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<?php /** PHPExcel root directory */ if (!defined('PHPEXCEL_ROOT')) { /** * @ignore */ define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../'); require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php'); } /** * PHPExcel_Calculation_MathTrig * * Copyright (c) 2006 - 2015 PHPExcel * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * @category PHPExcel * @package PHPExcel_Calculation * @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel) * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL * @version ##VERSION##, ##DATE## */ class PHPExcel_Calculation_MathTrig { // // Private method to return an array of the factors of the input value // private static function factors($value) { $startVal = floor(sqrt($value)); $factorArray = array(); for ($i = $startVal; $i > 1; --$i) { if (($value % $i) == 0) { $factorArray = array_merge($factorArray, self::factors($value / $i)); $factorArray = array_merge($factorArray, self::factors($i)); if ($i <= sqrt($value)) { break; } } } if (!empty($factorArray)) { rsort($factorArray); return $factorArray; } else { return array((integer) $value); } } private static function romanCut($num, $n) { return ($num - ($num % $n ) ) / $n; } /** * ATAN2 * * This function calculates the arc tangent of the two variables x and y. It is similar to * calculating the arc tangent of y รท x, except that the signs of both arguments are used * to determine the quadrant of the result. * The arctangent is the angle from the x-axis to a line containing the origin (0, 0) and a * point with coordinates (xCoordinate, yCoordinate). The angle is given in radians between * -pi and pi, excluding -pi. * * Note that the Excel ATAN2() function accepts its arguments in the reverse order to the standard * PHP atan2() function, so we need to reverse them here before calling the PHP atan() function. * * Excel Function: * ATAN2(xCoordinate,yCoordinate) * * @access public * @category Mathematical and Trigonometric Functions * @param float $xCoordinate The x-coordinate of the point. * @param float $yCoordinate The y-coordinate of the point. * @return float The inverse tangent of the specified x- and y-coordinates. */ public static function ATAN2($xCoordinate = null, $yCoordinate = null) { $xCoordinate = PHPExcel_Calculation_Functions::flattenSingleValue($xCoordinate); $yCoordinate = PHPExcel_Calculation_Functions::flattenSingleValue($yCoordinate); $xCoordinate = ($xCoordinate !== null) ? $xCoordinate : 0.0; $yCoordinate = ($yCoordinate !== null) ? $yCoordinate : 0.0; if (((is_numeric($xCoordinate)) || (is_bool($xCoordinate))) && ((is_numeric($yCoordinate))) || (is_bool($yCoordinate))) { $xCoordinate = (float) $xCoordinate; $yCoordinate = (float) $yCoordinate; if (($xCoordinate == 0) && ($yCoordinate == 0)) { return PHPExcel_Calculation_Functions::DIV0(); } return atan2($yCoordinate, $xCoordinate); } return PHPExcel_Calculation_Functions::VALUE(); } /** * CEILING * * Returns number rounded up, away from zero, to the nearest multiple of significance. * For example, if you want to avoid using pennies in your prices and your product is * priced at $4.42, use the formula =CEILING(4.42,0.05) to round prices up to the * nearest nickel. * * Excel Function: * CEILING(number[,significance]) * * @access public * @category Mathematical and Trigonometric Functions * @param float $number The number you want to round. * @param float $significance The multiple to which you want to round. * @return float Rounded Number */ public static function CEILING($number, $significance = null) { $number = PHPExcel_Calculation_Functions::flattenSingleValue($number); $significance = PHPExcel_Calculation_Functions::flattenSingleValue($significance); if ((is_null($significance)) && (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_GNUMERIC)) { $significance = $number / abs($number); } if ((is_numeric($number)) && (is_numeric($significance))) { if (($number == 0.0 ) || ($significance == 0.0)) { return 0.0; } elseif (self::SIGN($number) == self::SIGN($significance)) { return ceil($number / $significance) * $significance; } else { return PHPExcel_Calculation_Functions::NaN(); } } return PHPExcel_Calculation_Functions::VALUE(); } /** * COMBIN * * Returns the number of combinations for a given number of items. Use COMBIN to * determine the total possible