7461b Mon Sep 17 00:00:00 2001
From: Daniel Michalski <5457711+danielpmichalski@users.noreply.github.com>
Date: Sat, 16 Feb 2019 22:19:30 +0100
Subject: [PATCH 06/13] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 5c84f7af..fa53e1bb 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ If you've come here to help contribute - Thanks! Take a look at the [contributin
   - [Array](#array)
     - [.toBeArray()](#tobearray)
     - [.toBeArrayOfSize()](#tobearrayofsize)
-    - [.toBeArrayWithFloats([members], ?precision)](#tobearraywithfloatsmembersprecision)
+    - [.toBeArrayWithFloats([members], ?precision)](#tobearraywithfloatsmembers-precision)
     - [.toIncludeAllMembers([members])](#toincludeallmembersmembers)
     - [.toIncludeAnyMembers([members])](#toincludeanymembersmembers)
     - [.toIncludeSameMembers([members])](#toincludesamemembersmembers)

From cd893baaa1ba9c8cb2a37e80a37e0d620a16ac90 Mon Sep 17 00:00:00 2001
From: Daniel Michalski <5457711+danielpmichalski@users.noreply.github.com>
Date: Sat, 16 Feb 2019 22:20:18 +0100
Subject: [PATCH 07/13] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index fa53e1bb..722f3d39 100644
--- a/README.md
+++ b/README.md
@@ -275,7 +275,7 @@ test('passes when value is an array', () => {
 
 #### .toBeArrayWithFloats([members], ?precision)
 
-Use `.toBeArrayWithFloats` when comparing arrays of floating-point numbers with chosen precision.
+Use `.toBeArrayWithFloats` when comparing arrays of floating-point numbers with chosen precision in the same order.
 
 ```js
 test('passes when arrays have same floats', () => {

From 6af2bf688292c352fea625ef14a737d3f3790c06 Mon Sep 17 00:00:00 2001
From: Daniel Michalski <danielp.michalski@gmail.com>
Date: Sat, 16 Feb 2019 22:27:50 +0100
Subject: [PATCH 08/13] contributor update

---
 .all-contributorsrc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.all-contributorsrc b/.all-contributorsrc
index f0254c3c..a5356095 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -455,7 +455,7 @@
       "login": "danielpmichalski",
       "name": "Daniel Michalski",
       "avatar_url": "",
-      "profile": "",
+      "profile": "https://github.com/danielpmichalski",
       "contributions": [
         "code",
         "doc",

From 4979172a585a40c46dcc14345061eeaaa09ce552 Mon Sep 17 00:00:00 2001
From: Daniel Michalski <5457711+danielpmichalski@users.noreply.github.com>
Date: Sat, 16 Feb 2019 22:36:05 +0100
Subject: [PATCH 09/13] Update README.md

---
 README.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/README.md b/README.md
index 722f3d39..5a180a9e 100644
--- a/README.md
+++ b/README.md
@@ -932,6 +932,14 @@ test('passes when value includes all substrings', () => {
 ## Contributors
 
 <!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
+| [<img src="https://avatars0.githubusercontent.com/u/5610087?v=4" width="100px;"/><br /><sub>Matt Phillips</sub>](http://mattphillips.io)<br />[📝](#blog-mattphillips "Blogposts") [💻](https://github.com/mattphillips/jest-extended/commits?author=mattphillips "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=mattphillips "Documentation") [💡](#example-mattphillips "Examples") [🚇](#infra-mattphillips "Infrastructure (Hosting, Build-Tools, etc)") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=mattphillips "Tests") | [<img src="https://avatars1.githubusercontent.com/u/611927?v=4" width="100px;"/><br /><sub>Stephen Bluck</sub>](https://github.com/stevebluck)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=stevebluck "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=stevebluck "Tests") | [<img src="https://avatars3.githubusercontent.com/u/5880416?v=4" width="100px;"/><br /><sub>Christoffer Hasselberg</sub>](https://github.com/stofolus)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=stofolus "Code") | [<img src="https://avatars1.githubusercontent.com/u/20847518?v=4" width="100px;"/><br /><sub>Brandon Newton</sub>](https://btnwtn.com)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=btnwtn "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=btnwtn "Documentation") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=btnwtn "Tests") | [<img src="https://avatars2.githubusercontent.com/u/4533277?v=4" width="100px;"/><br /><sub>Devan Patel</sub>](http://www.devanpatel.me)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=devanp92 "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=devanp92 "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/8472688?v=4" width="100px;"/><br /><sub>Gary Leutheuser</sub>](https://GaryLeutheuser.github.io)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=GaryLeutheuser "Code") | [<img src="https://avatars3.githubusercontent.com/u/24882614?v=4" width="100px;"/><br /><sub>Johan Lindgren</sub>](https://github.com/lindgr3n)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=lindgr3n "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=lindgr3n "Documentation") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=lindgr3n "Tests") |
