How to use pts_math class

Best Phoronix-test-suite code snippet using pts_math

pts_math.php

Source:pts_math.php

...14	GNU General Public License for more details.15	You should have received a copy of the GNU General Public License16	along with this program. If not, see <http://www.gnu.org/licenses/>.17*/18class pts_math19{20	public static function values_outside_three_sigma_limits($values)21	{22		$tsl = pts_math::three_sigma_limits($values);23		$outside_limits = array();24		foreach($values as $num)25		{26			if($num < $tsl[0] || $num > $tsl[1])27			{28				$outside_limits[] = $num;29			}30		}31		return empty($outside_limits) ? false : $outside_limits;32	}33	public static function three_sigma_limits($values, $p = 2)34	{35		$avg = pts_math::arithmetic_mean($values);36		$variance = pts_math::variance($values, $avg);37		$std_dev = sqrt($variance);38		$std_dev_3x = $std_dev * 3;39		return array(round($avg - $std_dev_3x, $p), round($avg + $std_dev_3x, $p));40	}41	public static function variance($values, $avg)42	{43		return array_sum(array_map(function($v) use ($avg) { return pow($v - $avg, 2); }, $values)) / count($values);44	}45	public static function arithmetic_mean($values)46	{47		return array_sum($values) / count($values);48	}49	public static function geometric_mean($values)50	{51		// simple code hits INF issue on large arrays52		//return pow(array_product($values), (1 / count($values)));53		$power = 1 / count($values);54		$chunk_r = array();55		foreach(array_chunk($values, 8) as $chunk)56		{57			$chunk_r[] = pow(array_product($chunk), $power);58		}59		return array_product($chunk_r);60	}61	public static function harmonic_mean($values)62	{63		// useful for rates / all same result types64		$sum = 0;65		foreach($values as $v)66		{67			$sum += 1 / $v;68		}69		return (1 / $sum) * count($values);70	}71	public static function standard_error($values)72	{73		self::clean_numeric_array($values);74		return empty($values) ? 0 : (self::standard_deviation($values) / sqrt(count($values)));75	}76	public static function remove_outliers($values, $mag = 2)77	{78		$ret = array();79		$mean = pts_math::arithmetic_mean($values);80		$std_dev = self::standard_deviation($values);81		$outlier = $mag * $std_dev;82		foreach($values as $i)83		{84			if(is_numeric($i) && abs($i - $mean) < $outlier)85			{86				$ret[] = $i;87			}88		}89		return $ret;90	}91	public static function standard_deviation($values)92	{93		self::clean_numeric_array($values);94		$count = count($values);95		if($count < 2)96		{97			return 0;98		}99		$total = array_sum($values);100		$mean = $total / $count;101		$standard_sum = 0;102		foreach($values as $value)103		{104			$standard_sum += pow(($value - $mean), 2);105		}106		return sqrt($standard_sum / ($count - 1));107	}108	public static function percent_standard_deviation($values)109	{110		if(count($values) == 0)111		{112			// No values113			return 0;114		}115		$standard_deviation = pts_math::standard_deviation($values);116		$average_value = pts_math::arithmetic_mean($values);117		return $average_value != 0 ? ($standard_deviation / $average_value * 100) : 0;118	}119	public static function get_precision($number)120	{121		// number of decimal digits122		if(is_array($number))123		{124			$max_precision = 0;125			foreach($number as $n)126			{127				$max_precision = max($max_precision, pts_math::get_precision($n));128			}129			return $max_precision;130		}131		else132		{133			return strlen(substr(strrchr($number, '.'), 1));134		}135	}136	public static function set_precision($number, $precision = 2)137	{138		// This is better than using round() with precision because of the $precision is > than the current value, 0s will not be appended139		return number_format($number, $precision, '.', '');140	}141	public static function find_percentile($values, $quartile)...

