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How to use get_precision method of pts_math class

Best Phoronix-test-suite code snippet using pts_math.get_precision

pts_math.php

Source:pts_math.php

...18class pts_math19{20	public static function values_outside_three_sigma_limits($values)21	{22		$p = pts_math::get_precision($values);23		$tsl = pts_math::three_sigma_limits($values, $p);24		$outside_limits = array();25		foreach($values as $num)26		{27			if($num < $tsl[0] || $num > $tsl[1])28			{29				$outside_limits[] = $num;30			}31		}32		return empty($outside_limits) ? false : $outside_limits;33	}34	public static function three_sigma_limits($values, $p = 2)35	{36		$avg = pts_math::arithmetic_mean($values);37		$variance = pts_math::variance($values, $avg);38		$std_dev = sqrt($variance);39		$std_dev_3x = $std_dev * 3;40		return array(round($avg - $std_dev_3x, $p), round($avg + $std_dev_3x, $p));41	}42	public static function variance($values, $avg)43	{44		return array_sum(array_map(function($v) use ($avg) { return pow($v - $avg, 2); }, $values)) / count($values);45	}46	public static function arithmetic_mean($values)47	{48		return array_sum($values) / count($values);49	}50	public static function geometric_mean($values)51	{52		// simple code hits INF issue on large arrays53		//return pow(array_product($values), (1 / count($values)));54		$power = 1 / count($values);55		$chunk_r = array();56		foreach(array_chunk($values, 8) as $chunk)57		{58			$chunk_r[] = pow(array_product($chunk), $power);59		}60		return array_product($chunk_r);61	}62	public static function harmonic_mean($values)63	{64		// useful for rates / all same result types65		$sum = 0;66		foreach($values as $v)67		{68			$sum += 1 / $v;69		}70		return (1 / $sum) * count($values);71	}72	public static function standard_error($values)73	{74		self::clean_numeric_array($values);75		return empty($values) ? 0 : (self::standard_deviation($values) / sqrt(count($values)));76	}77	public static function remove_outliers($values, $mag = 2)78	{79		$ret = array();80		$mean = pts_math::arithmetic_mean($values);81		$std_dev = self::standard_deviation($values);82		$outlier = $mag * $std_dev;83		foreach($values as $i)84		{85			if(is_numeric($i) && abs($i - $mean) <= $outlier)86			{87				$ret[] = $i;88			}89		}90		return $ret;91	}92	public static function standard_deviation($values)93	{94		self::clean_numeric_array($values);95		$count = count($values);96		if($count < 2)97		{98			return 0;99		}100		$total = array_sum($values);101		$mean = $total / $count;102		$standard_sum = 0;103		foreach($values as $value)104		{105			$standard_sum += pow(($value - $mean), 2);106		}107		return sqrt($standard_sum / ($count - 1));108	}109	public static function percent_standard_deviation($values)110	{111		if(count($values) == 0)112		{113			// No values114			return 0;115		}116		$standard_deviation = pts_math::standard_deviation($values);117		$average_value = pts_math::arithmetic_mean($values);118		return $average_value != 0 ? ($standard_deviation / $average_value * 100) : 0;119	}120	public static function get_precision($number)121	{122		// number of decimal digits123		if(is_array($number))124		{125			$max_precision = 0;126			foreach($number as $n)127			{128				$max_precision = max($max_precision, pts_math::get_precision($n));129			}130			return $max_precision;131		}132		else133		{134			return strlen(substr(strrchr($number, '.'), 1));135		}136	}137	public static function set_precision($number, $precision = 2)138	{139		// This is better than using round() with precision because of the $precision is > than the current value, 0s will not be appended140		return is_numeric($number) ? number_format($number, $precision, '.', '') : $number;141	}142	public static function find_percentile($values, $quartile)...