+| :---: | :---: | :---: | :---: | :---: | :---: | :---: |
+| [<img src="https://avatars1.githubusercontent.com/u/159848?v=4" width="100px;"/><br /><sub>Andrew Hayward</sub>](http://andrewhayward.net)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=andrewhayward "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=andrewhayward "Tests") | [<img src="https://avatars3.githubusercontent.com/u/6209178?v=4" width="100px;"/><br /><sub>Oliver Schneider</sub>](https://ols.io)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=olsio "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=olsio "Tests") | [<img src="https://avatars1.githubusercontent.com/u/22359375?s=460&v=4" width="100px;"/><br /><sub>Tyle Whalen</sub>](https://github.com/tjwhalen16)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=tjwhalen16 "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=tjwhalen16 "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/17944339?v=4" width="100px;"/><br /><sub>Martius</sub>](https://github.com/martiuslim)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=martiuslim "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=martiuslim "Tests") | [<img src="https://avatars2.githubusercontent.com/u/10856932?v=4" width="100px;"/><br /><sub>Eli Collis</sub>](https://github.com/ecollis6)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=ecollis6 "Code") | [<img src="https://avatars0.githubusercontent.com/u/10706203?v=4" width="100px;"/><br /><sub>Marcin Lichwała</sub>](https://github.com/marcinlichwala)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=marcinlichwala "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=marcinlichwala "Tests") | [<img src="https://avatars3.githubusercontent.com/u/1984733?v=4" width="100px;"/><br /><sub>Massimo Prencipe</sub>](https://github.com/mprencipe)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=mprencipe "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=mprencipe "Tests") |
+| [<img src="https://avatars2.githubusercontent.com/u/33098064?v=4" width="100px;"/><br /><sub>mjmiles</sub>](https://github.com/mjmiles)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=mjmiles "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=mjmiles "Documentation") | [<img src="https://avatars1.githubusercontent.com/u/13333582?v=4" width="100px;"/><br /><sub>Gary Meehan</sub>](https://github.com/garmeeh)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=garmeeh "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=garmeeh "Documentation") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=garmeeh "Tests") | [<img src="https://avatars2.githubusercontent.com/u/3191489?v=4" width="100px;"/><br /><sub>Fredrik Mäkilä</sub>](https://github.com/GitHug)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=GitHug "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=GitHug "Tests") | [<img src="https://avatars2.githubusercontent.com/u/9046616?v=4" width="100px;"/><br /><sub>Daniel Reinoso</sub>](http://kloc.io/)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=danielr18 "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=danielr18 "Tests") | [<img src="https://avatars1.githubusercontent.com/u/4359781?v=4" width="100px;"/><br /><sub>Chris Hut</sub>](https://github.com/tophernuts)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=tophernuts "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=tophernuts "Tests") | [<img src="https://avatars2.githubusercontent.com/u/1513183?v=4" width="100px;"/><br /><sub>Kelvin Ly</sub>](https://github.com/cactorium)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=cactorium "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=cactorium "Tests") | [<img src="https://avatars0.githubusercontent.com/u/11182826?v=4" width="100px;"/><br /><sub>Francis Ngo</sub>](https://github.com/francisngo)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=francisngo "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=francisngo "Tests") |