pts_math

Using AI Code Generation

1$pts_math = new pts_math();2$pts_math->add_to_log(1);3$pts_math->add_to_log(2);4$pts_math->add_to_log(3);5$pts_math->add_to_log(4);6$pts_math->add_to_log(5);7$pts_math->add_to_log(6);8$pts_math->add_to_log(7);9$pts_math->add_to_log(8);10$pts_math->add_to_log(9);11$pts_math->add_to_log(10);12echo $pts_math->get_log_mean() . "13";14echo $pts_math->get_log_median() . "15";16echo $pts_math->get_log_standard_deviation() . "17";

pts_math

Using AI Code Generation

1require_once('pts_math.php');2echo pts_math::set_precision(2);3echo pts_math::set_precision(4);4echo pts_math::set_precision(6);5echo pts_math::set_precision(8);6echo pts_math::set_precision(10);7echo pts_math::set_precision(12);8echo pts_math::set_precision(14);9echo pts_math::set_precision(16);10echo pts_math::set_precision(18);11echo pts_math::set_precision(20);12echo pts_math::set_precision(22);13echo pts_math::set_precision(24);14echo pts_math::set_precision(26);15echo pts_math::set_precision(28);16echo pts_math::set_precision(30);17echo pts_math::set_precision(32);18echo pts_math::set_precision(34);19echo pts_math::set_precision(36);20echo pts_math::set_precision(38);21echo pts_math::set_precision(40);22echo pts_math::set_precision(42);23echo pts_math::set_precision(44);24echo pts_math::set_precision(46);25echo pts_math::set_precision(48);26echo pts_math::set_precision(50);27echo pts_math::set_precision(52);28echo pts_math::set_precision(54);29echo pts_math::set_precision(56);30echo pts_math::set_precision(58);31echo pts_math::set_precision(60);32echo pts_math::set_precision(62);33echo pts_math::set_precision(64);34echo pts_math::set_precision(66);35echo pts_math::set_precision(68);36echo pts_math::set_precision(70);37echo pts_math::set_precision(72);38echo pts_math::set_precision(74);39echo pts_math::set_precision(76);40echo pts_math::set_precision(78);41echo pts_math::set_precision(80);42echo pts_math::set_precision(82);43echo pts_math::set_precision(84);44echo pts_math::set_precision(86);45echo pts_math::set_precision(88);46echo pts_math::set_precision(90);47echo pts_math::set_precision(92);48echo pts_math::set_precision(94);49echo pts_math::set_precision(96);50echo pts_math::set_precision(98);51echo pts_math::set_precision(100);52echo pts_math::set_precision(102);53echo pts_math::set_precision(104);54echo pts_math::set_precision(106);55echo pts_math::set_precision(108);

pts_math

Using AI Code Generation

1require_once('pts_math.php');2require_once('pts_math.php');3require_once('pts_math.php');4require_once('pts_math.php');5require_once('pts_math.php');6require_once('pts_math.php');7require_once('pts_math.php');8require_once('pts_math.php');9require_once('pts_math.php');10require_once('pts_math.php');11require_once('pts_math.php');12require_once('pts_math.php');13require_once('pts_math.php');14require_once('pts_math.php');

pts_math

Using AI Code Generation

1require_once('pts_math.php');2$math = new pts_math();3$math->set_precision(10);4echo $math->add(1,2);5echo $math->subtract(2,1);6echo $math->multiply(2,2);7echo $math->divide(4,2);8echo $math->mod(4,2);9echo $math->power(2,2);10echo $math->sqrt(4);11echo $math->log(4);12echo $math->log10(4);13echo $math->ln(4);14echo $math->abs(4);15echo $math->cos(4);16echo $math->sin(4);17echo $math->tan(4);18echo $math->cot(4);19echo $math->sec(4);20echo $math->csc(4);21echo $math->acos(4);22echo $math->asin(4);23echo $math->atan(4);24echo $math->acot(4);25echo $math->asec(4);26echo $math->acsc(4);27echo $math->cosh(4);28echo $math->sinh(4);29echo $math->tanh(4);30echo $math->coth(4);31echo $math->sech(4);32echo $math->csch(4);33echo $math->acosh(4);34echo $math->asinh(4);35echo $math->atanh(4);36echo $math->acoth(4);37echo $math->asech(4);38echo $math->acsch(

pts_math

Using AI Code Generation

1$array = array(1,2,3,4,5);2$mean = pts_math::arithmetic_mean($array);3echo $mean;4$array = array(1,2,3,4,5);5$median = pts_math::median($array);6echo $median;7$array = array(1,2,3,4,5);8$standard_deviation = pts_math::standard_deviation($array);9echo $standard_deviation;10$array = array(1,2,3,4,5);11$variance = pts_math::variance($array);12echo $variance;13$array = array(1,2,3,4,5);14$geometric_mean = pts_math::geometric_mean($array);15echo $geometric_mean;16$array = array(1,2,3,4,5);17$harmonic_mean = pts_math::harmonic_mean($array);18echo $harmonic_mean;19$array = array(1,2,3,4,5);20$mode = pts_math::mode($array);21echo $mode;

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