X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=pkg%2Fsrc%2Ffunctions.c;h=feea3ade92def6f860e0a88f12f7ac0c802f8b54;hb=ef0d907c50abe7c4dc0d3c0e94645b5bf6ef3626;hp=f251eb349fe2be411b05273753ea0b7ebc617ab2;hpb=9a6881ed8a16c31a3dbe995e3b1af76c1db6b5a0;p=morpheus.git

diff --git a/pkg/src/functions.c b/pkg/src/functions.c
index f251eb3..feea3ad 100644
--- a/pkg/src/functions.c
+++ b/pkg/src/functions.c
@@ -58,7 +58,59 @@ void Moments_M3(double* X, double* Y, int* pn, int* pd, double* M3)
 
 // W = 1/N sum( t(g(Zi,theta)) g(Zi,theta) )
 // with g(Zi, theta) = i-th contribution to all moments (size dim) - real moments
-void Compute_Omega(double* X, double* Y, double* M, int* pn, int* pd, double* W)
+//void Compute_Omega(double* X, int* Y, double* M, int* pn, int* pd, double* W)
+//{
+//  int n=*pn, d=*pd;
+//  int dim = d + d*d + d*d*d;
+//  //double* W = (double*)malloc(dim*dim*sizeof(double));
+//
+//  // (Re)Initialize W:
+//  for (int j=0; j<dim; j++)
+//  {
+//    for (int k=0; k<dim; k++)
+//      W[j*dim+k] = 0.0;
+//  }
+//  double* g = (double*)malloc(dim*sizeof(double));
+//  for (int i=0; i<n; i++)
+//  {
+//    // g == gi:
+//    for (int j=0; j<d; j++)
+//      g[j] = Y[i] * X[mi(i,j,n,d)] - M[j];
+//    for (int j=d; j<d+(d*d); j++)
+//    {
+//      int idx1 = (j-d) % d; //num row
+//      int idx2 = ((j-d) - idx1) / d; //num col
+//      g[j] = 0.0;
+//      if (idx1 == idx2)
+//        g[j] -= Y[i];
+//      g[j] += Y[i] * X[mi(i,idx1,n,d)]*X[mi(i,idx2,n,d)] - M[j];
+//    }
+//    for (int j=d+d*d; j<dim; j++)
+//    {
+//      int idx1 = (j-d-d*d) % d; //num row
+//      int idx2 = ((j-d-d*d - idx1) / d) %d; //num col
+//      int idx3 = (((j-d-d*d - idx1) / d) - idx2) / d; //num "depth"
+//      g[j] = 0.0;
+//      if (idx1 == idx2)
+//        g[j] -= Y[i] * X[mi(i,idx3,n,d)];
+//      if (idx1 == idx3)
+//        g[j] -= Y[i] * X[mi(i,idx2,n,d)];
+//      if (idx2 == idx3)
+//        g[j] -= Y[i] * X[mi(i,idx1,n,d)];
+//      g[j] += Y[i] * X[mi(i,idx1,n,d)]*X[mi(i,idx2,n,d)]*X[mi(i,idx3,n,d)] - M[j];
+//    }
+//    // Add 1/n t(gi) %*% gi to W
+//    for (int j=0; j<dim; j++)
+//    {
+//      for (int k=0; k<dim; k++)
+//        W[j*dim+k] += g[j] * g[k] / n;
+//    }
+//  }
+//  free(g);
+//}
+
+// Optimisation attempt:
+void Compute_Omega(double* X, int* Y, double* M, int* pn, int* pd, double* W)
 {
   int n=*pn, d=*pd;
   int dim = d + d*d + d*d*d;
@@ -73,17 +125,21 @@ void Compute_Omega(double* X, double* Y, double* M, int* pn, int* pd, double* W)
   double* g = (double*)malloc(dim*sizeof(double));
   for (int i=0; i<n; i++)
   {
+    printf("i: %i\n",i);
     // g == gi:
     for (int j=0; j<d; j++)
-      g[j] = Y[i] * X[mi(i,j,n,d)] - M[j];
+      g[j] = (Y[i] ? X[mi(i,j,n,d)] - M[j] : 0.0);
     for (int j=d; j<d+(d*d); j++)
     {
       int idx1 = (j-d) % d; //num row
       int idx2 = ((j-d) - idx1) / d; //num col
       g[j] = 0.0;
-      if (idx1 == idx2)
-        g[j] -= Y[i];
-      g[j] += Y[i] * X[mi(i,idx1,n,d)]*X[mi(i,idx2,n,d)] - M[j];
+      if (Y[i])
+      {
+        if (idx1 == idx2)
+          g[j]--;
+        g[j] += X[mi(i,idx1,n,d)]*X[mi(i,idx2,n,d)] - M[j];
+      }
     }
     for (int j=d+d*d; j<dim; j++)
     {
@@ -91,16 +147,17 @@ void Compute_Omega(double* X, double* Y, double* M, int* pn, int* pd, double* W)
       int idx2 = ((j-d-d*d - idx1) / d) %d; //num col
       int idx3 = (((j-d-d*d - idx1) / d) - idx2) / d; //num "depth"
       g[j] = 0.0;
-      if (idx1 == idx2)
-        g[j] -= Y[i] * X[mi(i,idx3,n,d)];
-      if (idx1 == idx3)
-        g[j] -= Y[i] * X[mi(i,idx2,n,d)];
-      if (idx2 == idx3)
-        g[j] -= Y[i] * X[mi(i,idx1,n,d)];
-      g[j] += Y[i] * X[mi(i,idx1,n,d)]*X[mi(i,idx2,n,d)]*X[mi(i,idx3,n,d)] - M[j];
+      if (Y[i])
+      {
+        if (idx1 == idx2)
+          g[j] -= X[mi(i,idx3,n,d)];
+        if (idx1 == idx3)
+          g[j] -= X[mi(i,idx2,n,d)];
+        if (idx2 == idx3)
+          g[j] -= X[mi(i,idx1,n,d)];
+        g[j] += X[mi(i,idx1,n,d)]*X[mi(i,idx2,n,d)]*X[mi(i,idx3,n,d)] - M[j];
+      }
     }
-
-    // TODO: 1/n des gj empirique doit tendre vers 0
     // Add 1/n t(gi) %*% gi to W
     for (int j=0; j<dim; j++)
     {