+| [<img src="https://avatars1.githubusercontent.com/u/10330923?v=4" width="100px;"/><br /><sub>Amish Shah</sub>](https://hydrabolt.me/)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=hydrabolt "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=hydrabolt "Tests") | [<img src="https://avatars3.githubusercontent.com/u/2045206?v=4" width="100px;"/><br /><sub>Dave Cooper</sub>](http://davecooper.org)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=grug "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=grug "Tests") | [<img src="https://avatars3.githubusercontent.com/u/3630495?v=4" width="100px;"/><br /><sub>Swann Polydor</sub>](https://github.com/soueuls)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=soueuls "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=soueuls "Tests") | [<img src="https://avatars1.githubusercontent.com/u/2027003?v=4" width="100px;"/><br /><sub>vikneshwar</sub>](https://github.com/vikneshwar)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=vikneshwar "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=vikneshwar "Tests") | [<img src="https://avatars1.githubusercontent.com/u/1243921?v=4" width="100px;"/><br /><sub>Budi Irawan</sub>](http://budiirawan.com)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=deerawan "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=deerawan "Tests") | [<img src="https://avatars2.githubusercontent.com/u/980783?v=4" width="100px;"/><br /><sub>Tejas Bubane</sub>](http://foss-geek.blogspot.com/)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=tejasbubane "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=tejasbubane "Tests") [📖](https://github.com/mattphillips/jest-extended/commits?author=tejasbubane "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/13134653?v=4" width="100px;"/><br /><sub>Subinoy Ghosh</sub>](https://github.com/subinoy7)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=subinoy7 "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=subinoy7 "Tests") |
+| [<img src="https://avatars1.githubusercontent.com/u/1404810?v=4" width="100px;"/><br /><sub>Simen Bekkhus</sub>](https://github.com/SimenB)<br />[📖](https://github.com/mattphillips/jest-extended/commits?author=SimenB "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/49038?v=4" width="100px;"/><br /><sub>Orta</sub>](http://orta.io)<br />[📖](https://github.com/mattphillips/jest-extended/commits?author=orta "Documentation") | [<img src="https://avatars3.githubusercontent.com/u/17221813?v=4" width="100px;"/><br /><sub>Tom</sub>](https://jsdevtom.com)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=jsdevtom "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=jsdevtom "Documentation") [💡](#example-jsdevtom "Examples") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=jsdevtom "Tests") | [<img src="https://avatars0.githubusercontent.com/u/15064535?v=4" width="100px;"/><br /><sub>Lucian Buzzo</sub>](https://github.com/LucianBuzzo)<br /> | [<img src="https://avatars3.githubusercontent.com/u/2997844?v=4" width="100px;"/><br /><sub>Thiago Delgado Pinto</sub>](https://github.com/thiagodp)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=thiagodp "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=thiagodp "Documentation") [💡](#example-thiagodp "Examples") [🤔](#ideas-thiagodp "Ideas, Planning, & Feedback") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=thiagodp "Tests") | [<img src="https://avatars0.githubusercontent.com/u/3042904?v=4" width="100px;"/><br /><sub>Ragnar Laud</sub>](https://github.com/xprn)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=xprn "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=xprn "Documentation") | [<img src="https://avatars0.githubusercontent.com/u/3047126?v=4" width="100px;"/><br /><sub>Luiz Américo</sub>](https://github.com/blikblum)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=blikblum "Code") |
