JAMA
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Packages:
PHPExcel
com-tecnick-tcpdf
JAMA
Math_Stats
PHPExcel_CachedObjectStorage
PHPExcel_Calculation
PHPExcel_Cell
PHPExcel_Reader
PHPExcel_Reader_Excel5
PHPExcel_Reader_Excel2007
PHPExcel_RichText
PHPExcel_Settings
PHPExcel_Shared
PHPExcel_Shared_Best_Fit
PHPExcel_Shared_Escher
PHPExcel_Shared_OLE
PHPExcel_Shared_ZipArchive
PHPExcel_Style
PHPExcel_Worksheet
PHPExcel_Worksheet_Drawing
PHPExcel_Writer
PHPExcel_Writer_Excel5
PHPExcel_Writer_Excel2007

Source for file Maths.php

Documentation is available at Maths.php

  1. <?php
  2. /**
  3.  *    @package JAMA
  4.  *
  5.  *     Pythagorean Theorem:
  6.  *
  7.  *     a = 3
  8.  *     b = 4
  9.  *     r = sqrt(square(a) + square(b))
  10.  *     r = 5
  11.  *
  12.  *     r = sqrt(a^2 + b^2) without under/overflow.
  13.  */
  14. function hypo($a, $b) {
  15.     if (abs($a) > abs($b)) {
  16.         $r = $b / $a;
  17.         $r = abs($a) * sqrt(1 + $r * $r);
  18.     } elseif ($b != 0) {
  19.         $r = $a / $b;
  20.         $r = abs($b) * sqrt(1 + $r * $r);
  21.     } else {
  22.         $r = 0.0;
  23.     }
  24.     return $r;
  25. }    //    function hypo()
  26.  
  27.  
  28. /**
  29.  *    Mike Bommarito's version.
  30.  *    Compute n-dimensional hyotheneuse.
  31.  *
  32. function hypot() {
  33.     $s = 0;
  34.     foreach (func_get_args() as $d) {
  35.         if (is_numeric($d)) {
  36.             $s += pow($d, 2);
  37.         } else {
  38.             throw new Exception(JAMAError(ArgumentTypeException));
  39.         }
  40.     }
  41.     return sqrt($s);
  42. }
  43. */
Documentation generated on Sun, 27 Feb 2011 16:32:36 -0800 by phpDocumentor 1.4.3