Add src files for CoreLibs composer all package

src/Convert/Math.php

@@ -0,0 +1,61 @@
+<?php
+
+/*
+ * various math related function wrappers
+ */
+
+declare(strict_types=1);
+
+namespace CoreLibs\Convert;
+
+class Math
+{
+	/**
+	 * some float numbers will be rounded up even if they have no decimal entries
+	 * this function fixes this by pre-rounding before calling ceil
+	 *
+	 * @param  float       $number    number to round
+	 * @param  int|integer $precision intermediat round up decimals (default 10)
+	 * @return float                  correct ceil number
+	 */
+	public static function fceil(float $number, int $precision = 10): float
+	{
+		return ceil(round($number, $precision));
+	}
+
+	/**
+	 * round inside an a number, not the decimal part only
+	 * eg 48767 with -2 -> 48700
+	 *
+	 * @param  float $number    number to round
+	 * @param  int   $precision negative number for position in number (default -2)
+	 * @return float            rounded number
+	 */
+	public static function floorp(float $number, int $precision = -2): float
+	{
+		// if precision is requal or larger than the number length,
+		// set precision to length -1
+		if (abs($precision) >= strlen((string)$number)) {
+			$precision = (strlen((string)$number) - 1) * -1;
+		}
+		$mult = pow(10, $precision); // Can be cached in lookup table
+		return floor($number * $mult) / $mult;
+	}
+
+	/**
+	 * inits input to 0, if value is not numeric
+	 *
+	 * @param  string|int|float $number string or number to check
+	 * @return float                    if not number, then returns 0, else original input
+	 */
+	public static function initNumeric($number): float
+	{
+		if (!is_numeric($number)) {
+			return 0;
+		} else {
+			return (float)$number;
+		}
+	}
+}
+
+// __END__