+| [<img src="https://avatars0.githubusercontent.com/u/615334?v=4" width="100px;"/><br /><sub>Frederick Fogerty</sub>](https://github.com/frederickfogerty)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=frederickfogerty "Code") [🤔](#ideas-frederickfogerty "Ideas, Planning, & Feedback") | [<img src="https://avatars1.githubusercontent.com/u/10714808?v=4" width="100px;"/><br /><sub>Benjamin Kay</sub>](https://github.com/benjaminkay93)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=benjaminkay93 "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=benjaminkay93 "Documentation") | [<img src="https://avatars1.githubusercontent.com/u/868844?v=4" width="100px;"/><br /><sub>Gilles De Mey</sub>](https://demey.io)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=gillesdemey "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=gillesdemey "Documentation") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=gillesdemey "Tests") | [<img src="https://avatars0.githubusercontent.com/u/50928?v=4" width="100px;"/><br /><sub>Deniz Dogan</sub>](https://github.com/denizdogan)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=denizdogan "Code") | [<img src="https://avatars1.githubusercontent.com/u/13043635?v=4" width="100px;"/><br /><sub>Mikey Powers</sub>](https://github.com/mvpowers)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=mvpowers "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=mvpowers "Documentation") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=mvpowers "Tests") | [<img src="https://avatars2.githubusercontent.com/u/26580?v=4" width="100px;"/><br /><sub>Tony Trinh</sub>](https://github.com/tony19)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=tony19 "Code") | [<img src="https://avatars2.githubusercontent.com/u/2844046?v=4" width="100px;"/><br /><sub>Nikita Kurpas</sub>](https://github.com/NikitaKurpas)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=NikitaKurpas "Code") |
+| [<img src="https://avatars0.githubusercontent.com/u/18214059?v=4" width="100px;"/><br /><sub>Alcedo Nathaniel De Guzman Jr</sub>](https://twitter.com/natealcedo)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=natealcedo "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=natealcedo "Documentation") [💡](#example-natealcedo "Examples") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=natealcedo "Tests") | [<img src="https://avatars1.githubusercontent.com/u/65444?v=4" width="100px;"/><br /><sub>Pete Hodgson</sub>](http://thepete.net)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=moredip "Code") |
 <!-- ALL-CONTRIBUTORS-LIST:END -->
 
 ## LICENSE

From c54aef3c37a29eb12cebaea04fc7ad59333a5194 Mon Sep 17 00:00:00 2001
From: Daniel Michalski <5457711+danielpmichalski@users.noreply.github.com>
Date: Sat, 16 Feb 2019 22:42:56 +0100
Subject: [PATCH 10/13] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 5a180a9e..1355078a 100644
--- a/README.md
+++ b/README.md
@@ -939,7 +939,7 @@ test('passes when value includes all substrings', () => {
 | [<img src="https://avatars1.githubusercontent.com/u/10330923?v=4" width="100px;"/><br /><sub>Amish Shah</sub>](https://hydrabolt.me/)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=hydrabolt "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=hydrabolt "Tests") | [<img src="https://avatars3.githubusercontent.com/u/2045206?v=4" width="100px;"/><br /><sub>Dave Cooper</sub>](http://davecooper.org)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=grug "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=grug "Tests") | [<img src="https://avatars3.githubusercontent.com/u/3630495?v=4" width="100px;"/><br /><sub>Swann Polydor</sub>](https://github.com/soueuls)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=soueuls "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=soueuls "Tests") | [<img src="https://avatars1.githubusercontent.com/u/2027003?v=4" width="100px;"/><br /><sub>vikneshwar</sub>](https://github.com/vikneshwar)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=vikneshwar "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=vikneshwar "Tests") | [<img src="https://avatars1.githubusercontent.com/u/1243921?v=4" width="100px;"/><br /><sub>Budi Irawan</sub>](http://budiirawan.com)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=deerawan "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=deerawan "Tests") | [<img src="https://avatars2.githubusercontent.com/u/980783?v=4" width="100px;"/><br /><sub>Tejas Bubane</sub>](http://foss-geek.blogspot.com/)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=tejasbubane "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=tejasbubane "Tests") [📖](https://github.com/mattphillips/jest-extended/commits?author=tejasbubane "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/13134653?v=4" width="100px;"/><br /><sub>Subinoy Ghosh</sub>](https://github.com/subinoy7)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=subinoy7 "Code") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=subinoy7 "Tests") |