number of groups for a given number of items. * * Excel Function: * COMBIN(numObjs,numInSet) * * @access public * @category Mathematical and Trigonometric Functions * @param int $numObjs Number of different objects * @param int $numInSet Number of objects in each combination * @return int Number of combinations */ public static function COMBIN($numObjs, $numInSet) { $numObjs = PHPExcel_Calculation_Functions::flattenSingleValue($numObjs); $numInSet = PHPExcel_Calculation_Functions::flattenSingleValue($numInSet); if ((is_numeric($numObjs)) && (is_numeric($numInSet))) { if ($numObjs < $numInSet) { return PHPExcel_Calculation_Functions::NaN(); } elseif ($numInSet < 0) { return PHPExcel_Calculation_Functions::NaN(); } return round(self::FACT($numObjs) / self::FACT($numObjs - $numInSet)) / self::FACT($numInSet); } return PHPExcel_Calculation_Functions::VALUE(); } /** * EVEN * * Returns number rounded up to the nearest even integer. * You can use this function for processing items that come in twos. For example, * a packing crate accepts rows of one or two items. The crate is full when * the number of items, rounded up to the nearest two, matches the crate's * capacity. * * Excel Function: * EVEN(number) * * @access public * @category Mathematical and Trigonometric Functions * @param float $number Number to round * @return int Rounded Number */ public static function EVEN($number) { $number = PHPExcel_Calculation_Functions::flattenSingleValue($number); if (is_null($number)) { return 0; } elseif (is_bool($number)) { $number = (int) $number; } if (is_numeric($number)) { $significance = 2 * self::SIGN($number); return (int) self::CEILING($number, $significance); } return PHPExcel_Calculation_Functions::VALUE(); } /** * FACT * * Returns the factorial of a number. * The factorial of a number is equal to 1*2*3*...* number. * * Excel Function: * FACT(factVal) * * @access public * @category Mathematical and Trigonometric Functions * @param float $factVal Factorial Value * @return int Factorial */ public static function FACT($factVal) { $factVal = PHPExcel_Calculation_Functions::flattenSingleValue($factVal); if (is_numeric($factVal)) { if ($factVal < 0) { return PHPExcel_Calculation_Functions::NaN(); } $factLoop = floor($factVal); if (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_GNUMERIC) { if ($factVal > $factLoop) { return PHPExcel_Calculation_Functions::NaN(); } } $factorial = 1; while ($factLoop > 1) { $factorial *= $factLoop--; } return $factorial ; } return PHPExcel_Calculation_Functions::VALUE(); } /** * FACTDOUBLE * * Returns the double factorial of a number. * * Excel Function: * FACTDOUBLE(factVal) * * @access public * @category Mathematical and Trigonometric Functions * @param float $factVal Factorial Value * @return int Double Factorial */ public static function FACTDOUBLE($factVal) { $factLoop = PHPExcel_Calculation_Functions::flattenSingleValue($factVal); if (is_numeric($factLoop)) { $factLoop = floor($factLoop); if ($factVal < 0) { return PHPExcel_Calculation_Functions::NaN(); } $factorial = 1; while ($factLoop > 1) { $factorial *= $factLoop--; --$factLoop; } return $factorial ; } return PHPExcel_Calculation_Functions::VALUE(); } /** * FLOOR * * Rounds number down, toward zero, to the nearest multiple of significance. * * Excel Function: * FLOOR(number[,significance]) * * @access public * @category Mathematical and Trigonometric Functions * @param float $number Number to round * @param float $significance Significance * @return float Rounded Number */ public static function FLOOR($number, $significance = null) { $number = PHPExcel_Calculation_Functions::flattenSingleValue($number); $significance = PHPExcel_Calculation_Functions::flattenSingleValue($significance); if ((is_null($significance)) && (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_GNUMERIC)) { $significance = $number/abs($number); } if ((is_numeric($number)) && (is_numeric($significance))) { if ($significance == 0.0) { return PHPExcel_Calculation_Functions::DIV0(); } elseif ($number == 0.0) { return 0.0; } elseif (self::SIGN($number) == self::SIGN($significance)) { return floor($number / $significance) * $significance; } else { return PHPExcel_Calculation_Functions::NaN(); } } return PHPExcel_Calculation_Functions::VALUE(); } /** * GCD * * Returns the greatest common divisor of a series of numbers. * The greatest