PHP Math_Polynomial::getTerm Examples

Example #1

File: PolynomialOp.php Project: bjlbernal/special_math

 /**
  * Tell whether or not a Polynomial is constant (degree 0)
  * 
  * @access public
  * 
  * @param object $p
  * @return bool
  */
 function isConstant($p)
 {
     if (!is_a($p, 'Math_Polynomial')) {
         $p = new Math_Polynomial($p);
     }
     if ($p->numTerms() == 1) {
         $term = $p->getTerm(0);
         if ($term->getExponent() == 0) {
             return true;
         }
     } else {
         if ($p->numTerms() == 0) {
             return true;
         }
     }
     return false;
 }