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loop variables

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This commit is contained in:
Joachim Schoeberl 2011-05-13 11:40:32 +00:00
parent 32579afb00
commit 53f1264340
1 changed files with 20 additions and 28 deletions
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48
libsrc/gprim/transform3d.cpp
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@ -9,22 +9,20 @@ namespace netgen
Transformation3d :: Transformation3d () Transformation3d :: Transformation3d ()
{ {
int i, j; for (int i = 0; i < 3; i++)
for (i = 0; i < 3; i++)
{ {
offset[i] = 0; offset[i] = 0;
for (j = 0; j < 3; j++) for (int j = 0; j < 3; j++)
lin[i][j] = 0; lin[i][j] = 0;
} }
} }
Transformation3d :: Transformation3d (const Vec3d & translate) Transformation3d :: Transformation3d (const Vec3d & translate)
{ {
int i, j; for (int i = 0; i < 3; i++)
for (i = 0; i < 3; i++) for (int j = 0; j < 3; j++)
for (j = 0; j < 3; j++)
lin[i][j] = 0; lin[i][j] = 0;
for (i = 0; i < 3; i++) for (int i = 0; i < 3; i++)
{ {
offset[i] = translate.X(i+1); offset[i] = translate.X(i+1);
lin[i][i] = 1; lin[i][i] = 1;
@ -54,7 +52,7 @@ Transformation3d (const Point3d & c, double alpha,
ht.Combine (ht2, r1); ht.Combine (ht2, r1);
Combine (ht, tcinv); Combine (ht, tcinv);
cout << "Rotation - Transformation:" << (*this) << endl; // cout << "Rotation - Transformation:" << (*this) << endl;
// (*testout) << "Rotation - Transformation:" << (*this) << endl; // (*testout) << "Rotation - Transformation:" << (*this) << endl;
} }
@ -63,22 +61,20 @@ Transformation3d (const Point3d & c, double alpha,
Transformation3d :: Transformation3d (const Point3d ** pp) Transformation3d :: Transformation3d (const Point3d ** pp)
{ {
int i, j; for (int i = 1; i <= 3; i++)
for (i = 1; i <= 3; i++)
{ {
offset[i-1] = (*pp[0]).X(i); offset[i-1] = (*pp[0]).X(i);
for (j = 1; j <= 3; j++) for (int j = 1; j <= 3; j++)
lin[i-1][j-1] = (*pp[j]).X(i) - (*pp[0]).X(i); lin[i-1][j-1] = (*pp[j]).X(i) - (*pp[0]).X(i);
} }
} }
Transformation3d :: Transformation3d (const Point3d pp[]) Transformation3d :: Transformation3d (const Point3d pp[])
{ {
int i, j; for (int i = 1; i <= 3; i++)
for (i = 1; i <= 3; i++)
{ {
offset[i-1] = pp[0].X(i); offset[i-1] = pp[0].X(i);
for (j = 1; j <= 3; j++) for (int j = 1; j <= 3; j++)
lin[i-1][j-1] = pp[j].X(i) - pp[0].X(i); lin[i-1][j-1] = pp[j].X(i) - pp[0].X(i);
} }
} }
@ -88,12 +84,11 @@ void Transformation3d :: CalcInverse (Transformation3d & inv) const
{ {
static DenseMatrix a(3), inva(3); static DenseMatrix a(3), inva(3);
static Vector b(3), sol(3); static Vector b(3), sol(3);
int i, j;
for (int i = 0; i < 3; i++) for (int i = 0; i < 3; i++)
{ {
b(i) = offset[i]; b(i) = offset[i];
for (j = 0; j < 3; j++) for (int j = 0; j < 3; j++)
a(i, j) = lin[i][j]; a(i, j) = lin[i][j];
} }
@ -103,7 +98,7 @@ void Transformation3d :: CalcInverse (Transformation3d & inv) const
for (int i = 0; i < 3; i++) for (int i = 0; i < 3; i++)
{ {
inv.offset[i] = -sol(i); inv.offset[i] = -sol(i);
for (j = 0; j < 3; j++) for (int j = 0; j < 3; j++)
inv.lin[i][j] = inva(i, j); inv.lin[i][j] = inva(i, j);
} }
} }
@ -112,23 +107,21 @@ void Transformation3d :: CalcInverse (Transformation3d & inv) const
void Transformation3d:: void Transformation3d::
Combine (const Transformation3d & ta, const Transformation3d & tb) Combine (const Transformation3d & ta, const Transformation3d & tb)
{ {
int i, j, k;
// o = o_a+ m_a o_b // o = o_a+ m_a o_b
// m = m_a m_b // m = m_a m_b
for (i = 0; i <= 2; i++) for (int i = 0; i <= 2; i++)
{ {
offset[i] = ta.offset[i]; offset[i] = ta.offset[i];
for (j = 0; j <= 2; j++) for (int j = 0; j <= 2; j++)
offset[i] += ta.lin[i][j] * tb.offset[j]; offset[i] += ta.lin[i][j] * tb.offset[j];
} }
for (i = 0; i <= 2; i++) for (int i = 0; i <= 2; i++)
for (j = 0; j <= 2; j++) for (int j = 0; j <= 2; j++)
{ {
lin[i][j] = 0; lin[i][j] = 0;
for (k = 0; k <= 2; k++) for (int k = 0; k <= 2; k++)
lin[i][j] += ta.lin[i][k] * tb.lin[k][j]; lin[i][j] += ta.lin[i][k] * tb.lin[k][j];
} }
} }
@ -157,14 +150,13 @@ void Transformation3d :: SetAxisRotation (int dir, double alpha)
ostream & operator<< (ostream & ost, Transformation3d & trans) ostream & operator<< (ostream & ost, Transformation3d & trans)
{ {
int i, j;
ost << "offset = "; ost << "offset = ";
for (i = 0; i <= 2; i++) for (int i = 0; i <= 2; i++)
ost << trans.offset[i] << " "; ost << trans.offset[i] << " ";
ost << endl << "linear = " << endl; ost << endl << "linear = " << endl;
for (i = 0; i <= 2; i++) for (int i = 0; i <= 2; i++)
{ {
for (j = 0; j <= 2; j++) for (int j = 0; j <= 2; j++)
ost << trans.lin[i][j] << " "; ost << trans.lin[i][j] << " ";
ost << endl; ost << endl;
} }