common divisor is the largest integer that divides both * number1 and number2 without a remainder. * * Excel Function: * GCD(number1[,number2[, ...]]) * * @access public * @category Mathematical and Trigonometric Functions * @param mixed $arg,... Data values * @return integer Greatest Common Divisor */ public static function GCD() { $returnValue = 1; $allValuesFactors = array(); // Loop through arguments foreach (PHPExcel_Calculation_Functions::flattenArray(func_get_args()) as $value) { if (!is_numeric($value)) { return PHPExcel_Calculation_Functions::VALUE(); } elseif ($value == 0) { continue; } elseif ($value < 0) { return PHPExcel_Calculation_Functions::NaN(); } $myFactors = self::factors($value); $myCountedFactors = array_count_values($myFactors); $allValuesFactors[] = $myCountedFactors; } $allValuesCount = count($allValuesFactors); if ($allValuesCount == 0) { return 0; } $mergedArray = $allValuesFactors[0]; for ($i=1; $i < $allValuesCount; ++$i) { $mergedArray = array_intersect_key($mergedArray, $allValuesFactors[$i]); } $mergedArrayValues = count($mergedArray); if ($mergedArrayValues == 0) { return $returnValue; } elseif ($mergedArrayValues > 1) { foreach ($mergedArray as $mergedKey => $mergedValue) { foreach ($allValuesFactors as $highestPowerTest) { foreach ($highestPowerTest as $testKey => $testValue) { if (($testKey == $mergedKey) && ($testValue < $mergedValue)) { $mergedArray[$mergedKey] = $testValue; $mergedValue = $testValue; } } } } $returnValue = 1; foreach ($mergedArray as $key => $value) { $returnValue *= pow($key, $value); } return $returnValue; } else { $keys = array_keys($mergedArray); $key = $keys[0]; $value = $mergedArray[$key]; foreach ($allValuesFactors as $testValue) { foreach ($testValue as $mergedKey => $mergedValue) { if (($mergedKey == $key) && ($mergedValue < $value)) { $value = $mergedValue; } } } return pow($key, $value); } } /** * INT * * Casts a floating point value to an integer * * Excel Function: * INT(number) * * @access public * @category Mathematical and Trigonometric Functions * @param float $number Number to cast to an integer * @return integer Integer value */ public static function INT($number) { $number = PHPExcel_Calculation_Functions::flattenSingleValue($number); if (is_null($number)) { return 0; } elseif (is_bool($number)) { return (int) $number; } if (is_numeric($number)) { return (int) floor($number); } return PHPExcel_Calculation_Functions::VALUE(); } /** * LCM * * Returns the lowest common multiplier of a series of numbers * The least common multiple is the smallest positive integer that is a multiple * of all integer arguments number1, number2, and so on. Use LCM to add fractions * with different denominators. * * Excel Function: * LCM(number1[,number2[, ...]]) * * @access public * @category Mathematical and Trigonometric Functions * @param mixed $arg,... Data values * @return int Lowest Common Multiplier */ public static function LCM() { $returnValue = 1; $allPoweredFactors = array(); // Loop through arguments foreach (PHPExcel_Calculation_Functions::flattenArray(func_get_args()) as $value) { if (!is_numeric($value)) { return PHPExcel_Calculation_Functions::VALUE(); } if ($value == 0) { return 0; } elseif ($value < 0) { return PHPExcel_Calculation_Functions::NaN(); } $myFactors = self::factors(floor($value)); $myCountedFactors = array_count_values($myFactors); $myPoweredFactors = array(); foreach ($myCountedFactors as $myCountedFactor => $myCountedPower) { $myPoweredFactors[$myCountedFactor] = pow($myCountedFactor, $myCountedPower); } foreach ($myPoweredFactors as $myPoweredValue => $myPoweredFactor) { if (array_key_exists($myPoweredValue, $allPoweredFactors)) { if ($allPoweredFactors[$myPoweredValue] < $myPoweredFactor) { $allPoweredFactors[$myPoweredValue] = $myPoweredFactor; } } else { $allPoweredFactors[$myPoweredValue] = $myPoweredFactor; } } } foreach ($allPoweredFactors as $allPoweredFactor) { $returnValue *= (integer) $allPoweredFactor; } return $returnValue; } /** * LOG_BASE * * Returns the logarithm of a number to a specified base. The default base is 10. * * Excel Function: * LOG(number[,base]) * * @access public * @category Mathematical and Trigonometric Functions * @param float $number The positive real number for which you want the logarithm * @param float $base The base of the logarithm. If base is omitted, it is assumed to be 10. * @return float */ public static function LOG_BASE($number = null, $base = 10) { $number = PHPExcel_Calculation_Functions::flattenSingleValue($number); $base = (is_null($base)) ? 