From 128106bdfdbf6ca032e855ace5c6a9503aaf5835 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20M=C3=B6ller?= <am@localheinz.com>
Date: Mon, 24 Jan 2022 09:57:41 +0100
Subject: [PATCH] Enhancement: Use PHP_FLOAT_EPSILON

---
 CHANGELOG.md          | 1 +
 psalm-baseline.xml    | 3 +++
 src/FloatProvider.php | 4 ++--
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4a8a1cb..b2af865 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ For a full diff see [`1.0.0...main`][1.0.0...main].
 ### Changed
 
 - Dropped support for PHP 7.3 ([#21]), by [@localheinz]
+- Started using `PHP_FLOAT_EPSILON` instead of `0.1` in `FloatProvider` ([#23]), by [@localheinz]
 
 ## [`1.0.0`][1.0.0]
 
diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index 3368bca..d28e4b2 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -13,6 +13,9 @@
     </MoreSpecificReturnType>
   </file>
   <file src="src/FloatProvider.php">
+    <InvalidOperand occurrences="1">
+      <code>-1 * \PHP_FLOAT_EPSILON</code>
+    </InvalidOperand>
     <MoreSpecificReturnType occurrences="7">
       <code>\Generator&lt;string, array{0: float}&gt;</code>
       <code>\Generator&lt;string, array{0: float}&gt;</code>
diff --git a/src/FloatProvider.php b/src/FloatProvider.php
index ae0d82b..d7a6870 100644
--- a/src/FloatProvider.php
+++ b/src/FloatProvider.php
@@ -91,11 +91,11 @@ private static function values(): array
         $faker = self::faker();
 
         return [
-            'float-less-than-minus-one' => -0.01 - $faker->randomFloat(null, 1),
+            'float-less-than-minus-one' => (-1 * \PHP_FLOAT_EPSILON) - $faker->randomFloat(null, 1),
             'float-minus-one' => -1.0,
             'float-zero' => 0.0,
             'float-plus-one' => 1.0,
-            'float-greater-than-plus-one' => 0.01 + $faker->randomFloat(null, 1),
+            'float-greater-than-plus-one' => \PHP_FLOAT_EPSILON + $faker->randomFloat(null, 1),
         ];
     }
 }