 | [<img src="https://avatars1.githubusercontent.com/u/1404810?v=4" width="100px;"/><br /><sub>Simen Bekkhus</sub>](https://github.com/SimenB)<br />[📖](https://github.com/mattphillips/jest-extended/commits?author=SimenB "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/49038?v=4" width="100px;"/><br /><sub>Orta</sub>](http://orta.io)<br />[📖](https://github.com/mattphillips/jest-extended/commits?author=orta "Documentation") | [<img src="https://avatars3.githubusercontent.com/u/17221813?v=4" width="100px;"/><br /><sub>Tom</sub>](https://jsdevtom.com)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=jsdevtom "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=jsdevtom "Documentation") [💡](#example-jsdevtom "Examples") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=jsdevtom "Tests") | [<img src="https://avatars0.githubusercontent.com/u/15064535?v=4" width="100px;"/><br /><sub>Lucian Buzzo</sub>](https://github.com/LucianBuzzo)<br /> | [<img src="https://avatars3.githubusercontent.com/u/2997844?v=4" width="100px;"/><br /><sub>Thiago Delgado Pinto</sub>](https://github.com/thiagodp)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=thiagodp "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=thiagodp "Documentation") [💡](#example-thiagodp "Examples") [🤔](#ideas-thiagodp "Ideas, Planning, & Feedback") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=thiagodp "Tests") | [<img src="https://avatars0.githubusercontent.com/u/3042904?v=4" width="100px;"/><br /><sub>Ragnar Laud</sub>](https://github.com/xprn)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=xprn "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=xprn "Documentation") | [<img src="https://avatars0.githubusercontent.com/u/3047126?v=4" width="100px;"/><br /><sub>Luiz Américo</sub>](https://github.com/blikblum)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=blikblum "Code") |
 | [<img src="https://avatars0.githubusercontent.com/u/615334?v=4" width="100px;"/><br /><sub>Frederick Fogerty</sub>](https://github.com/frederickfogerty)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=frederickfogerty "Code") [🤔](#ideas-frederickfogerty "Ideas, Planning, & Feedback") | [<img src="https://avatars1.githubusercontent.com/u/10714808?v=4" width="100px;"/><br /><sub>Benjamin Kay</sub>](https://github.com/benjaminkay93)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=benjaminkay93 "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=benjaminkay93 "Documentation") | [<img src="https://avatars1.githubusercontent.com/u/868844?v=4" width="100px;"/><br /><sub>Gilles De Mey</sub>](https://demey.io)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=gillesdemey "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=gillesdemey "Documentation") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=gillesdemey "Tests") | [<img src="https://avatars0.githubusercontent.com/u/50928?v=4" width="100px;"/><br /><sub>Deniz Dogan</sub>](https://github.com/denizdogan)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=denizdogan "Code") | [<img src="https://avatars1.githubusercontent.com/u/13043635?v=4" width="100px;"/><br /><sub>Mikey Powers</sub>](https://github.com/mvpowers)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=mvpowers "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=mvpowers "Documentation") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=mvpowers "Tests") | [<img src="https://avatars2.githubusercontent.com/u/26580?v=4" width="100px;"/><br /><sub>Tony Trinh</sub>](https://github.com/tony19)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=tony19 "Code") | [<img src="https://avatars2.githubusercontent.com/u/2844046?v=4" width="100px;"/><br /><sub>Nikita Kurpas</sub>](https://github.com/NikitaKurpas)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=NikitaKurpas "Code") |
-| [<img src="https://avatars0.githubusercontent.com/u/18214059?v=4" width="100px;"/><br /><sub>Alcedo Nathaniel De Guzman Jr</sub>](https://twitter.com/natealcedo)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=natealcedo "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=natealcedo "Documentation") [💡](#example-natealcedo "Examples") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=natealcedo "Tests") | [<img src="https://avatars1.githubusercontent.com/u/65444?v=4" width="100px;"/><br /><sub>Pete Hodgson</sub>](http://thepete.net)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=moredip "Code") |
