Changeset 1968 in Sophya

Timestamp:

Apr 26, 2002, 7:12:37 PM (23 years ago)

Author:

ansari

Message:

arr1.icc modifie par erreur - revenu en arriere - Reza 26/4/2002

File:

• trunk/SophyaProg/Examples/arr1.icc (modified) (1 diff)

trunk/SophyaProg/Examples/arr1.icc

@@ -1 @@
-  // We create a integer array SizeX=7, SizeY=5
-  TArray<int_4> ia(7,5);
-  // We fill it with a sequence of numbers starting at 10., with step = 2.
-  ia = RegularSequence(10., 2.);
-  cout << " ----- Array IA = \n " << ia << endl;
-  TArray<int_4> ib = ia(Range(0,3), Range(3,4), Range(0));
-  cout << " ----- Array IB IA(Range(0,3), Range(3,2)) = \n" << ib << endl;
-  // sub array extraction, Range(2,4) : starting position=2 , End=4
-  TArray<int_4> ic = ia(Range(2,3),Range(1,3),Range(0));
-  cout << " ----- Array IC IA(Range(2,3),Range(1,3)) = \n " << ic << endl;
-  // we set the sub-array to zero, this should reflect in the original array
-  // sub-arrays share their data with parent array
-  ic = 0;
-  cout << " ----- Array IC Apres (=0) = \n " << ic << endl;
-  cout << " ----- Array IB Apres IC=0 = \n " << ib << endl;
-  cout << " ----- Array IA Apres IC=0 = \n " << ia << endl;
-  cout << " >>>>>> Writing in  arrt.ppf <<<<<<< " << endl;
-  POutPersist pos("arrt.ppf");
-  // We write  the three arrays in the stream
-  pos << ia << ib << ic;
+// Fichier arr1.icc
+// Exemple d'utilisation de tableaux  
+// Appel: runcxx -f arr1.icc
+// Creation , remplissage d'une matrice
+  TMatrix<r_4> ma(7,9);
+  ma = RegularSequence(0.1, 0.05);   
+  cout << "\n arr1.icc: ma = " << ma << endl;
+  float min, max;
+// Utilisation des sous-tableaux
+  ma(Range(2,4), Range(4,7)) = M_PI;
+  cout << "\n Apres ma(Range(2,4), Range(4,7)) = " << ma << endl;
+// Appel de methodes
+  ma.MinMax(min, max);
+  cout << " MinMax(ma) : min= " << min << " max= " << max << endl;
+  TMatrix<r_4> sma = Sin(ma);
+  cout << "\n test pour runcxx - sma = Sin(ma)= " << sma << endl;
+  sma.MinMax(min, max);
+  cout << " MinMax(sma) : min= " << min << " max= " << max << endl;
 
+// Vector , matrix multiplication
+  Vector v1(5);
+  v1 = 12.;
+  Vector v2(5);
+  v2 = 14;
+  Matrix m = v2*v1.Transpose();
+  cout << " m= v2*v1.Transpose() : " << m;
+// Computing the scalar product   
+  cout << " v1.v2 = " << (v1.Transpose()*v2).toScalar() << endl;