10 : (float) PHPExcel_Calculation_Functions::flattenSingleValue($base); if ((!is_numeric($base)) || (!is_numeric($number))) { return PHPExcel_Calculation_Functions::VALUE(); } if (($base <= 0) || ($number <= 0)) { return PHPExcel_Calculation_Functions::NaN(); } return log($number, $base); } /** * MDETERM * * Returns the matrix determinant of an array. * * Excel Function: * MDETERM(array) * * @access public * @category Mathematical and Trigonometric Functions * @param array $matrixValues A matrix of values * @return float */ public static function MDETERM($matrixValues) { $matrixData = array(); if (!is_array($matrixValues)) { $matrixValues = array(array($matrixValues)); } $row = $maxColumn = 0; foreach ($matrixValues as $matrixRow) { if (!is_array($matrixRow)) { $matrixRow = array($matrixRow); } $column = 0; foreach ($matrixRow as $matrixCell) { if ((is_string($matrixCell)) || ($matrixCell === null)) { return PHPExcel_Calculation_Functions::VALUE(); } $matrixData[$column][$row] = $matrixCell; ++$column; } if ($column > $maxColumn) { $maxColumn = $column; } ++$row; } if ($row != $maxColumn) { return PHPExcel_Calculation_Functions::VALUE(); } try { $matrix = new PHPExcel_Shared_JAMA_Matrix($matrixData); return $matrix->det(); } catch (PHPExcel_Exception $ex) { return PHPExcel_Calculation_Functions::VALUE(); } } /** * MINVERSE * * Returns the inverse matrix for the matrix stored in an array. * * Excel Function: * MINVERSE(array) * * @access public * @category Mathematical and Trigonometric Functions * @param array $matrixValues A matrix of values * @return array */ public static function MINVERSE($matrixValues) { $matrixData = array(); if (!is_array($matrixValues)) { $matrixValues = array(array($matrixValues)); } $row = $maxColumn = 0; foreach ($matrixValues as $matrixRow) { if (!is_array($matrixRow)) { $matrixRow = array($matrixRow); } $column = 0; foreach ($matrixRow as $matrixCell) { if ((is_string($matrixCell)) || ($matrixCell === null)) { return PHPExcel_Calculation_Functions::VALUE(); } $matrixData[$column][$row] = $matrixCell; ++$column; } if ($column > $maxColumn) { $maxColumn = $column; } ++$row; } if ($row != $maxColumn) { return PHPExcel_Calculation_Functions::VALUE(); } try { $matrix = new PHPExcel_Shared_JAMA_Matrix($matrixData); return $matrix->inverse()->getArray(); } catch (PHPExcel_Exception $ex) { return PHPExcel_Calculation_Functions::VALUE(); } } /** * MMULT * * @param array $matrixData1 A matrix of values * @param array $matrixData2 A matrix of values * @return array */ public static function MMULT($matrixData1, $matrixData2) { $matrixAData = $matrixBData = array(); if (!is_array($matrixData1)) { $matrixData1 = array(array($matrixData1)); } if (!is_array($matrixData2)) { $matrixData2 = array(array($matrixData2)); } try { $rowA = 0; foreach ($matrixData1 as $matrixRow) { if (!is_array($matrixRow)) { $matrixRow = array($matrixRow); } $columnA = 0; foreach ($matrixRow as $matrixCell) { if ((!is_numeric($matrixCell)) || ($matrixCell === null)) { return PHPExcel_Calculation_Functions::VALUE(); } $matrixAData[$rowA][$columnA] = $matrixCell; ++$columnA; } ++$rowA; } $matrixA = new PHPExcel_Shared_JAMA_Matrix($matrixAData); $rowB = 0; foreach ($matrixData2 as $matrixRow) { if (!is_array($matrixRow)) { $matrixRow = array($matrixRow); } $columnB = 0; foreach ($matrixRow as $matrixCell) { if ((!is_numeric($matrixCell)) || ($matrixCell === null)) { return PHPExcel_Calculation_Functions::VALUE(); } $matrixBData[$rowB][$columnB] = $matrixCell; ++$columnB; } ++$rowB; } $matrixB = new PHPExcel_Shared_JAMA_Matrix($matrixBData); if ($columnA != $rowB) { return PHPExcel_Calculation_Functions::VALUE(); } return $matrixA->times($matrixB)->getArray(); } catch (PHPExcel_Exception $ex) { var_dump($ex->getMessage()); return PHPExcel_Calculation_Functions::VALUE(); } } /** * MOD * * @param int $a Dividend * @param int $b Divisor * @return int Remainder */ public static function MOD($a = 1, $b = 1) { $a = PHPExcel_Calculation_Functions::flattenSingleValue($a); $b = PHPExcel_Calculation_Functions::flattenSingleValue($b); if ($b == 0.0) { return PHPExcel_Calculation_Functions::DIV0(); } elseif (($a < 