+| [<img src="https://avatars0.githubusercontent.com/u/18214059?v=4" width="100px;"/><br /><sub>Alcedo Nathaniel De Guzman Jr</sub>](https://twitter.com/natealcedo)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=natealcedo "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=natealcedo "Documentation") [💡](#example-natealcedo "Examples") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=natealcedo "Tests") | [<img src="https://avatars1.githubusercontent.com/u/65444?v=4" width="100px;"/><br /><sub>Pete Hodgson</sub>](http://thepete.net)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=moredip "Code") | [<img src="https://avatars2.githubusercontent.com/u/5457711?v=4" width="100px;"/><br /><sub>Daniel Michalski</sub>](https://twitter.com/crazyPolishDan)<br />[💻](https://github.com/mattphillips/jest-extended/commits?author=danielpmichalski "Code") [📖](https://github.com/mattphillips/jest-extended/commits?author=danielpmichalski "Documentation") [⚠️](https://github.com/mattphillips/jest-extended/commits?author=danielpmichalski "Tests") |
 <!-- ALL-CONTRIBUTORS-LIST:END -->
 
 ## LICENSE

From 0c2a35782bb9da4081b61ddb770e2f9ceda9fe77 Mon Sep 17 00:00:00 2001
From: Daniel Michalski <5457711+danielpmichalski@users.noreply.github.com>
Date: Sat, 16 Feb 2019 22:43:55 +0100
Subject: [PATCH 11/13] Update .all-contributorsrc

---
 .all-contributorsrc | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/.all-contributorsrc b/.all-contributorsrc
index a5356095..a5a750a9 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -454,12 +454,11 @@
     {
       "login": "danielpmichalski",
       "name": "Daniel Michalski",
-      "avatar_url": "",
-      "profile": "https://github.com/danielpmichalski",
+      "avatar_url": "https://avatars2.githubusercontent.com/u/5457711?v=4",
+      "profile": "https://twitter.com/crazyPolishDan",
       "contributions": [
         "code",
         "doc",
-        "example",
         "test"
       ]
     }

From bb9411d298c8eab34ac23dfc57ebcfa02e6e3ff0 Mon Sep 17 00:00:00 2001
From: Daniel Michalski <danielp.michalski@gmail.com>
Date: Mon, 18 Feb 2019 16:22:45 +0100
Subject: [PATCH 12/13] improve test coverage

---
 src/matchers/toBeArrayWithFloats/index.js     |  4 +-
 src/matchers/toBeArrayWithFloats/predicate.js | 38 +++++++++++++----
 .../toBeArrayWithFloats/predicate.test.js     | 41 +++++++++++++++++++
 3 files changed, 73 insertions(+), 10 deletions(-)

diff --git a/src/matchers/toBeArrayWithFloats/index.js b/src/matchers/toBeArrayWithFloats/index.js
index 4a02549d..00028612 100644
--- a/src/matchers/toBeArrayWithFloats/index.js
+++ b/src/matchers/toBeArrayWithFloats/index.js
@@ -5,12 +5,12 @@ export default {
     const pass = predicate(received, expected, precision);
     if (pass) {
       return {
-        message: () => `expected [${received}] not to be equal to [${expected}] with ${precision}-digit precision`,
+        message: `expected [${received}] not to be equal to [${expected}] with ${precision}-digit precision`,
         pass: true
       };
     } else {
       return {
-        message: () => `expected [${received}] to be equal to [${expected}] with ${precision}-digit precision`,
+        message: `expected [${received}] to be equal to [${expected}] with ${precision}-digit precision`,
         pass: false
       };
     }
diff --git a/src/matchers/toBeArrayWithFloats/predicate.js b/src/matchers/toBeArrayWithFloats/predicate.js
index 4db53a02..ee0a85b2 100644
--- a/src/matchers/toBeArrayWithFloats/predicate.js
+++ b/src/matchers/toBeArrayWithFloats/predicate.js
@@ -1,9 +1,20 @@
+const isUndefined = function(obj) {
+  return typeof obj === 'undefined';
+};
+
+const someUndefined = function(...objects) {
+  let check = false;
+  objects.forEach(item => (check = check || isUndefined(item)));
+  return check;
+};
+
 const areArrays = function(...objects) {
-  if (typeof objects === 'undefined') {
+  if (someUndefined(objects)) {
     return false;
   }
+
   let allArrays = true;
-  objects.forEach(param => (allArrays = allArrays && Array.isArray(param)));
+  objects.forEach(item => (allArrays = allArrays && Array.isArray(item)));
   return allArrays;
 };
 
@@ -11,15 +22,26 @@ const cutDecimals = function(num, precision = 4) {
   return Number.parseFloat(Number.parseFloat(num).toFixed(precision));
 };
 
-const arrayWithFloatsEquals = function(current, other, precision = 4) {
-  if (current.length !== other.length) {
+const floatsEqual = function(float1, float2, precision = 4) {
