add nova

nova/src/Metrics/RoundingPrecision.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Laravel\Nova\Metrics;
+
+trait RoundingPrecision
+{
+    /**
+     * Rounding precision.
+     *
+     * @var int
+     */
+    public $roundingPrecision = 0;
+
+    /**
+     * Rounding mode.
+     *
+     * @var 1|2|3|4
+     */
+    public $roundingMode = PHP_ROUND_HALF_UP;
+
+    /**
+     * Set the precision level used when rounding the value.
+     *
+     * @param  int  $precision
+     * @param  1|2|3|4  $mode
+     * @return $this
+     */
+    public function precision($precision = 0, $mode = PHP_ROUND_HALF_UP)
+    {
+        $this->roundingPrecision = $precision;
+
+        if (in_array($mode, [PHP_ROUND_HALF_UP, PHP_ROUND_HALF_DOWN, PHP_ROUND_HALF_EVEN, PHP_ROUND_HALF_ODD])) {
+            $this->roundingMode = $mode;
+        }
+
+        return $this;
+    }
+}