0.0) && ($b > 0.0)) { return $b - fmod(abs($a), $b); } elseif (($a > 0.0) && ($b < 0.0)) { return $b + fmod($a, abs($b)); } return fmod($a, $b); } /** * MROUND * * Rounds a number to the nearest multiple of a specified value * * @param float $number Number to round * @param int $multiple Multiple to which you want to round $number * @return float Rounded Number */ public static function MROUND($number, $multiple) { $number = PHPExcel_Calculation_Functions::flattenSingleValue($number); $multiple = PHPExcel_Calculation_Functions::flattenSingleValue($multiple); if ((is_numeric($number)) && (is_numeric($multiple))) { if ($multiple == 0) { return 0; } if ((self::SIGN($number)) == (self::SIGN($multiple))) { $multiplier = 1 / $multiple; return round($number * $multiplier) / $multiplier; } return PHPExcel_Calculation_Functions::NaN(); } return PHPExcel_Calculation_Functions::VALUE(); } /** * MULTINOMIAL * * Returns the ratio of the factorial of a sum of values to the product of factorials. * * @param array of mixed Data Series * @return float */ public static function MULTINOMIAL() { $summer = 0; $divisor = 1; // Loop through arguments foreach (PHPExcel_Calculation_Functions::flattenArray(func_get_args()) as $arg) { // Is it a numeric value? if (is_numeric($arg)) { if ($arg < 1) { return PHPExcel_Calculation_Functions::NaN(); } $summer += floor($arg); $divisor *= self::FACT($arg); } else { return PHPExcel_Calculation_Functions::VALUE(); } } // Return if ($summer > 0) { $summer = self::FACT($summer); return $summer / $divisor; } return 0; } /** * ODD * * Returns number rounded up to the nearest odd integer. * * @param float $number Number to round * @return int Rounded Number */ public static function ODD($number) { $number = PHPExcel_Calculation_Functions::flattenSingleValue($number); if (is_null($number)) { return 1; } elseif (is_bool($number)) { return 1; } elseif (is_numeric($number)) { $significance = self::SIGN($number); if ($significance == 0) { return 1; } $result = self::CEILING($number, $significance); if ($result == self::EVEN($result)) { $result += $significance; } return (int) $result; } return PHPExcel_Calculation_Functions::VALUE(); } /** * POWER * * Computes x raised to the power y. * * @param float $x * @param float $y * @return float */ public static function POWER($x = 0, $y = 2) { $x = PHPExcel_Calculation_Functions::flattenSingleValue($x); $y = PHPExcel_Calculation_Functions::flattenSingleValue($y); // Validate parameters if ($x == 0.0 && $y == 0.0) { return PHPExcel_Calculation_Functions::NaN(); } elseif ($x == 0.0 && $y < 0.0) { return PHPExcel_Calculation_Functions::DIV0(); } // Return $result = pow($x, $y); return (!is_nan($result) && !is_infinite($result)) ? $result : PHPExcel_Calculation_Functions::NaN(); } /** * PRODUCT * * PRODUCT returns the product of all the values and cells referenced in the argument list. * * Excel Function: * PRODUCT(value1[,value2[, ...]]) * * @access public * @category Mathematical and Trigonometric Functions * @param mixed $arg,... Data values * @return float */ public static function PRODUCT() { // Return value $returnValue = null; // Loop through arguments foreach (PHPExcel_Calculation_Functions::flattenArray(func_get_args()) as $arg) { // Is it a numeric value? if ((is_numeric($arg)) && (!is_string($arg))) { if (is_null($returnValue)) { $returnValue = $arg; } else { $returnValue *= $arg; } } } // Return if (is_null($returnValue)) { return 0; } return $returnValue; } /** * QUOTIENT * * QUOTIENT function returns the integer portion of a division. Numerator is the divided number * and denominator is the divisor. * * Excel Function: * QUOTIENT(value1[,value2[, ...]]) * * @access public * @category Mathematical and Trigonometric Functions * @param mixed $arg,... Data values * @return float */ public static function QUOTIENT() { // Return value $returnValue = null; // Loop through arguments foreach (PHPExcel_Calculation_Functions::flattenArray(func_get_args()) as $arg) { // Is it a numeric value? if ((is_numeric($arg)) && (!is_string($arg))) { if (is_null($returnValue)) { $returnValue = ($arg == 0) ? 