+  let a = cutDecimals(float1, precision);
+  let b = cutDecimals(float2, precision);
+
+  if (a === 0 && b === 0) {
+    return true;
+  } else if (a !== 0 && b === 0) {
+    return false;
+  } else {
+    return a / b === 1;
+  }
+};
+
+const arrayWithFloatsEquals = function(array1, array2, precision = 4) {
+  if (array1.length !== array2.length) {
     return false;
   }
 
-  for (let i = 0; i < current.length; i++) {
-    let first = cutDecimals(current[i], precision);
-    let second = cutDecimals(other[i], precision);
-    if (first / second !== 1) {
+  for (let i = 0; i < array1.length; i++) {
+    if (!floatsEqual(array1[i], array2[i], precision)) {
       return false;
     }
   }
diff --git a/src/matchers/toBeArrayWithFloats/predicate.test.js b/src/matchers/toBeArrayWithFloats/predicate.test.js
index 2786d5b7..88a742df 100644
--- a/src/matchers/toBeArrayWithFloats/predicate.test.js
+++ b/src/matchers/toBeArrayWithFloats/predicate.test.js
@@ -5,6 +5,14 @@ describe('toBeArrayWithFloats predicate - positive test cases', () => {
     expect(predicate([], [])).toBe(true);
   });
 
+  test('returns true for arrays with zeroes', () => {
+    expect(predicate([0.0], [0.0])).toBe(true);
+  });
+
+  test('processes equal arrays with zeroes', () => {
+    expect(predicate([0.0, 1.0], [0.0, 1.0])).toBe(true);
+  });
+
   test('returns true for arrays with same floats with default precision', () => {
     expect(predicate([1.0001, 2.123], [1.00011, 2.123])).toBe(true);
   });
@@ -19,6 +27,39 @@ describe('toBeArrayWithFloats predicate - positive test cases', () => {
 });
 
 describe('toBeArrayWithFloats predicate - negative test cases', () => {
+  test('returns false for undefined objects', () => {
+    expect(predicate(undefined, undefined)).toBe(false);
+  });
+
+  test('returns false for comparing an array to undefined objects', () => {
+    expect(predicate([], undefined)).toBe(false);
+  });
+
+  test('returns false for comparing an array to undefined objects no.2', () => {
+    expect(predicate(undefined, [])).toBe(false);
+  });
+
+  test('returns false when one value is non-array', () => {
+    expect(predicate([1.0], 'non-array')).toBe(false);
+    expect(predicate('non-array', [1.0])).toBe(false);
+  });
+
+  test('returns false for non-array values', () => {
+    expect(predicate('string', 5)).toBe(false);
+  });
+
+  test('processes non-equal arrays with zeroes', () => {
+    expect(predicate([0, 1.0], [0, 0])).toBe(false);
+  });
+
+  test('processes non-equal arrays with zeroes in 2nd array', () => {
+    expect(predicate([1.0], [0])).toBe(false);
+  });
+
+  test('returns false when comparing arrays of different size', () => {
+    expect(predicate([1.0], [1.0, 2.0])).toBe(false);
+  });
+
   test('returns false for arrays with different floats with default precision', () => {
     expect(predicate([1.1111], [1.1112])).toBe(false);
   });

From 5a84183fce6c66208d9a3d54baa648af542bc60b Mon Sep 17 00:00:00 2001
From: Daniel Michalski <danielp.michalski@gmail.com>
Date: Mon, 18 Feb 2019 16:30:51 +0100
Subject: [PATCH 13/13] fix test coverage

---
 src/matchers/toBeArrayWithFloats/predicate.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/matchers/toBeArrayWithFloats/predicate.js b/src/matchers/toBeArrayWithFloats/predicate.js
index ee0a85b2..90de8583 100644
--- a/src/matchers/toBeArrayWithFloats/predicate.js
+++ b/src/matchers/toBeArrayWithFloats/predicate.js
@@ -2,7 +2,7 @@ const isUndefined = function(obj) {
   return typeof obj === 'undefined';
 };
 
-const someUndefined = function(...objects) {
+const someUndefined = function(objects) {
   let check = false;
   objects.forEach(item => (check = check || isUndefined(item)));
   return check;
@@ -18,11 +18,11 @@ const areArrays = function(...objects) {
   return allArrays;
 };
 
-const cutDecimals = function(num, precision = 4) {
+const cutDecimals = function(num, precision) {
   return Number.parseFloat(Number.parseFloat(num).toFixed(precision));
 };
 
-const floatsEqual = function(float1, float2, precision = 4) {
+const floatsEqual = function(float1, float2, precision) {
   let a = cutDecimals(float1, precision);
   let b = cutDecimals(float2, precision);
 
@@ -35,7 +35,7 @@ const floatsEqual = function(float1, float2, precision = 4) {
   }
 };
 
-const arrayWithFloatsEquals = function(array1, array2, precision = 4) {
+const arrayWithFloatsEquals = function(array1, array2, precision) {
   if (array1.length !== array2.length) {
     return false;
   }