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Giac_maj/giac-1.4.9/examples/recur/triangle.cxx 1.12 KB
6663b6c9   adorian   projet complet av...
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  triangles(A,B,C):={
  DispG();
  triangle(A,B,C);
  if (longueur2(A,B)>0.01) {
     triangles(A+(B-A)/2,B+(C-B)/2,C+(A-C)/2);
  }
  };
  trianglesp(A,B,C):={
  DispG();
  if (longueur2(A,B)>0.01) {
    trianglesp(A+(B-A)/2,B+(C-B)/2,C+(A-C)/2);
  }
  triangle(A,B,C);
  };
  trianglep(A,B,C,a):={
  DispG();
  triangle(A,B,C);
  if (longueur2(A,B)>0.01) {
  trianglep(A+(B-A)*a,B+(C-B)*a,C+(A-C)*a,a);
  }
  };
  triangle3(A,B,C):={
  DispG();
  triangle(A,B,C);
   if (longueur2(A,B)<0.01) return 0;
   triangle3(A,A+(B-A)/2,C+(A-C)/2);
   triangle3(A+(B-A)/2,B,B+(C-B)/2);
   triangle3(C+(A-C)/2,B+(C-B)/2,C);
  };
  trianglep(A,B,C):={
  DispG();
  if (longueur2(A,B)<0.01) {triangle(A,B,C);return 0;}
  trianglep(A,A+(B-A)/2,C+(A-C)/2);
  trianglep(A+(B-A)/2,B,B+(C-B)/2);
  trianglep(C+(A-C)/2,B+(C-B)/2,C);
  };
  triangle3p(A,B,C,a):={
  DispG();
  if (longueur2(A,B)<0.02) {triangle(A,B,C);return 0;}
  triangle3p(A,A+(B-A)*a,C+(A-C)*a,a);
  triangle3p(A+(B-A)*a,B,B+(C-B)*a,a);
  triangle3p(C+(A-C)*a,B+(C-B)*a,C,a);
  };
  triangle3an(A,B,C,a,n):={
  DispG();
  if (n==0) {triangle(A,B,C);return 0;}
  triangle3an(A,A+(B-A)*a,C+(A-C)*a,a,n-1);
  triangle3an(A+(B-A)*a,B,B+(C-B)*a,a,n-1);
  triangle3an(C+(A-C)*a,B+(C-B)*a,C,a,n-1);
  };