0 : $arg; } else { if (($returnValue == 0) || ($arg == 0)) { $returnValue = 0; } else { $returnValue /= $arg; } } } } // Return return intval($returnValue); } /** * RAND * * @param int $min Minimal value * @param int $max Maximal value * @return int Random number */ public static function RAND($min = 0, $max = 0) { $min = PHPExcel_Calculation_Functions::flattenSingleValue($min); $max = PHPExcel_Calculation_Functions::flattenSingleValue($max); if ($min == 0 && $max == 0) { return (mt_rand(0, 10000000)) / 10000000; } else { return mt_rand($min, $max); } } public static function ROMAN($aValue, $style = 0) { $aValue = PHPExcel_Calculation_Functions::flattenSingleValue($aValue); $style = (is_null($style)) ? 0 : (integer) PHPExcel_Calculation_Functions::flattenSingleValue($style); if ((!is_numeric($aValue)) || ($aValue < 0) || ($aValue >= 4000)) { return PHPExcel_Calculation_Functions::VALUE(); } $aValue = (integer) $aValue; if ($aValue == 0) { return ''; } $mill = array('', 'M', 'MM', 'MMM', 'MMMM', 'MMMMM'); $cent = array('', 'C', 'CC', 'CCC', 'CD', 'D', 'DC', 'DCC', 'DCCC', 'CM'); $tens = array('', 'X', 'XX', 'XXX', 'XL', 'L', 'LX', 'LXX', 'LXXX', 'XC'); $ones = array('', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX'); $roman = ''; while ($aValue > 5999) { $roman .= 'M'; $aValue -= 1000; } $m = self::romanCut($aValue, 1000); $aValue %= 1000; $c = self::romanCut($aValue, 100); $aValue %= 100; $t = self::romanCut($aValue, 10); $aValue %= 10; return $roman.$mill[$m].$cent[$c].$tens[$t].$ones[$aValue]; } /** * ROUNDUP * * Rounds a number up to a specified number of decimal places * * @param float $number Number to round * @param int $digits Number of digits to which you want to round $number * @return float Rounded Number */ public static function ROUNDUP($number, $digits) { $number = PHPExcel_Calculation_Functions::flattenSingleValue($number); $digits = PHPExcel_Calculation_Functions::flattenSingleValue($digits); if ((is_numeric($number)) && (is_numeric($digits))) { $significance = pow(10, (int) $digits); if ($number < 0.0) { return floor($number * $significance) / $significance; } else { return ceil($number * $significance) / $significance; } } return PHPExcel_Calculation_Functions::VALUE(); } /** * ROUNDDOWN * * Rounds a number down to a specified number of decimal places * * @param float $number Number to round * @param int $digits Number of digits to which you want to round $number * @return float Rounded Number */ public static function ROUNDDOWN($number, $digits) { $number = PHPExcel_Calculation_Functions::flattenSingleValue($number); $digits = PHPExcel_Calculation_Functions::flattenSingleValue($digits); if ((is_numeric($number)) && (is_numeric($digits))) { $significance = pow(10, (int) $digits); if ($number < 0.0) { return ceil($number * $significance) / $significance; } else { return floor($number * $significance) / $significance; } } return PHPExcel_Calculation_Functions::VALUE(); } /** * SERIESSUM * * Returns the sum of a power series * * @param float $x Input value to the power series * @param float $n Initial power to which you want to raise $x * @param float $m Step by which to increase $n for each term in the series * @param array of mixed Data Series * @return float */ public static function SERIESSUM() { $returnValue = 0; // Loop through arguments $aArgs = PHPExcel_Calculation_Functions::flattenArray(func_get_args()); $x = array_shift($aArgs); $n = array_shift($aArgs); $m = array_shift($aArgs); if ((is_numeric($x)) && (is_numeric($n)) && (is_numeric($m))) { // Calculate $i = 0; foreach ($aArgs as $arg) { // Is it a numeric value? if ((is_numeric($arg)) && (!is_string($arg))) { $returnValue += $arg * pow($x, $n + ($m * $i++)); } else { return PHPExcel_Calculation_Functions::VALUE(); } } return $returnValue; } return PHPExcel_Calculation_Functions::VALUE(); } /** * SIGN * * Determines the sign of a number. Returns 1 if the number is positive, zero (0) * if the number is 0, and -1 if the number is negative. * * @param float $number Number to round * @return int sign value */ public static function SIGN($number) { $number = PHPExcel_Calculation_Functions::flattenSingleValue($number); if (is_bool($number)) { return (int) $number; } if (is_numeric($number)) { if ($number == 0.0) { return 0; } return $number / abs($number); } return PHPExcel_Calculation_Functions::VALUE(); } /** * SQRTPI * * Returns the square root of (number * pi). * * @param float $number Number * @return float Square Root of Number * Pi */ public static function SQRTPI($number) { $number = PHPExcel_Calculation_Functions::flattenSingleValue($number); if (is_numeric($number)) { if ($number < 0) { return PHPExcel_Calculation_Functions::NaN(); } return sqrt($number * M_PI) ; } return PHPExcel_Calculation_Functions::VALUE(); } /** * SUBTOTAL * * Returns a subtotal in a list or database. * * @param int the number 1 to 11 that specifies which function to * use in calculating subtotals within a list. * @param array of mixed Data Series * @return float */ public static function SUBTOTAL() { $aArgs = PHPExcel_Calculation_Functions::flattenArray(func_get_args()); // Calculate $subtotal = array_shift($aArgs); if ((is_numeric($subtotal)) && (!is_string($subtotal))) { switch ($subtotal) { case 1: return PHPExcel_Calculation_Statistical::AVERAGE($aArgs); case 2: return PHPExcel_Calculation_Statistical::COUNT($aArgs); case 3: return PHPExcel_Calculation_Statistical::COUNTA($aArgs); case 4: return PHPExcel_Calculation_Statistical::MAX($aArgs); case 5: return PHPExcel_Calculation_Statistical::MIN($aArgs); case 6: return self::PRODUCT($aArgs); case 7: return PHPExcel_Calculation_Statistical::STDEV($aArgs); case 8: return PHPExcel_Calculation_Statistical::STDEVP($aArgs); case 9: return self::SUM($aArgs); case 10: return PHPExcel_Calculation_Statistical::VARFunc($aArgs); case 11: return PHPExcel_Calculation_Statistical::VARP($aArgs); } } return PHPExcel_Calculation_Functions::VALUE(); } /** * SUM * * SUM computes the sum of all the values and cells referenced in the argument list. * * Excel Function: * SUM(value1[,value2[, ...]]) * * @access public * @category Mathematical and Trigonometric Functions * @param mixed $arg,... Data values * @return float */ public static function SUM() { $returnValue = 0; // Loop through the arguments foreach (PHPExcel_Calculation_Functions::flattenArray(func_get_args()) as $arg) { // Is it a numeric value? if ((is_numeric($arg)) && (!is_string($arg))) { $returnValue += $arg; } } return $returnValue; } /** * SUMIF * * Counts the number of cells that contain numbers within the list of arguments * * Excel Function: * SUMIF(value1[,value2[, ...]],condition) * * @access public * @category Mathematical and Trigonometric Functions * @param mixed $arg,... Data values * @param string $condition The criteria that defines which cells will be summed. * @return float */ public static function SUMIF($aArgs, $condition, $sumArgs = array()) { $returnValue = 0; $aArgs = PHPExcel_Calculation_Functions::flattenArray($aArgs); $sumArgs = PHPExcel_Calculation_Functions::flattenArray($sumArgs); if (empty($sumArgs)) { $sumArgs = $aArgs; } $condition = PHPExcel_Calculation_Functions::ifCondition($condition); // Loop through arguments foreach ($aArgs as $key => $arg) { if (!is_numeric($arg)) { $arg = str_replace('"', '""', $arg); $arg = PHPExcel_Calculation::wrapResult(strtoupper($arg)); } $testCondition = '='.$arg.$condition; if (PHPExcel_Calculation::getInstance()->_calculateFormulaValue($testCondition)) { // Is it a value within our criteria $returnValue += $sumArgs[$key]; } } return $returnValue; } /** * SUMIFS * * Counts the number of cells that contain numbers within the list of arguments * * Excel Function: * SUMIFS(value1[,value2[, ...]],condition) * * @access public * @category Mathematical and Trigonometric Functions * @param mixed $arg,... Data values * @param string $condition The criteria that defines which cells will be summed. * @return float */ public static function SUMIFS() { $arrayList = func_get_args(); $sumArgs = PHPExcel_Calculation_Functions::flattenArray(array_shift($arrayList)); while (count($arrayList) > 0) { $aArgsArray[] = PHPExcel_Calculation_Functions::flattenArray(array_shift($arrayList)); $conditions[] = PHPExcel_Calculation_Functions::ifCondition(array_shift($arrayList)); } // Loop through each set of arguments and conditions foreach ($conditions as $index => $condition) { $aArgs = $aArgsArray[$index]; $wildcard = false; if ((strpos($condition, '*') !== false) || (strpos($condition, '?') !== false)) { // * and ? are wildcard characters. // Use ~* and ~? for literal star and question mark // Code logic doesn't yet handle escaping $condition = trim(ltrim($condition, '=<>'), '"'); $wildcard = true; } // Loop through arguments foreach ($aArgs as $key => $arg) { if ($wildcard) { if (!fnmatch($condition, $arg, FNM_CASEFOLD)) { // Is it a value within our criteria $sumArgs[$key] = 0.0; } } else { if (!is_numeric($arg)) { $arg = PHPExcel_Calculation::wrapResult(strtoupper($arg)); } $testCondition = '='.