Debugging multi-satelite search

PolynomialApproximation.php

@@ -7,7 +7,7 @@ class PolynomialApproximation
     public $debugLevel = 1;
     public $debugFile = null;
     
-    public function polynomialApproximation1d($data, $N){
+    public function polynomialApproximation1d($data, $N, $noreduce=true){
         //$my_array = array_fill(0, $size_of_the_array, $some_data);
         if ($this->debugFile === null){
             $this->debugLevel = 0;
@@ -70,8 +70,14 @@ class PolynomialApproximation
                 return $result;
                 
             } catch (Exception $e) {
-                echo 'Caught exception: ',  $e->getMessage(), ", reducing polynomial order\n";
-                if ($N1 < 0 ) {
+                //// fprintf($dbg_file, print_r(debug_backtrace(),1));
+                fprintf($this->debugFile,
+                    "polynomialApproximation1d() Caught exception: ".$e->getMessage(), ", reducing polynomial order\n");
+                fprintf($this->debugFile, print_r(debug_backtrace(),1)."\n");
+                fprintf($this->debugFile, "data=".print_r(debug_backtrace(),1)."\nMatrix M:\n");
+                $M->print($this->debugFile);
+                //                echo 'Caught exception: ',  $e->getMessage(), ", reducing polynomial order\n";
+                if (($N1 < 0) || $noreduce) {
                     return null;
                 }
                 $N1--;