get_precision

Using AI Code Generation

1echo "Precision of 10.0 is " . pts_math::get_precision(10.0) . "2";3echo "Precision of 10.00 is " . pts_math::get_precision(10.00) . "4";5echo "Precision of 10.000 is " . pts_math::get_precision(10.000) . "6";7echo "Precision of 10.0000 is " . pts_math::get_precision(10.0000) . "8";9echo "Precision of 10.00000 is " . pts_math::get_precision(10.00000) . "10";11echo "Precision of 10.000000 is " . pts_math::get_precision(10.000000) . "12";13echo "Precision of 10.0000000 is " . pts_math::get_precision(10.0000000) . "14";15echo "Precision of 10.00000000 is " . pts_math::get_precision(10.00000000) . "16";17echo "Precision of 10.000000000 is " . pts_math::get_precision(10.000000000) . "18";19echo "Precision of 10.0000000000 is " . pts_math::get_precision(10.0000000000) . "20";21echo "Precision of 10.00000000000 is " . pts_math::get_precision(10.00000000000) . "22";23echo "Precision of 10.000000000000 is " . pts_math::get_precision(10.000000000000) . "24";

get_precision

Using AI Code Generation

1$precision = pts_math::get_precision(2.3456789);2echo $precision;3$precision = pts_math::get_precision(2.3456789, 2);4echo $precision;5$precision = pts_math::get_precision(2.3456789, 3);6echo $precision;7$precision = pts_math::get_precision(2.3456789, 4);8echo $precision;9$precision = pts_math::get_precision(2.3456789, 5);10echo $precision;11$precision = pts_math::get_precision(2.3456789, 6);12echo $precision;13$precision = pts_math::get_precision(2.3456789, 7);14echo $precision;15$precision = pts_math::get_precision(2.3456789, 8);16echo $precision;17$precision = pts_math::get_precision(2.3456789, 9);18echo $precision;19$precision = pts_math::get_precision(2.3456789, 10);20echo $precision;21$precision = pts_math::get_precision(2.3456789, 11);22echo $precision;

get_precision

Using AI Code Generation

1require_once('pts_math.php');2echo pts_math::get_precision(0.12345678);3echo pts_math::get_precision(0.00000001);4echo pts_math::get_precision(1.2345678);5echo pts_math::get_precision(1.2345678, 3);6echo pts_math::get_precision(0.00000001, 3);7echo pts_math::get_precision(0.12345678, 3);8require_once('pts_math.php');9echo pts_math::get_precision(0.12345678);10echo pts_math::get_precision(0.00000001);11echo pts_math::get_precision(1.2345678);12echo pts_math::get_precision(1.2345678, 3);13echo pts_math::get_precision(0.00000001, 3);14echo pts_math::get_precision(0.12345678, 3);15require_once('pts_math.php');16echo pts_math::get_precision(0.12345678);17echo pts_math::get_precision(0.00000001);18echo pts_math::get_precision(1.2345678);19echo pts_math::get_precision(1.2345678, 3);20echo pts_math::get_precision(0.00000001, 3);21echo pts_math::get_precision(0.12345678, 3);22require_once('pts_math.php');23echo pts_math::get_precision(0.12345678);24echo pts_math::get_precision(0.00000001);25echo pts_math::get_precision(1.2345678);26echo pts_math::get_precision(1.2345678, 3);27echo pts_math::get_precision(0.00000001, 3);28echo pts_math::get_precision(0.12345678, 3);

get_precision

Using AI Code Generation

1require_once 'pts_math.php';2$precision = pts_math::get_precision(1.2345);3echo $precision;4require_once 'pts_math.php';5$precision = pts_math::get_precision(1.2345, 2);6echo $precision;7require_once 'pts_math.php';8$precision = pts_math::get_precision(1.2345, 2, true);9echo $precision;10require_once 'pts_math.php';11$precision = pts_math::get_precision(1.2345, 2, false);12echo $precision;13require_once 'pts_math.php';14$precision = pts_math::get_precision(1.2345, 2, true, 1);15echo $precision;16require_once 'pts_math.php';17$precision = pts_math::get_precision(1.2345, 2, true, 2);18echo $precision;19require_once 'pts_math.php';20$precision = pts_math::get_precision(1.2345, 2, true, 3);21echo $precision;22require_once 'pts_math.php';23$precision = pts_math::get_precision(1.2345, 2, true, 4);24echo $precision;

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