$arg.$condition; if (!PHPExcel_Calculation::getInstance()->_calculateFormulaValue($testCondition)) { // Is it a value within our criteria $sumArgs[$key] = 0.0; } } } } // Return return array_sum($sumArgs); } /** * SUMPRODUCT * * Excel Function: * SUMPRODUCT(value1[,value2[, ...]]) * * @access public * @category Mathematical and Trigonometric Functions * @param mixed $arg,... Data values * @return float */ public static function SUMPRODUCT() { $arrayList = func_get_args(); $wrkArray = PHPExcel_Calculation_Functions::flattenArray(array_shift($arrayList)); $wrkCellCount = count($wrkArray); for ($i=0; $i< $wrkCellCount; ++$i) { if ((!is_numeric($wrkArray[$i])) || (is_string($wrkArray[$i]))) { $wrkArray[$i] = 0; } } foreach ($arrayList as $matrixData) { $array2 = PHPExcel_Calculation_Functions::flattenArray($matrixData); $count = count($array2); if ($wrkCellCount != $count) { return PHPExcel_Calculation_Functions::VALUE(); } foreach ($array2 as $i => $val) { if ((!is_numeric($val)) || (is_string($val))) { $val = 0; } $wrkArray[$i] *= $val; } } return array_sum($wrkArray); } /** * SUMSQ * * SUMSQ returns the sum of the squares of the arguments * * Excel Function: * SUMSQ(value1[,value2[, ...]]) * * @access public * @category Mathematical and Trigonometric Functions * @param mixed $arg,... Data values * @return float */ public static function SUMSQ() { $returnValue = 0; // Loop through arguments foreach (PHPExcel_Calculation_Functions::flattenArray(func_get_args()) as $arg) { // Is it a numeric value? if ((is_numeric($arg)) && (!is_string($arg))) { $returnValue += ($arg * $arg); } } return $returnValue; } /** * SUMX2MY2 * * @param mixed[] $matrixData1 Matrix #1 * @param mixed[] $matrixData2 Matrix #2 * @return float */ public static function SUMX2MY2($matrixData1, $matrixData2) { $array1 = PHPExcel_Calculation_Functions::flattenArray($matrixData1); $array2 = PHPExcel_Calculation_Functions::flattenArray($matrixData2); $count = min(count($array1), count($array2)); $result = 0; for ($i = 0; $i < $count; ++$i) { if (((is_numeric($array1[$i])) && (!is_string($array1[$i]))) && ((is_numeric($array2[$i])) && (!is_string($array2[$i])))) { $result += ($array1[$i] * $array1[$i]) - ($array2[$i] * $array2[$i]); } } return $result; } /** * SUMX2PY2 * * @param mixed[] $matrixData1 Matrix #1 * @param mixed[] $matrixData2 Matrix #2 * @return float */ public static function SUMX2PY2($matrixData1, $matrixData2) { $array1 = PHPExcel_Calculation_Functions::flattenArray($matrixData1); $array2 = PHPExcel_Calculation_Functions::flattenArray($matrixData2); $count = min(count($array1), count($array2)); $result = 0; for ($i = 0; $i < $count; ++$i) { if (((is_numeric($array1[$i])) && (!is_string($array1[$i]))) && ((is_numeric($array2[$i])) && (!is_string($array2[$i])))) { $result += ($array1[$i] * $array1[$i]) + ($array2[$i] * $array2[$i]); } } return $result; } /** * SUMXMY2 * * @param mixed[] $matrixData1 Matrix #1 * @param mixed[] $matrixData2 Matrix #2 * @return float */ public static function SUMXMY2($matrixData1, $matrixData2) { $array1 = PHPExcel_Calculation_Functions::flattenArray($matrixData1); $array2 = PHPExcel_Calculation_Functions::flattenArray($matrixData2); $count = min(count($array1), count($array2)); $result = 0; for ($i = 0; $i < $count; ++$i) { if (((is_numeric($array1[$i])) && (!is_string($array1[$i]))) && ((is_numeric($array2[$i])) && (!is_string($array2[$i])))) { $result += ($array1[$i] - $array2[$i]) * ($array1[$i] - $array2[$i]); } } return $result; } /** * TRUNC * * Truncates value to the number of fractional digits by number_digits. * * @param float $value * @param int $digits * @return float Truncated value */ public static function TRUNC($value = 0, $digits = 0) { $value = PHPExcel_Calculation_Functions::flattenSingleValue($value); $digits = PHPExcel_Calculation_Functions::flattenSingleValue($digits); // Validate parameters if ((!is_numeric($value)) || (!is_numeric($digits))) { return PHPExcel_Calculation_Functions::VALUE(); } $digits = floor($digits); // Truncate $adjust = pow(10, $digits); if (($digits > 0) && (rtrim(intval((abs($value) - abs(intval($value))) * $adjust), '0') < $adjust/10)) { return $value; } return (intval($value * $adjust)) / $adjust; } }
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