feat: add assert float equals

src/Asserts.php

@@ -13,6 +13,8 @@
 
 trait Asserts
 {
+    const DEFAULT_PRECISION = 6;
+
     public function assertJsonSubset($expected, $actual, string $message = null)
     {
         $actual   = \json_encode($actual);
@@ -31,4 +33,20 @@ public function assertJsonSubsets($expected, /* more expected ...*/ $actual)
             $this->assertJsonSubset($expect, $actual, "Data set #$i: ");
         }
     }
+
+    public function assertFloatEquals(float $expected, float $actual, int $precision = null, string $message = null)
+    {
+        $precision = $precision ?? static::DEFAULT_PRECISION;
+
+        if (\function_exists('bccomp')) {
+            $this->assertSame(0, \bccomp($expected, $actual, $precision), $message);
+
+            return;
+        }
+
+        $expected  = \round($expected, $precision);
+        $actual    = \round($actual, $precision);
+
+        $this->assertEquals($expected, $actual, $message, \pow(10, 0 - \abs($precision)));
+    }
 }