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* block() for vectors ---> segment()

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* documentation improvements, especially in quickstart guide
This commit is contained in:
Benoit Jacob
2008-09-15 15:45:41 +00:00
parent 0940ad7127
commit 247f2b0ffa
18 changed files with 213 additions and 243 deletions
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6
Eigen/src/Core/SolveTriangular.h
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@@ -119,8 +119,8 @@ struct ei_solve_triangular_selector<Lhs,Rhs,UpLo,RowMajor|IsDense>
int remainingSize = IsLower ? i-startBlock : startBlock-i;
Scalar tmp = other.coeff(i,c)
- btmp.coeff(IsLower ? remainingSize : 3-remainingSize)
- ( lhs.row(i).block(IsLower ? startBlock : i+1, remainingSize)
* other.col(c).block(IsLower ? startBlock : i+1, remainingSize)).coeff(0,0);
- ( lhs.row(i).segment(IsLower ? startBlock : i+1, remainingSize)
* other.col(c).segment(IsLower ? startBlock : i+1, remainingSize)).coeff(0,0);
if (Lhs::Flags & UnitDiagBit)
other.coeffRef(i,c) = tmp;
@@ -172,7 +172,7 @@ struct ei_solve_triangular_selector<Lhs,Rhs,UpLo,ColMajor|IsDense>
other.coeffRef(i,c) /= lhs.coeff(i,i);
int remainingSize = IsLower ? endBlock-i-1 : i-endBlock-1;
if (remainingSize>0)
other.col(c).block((IsLower ? i : endBlock) + 1, remainingSize) -=
other.col(c).segment((IsLower ? i : endBlock) + 1, remainingSize) -=
other.coeffRef(i,c)
* Block<Lhs,Dynamic,1>(lhs, (IsLower ? i : endBlock) + 1, i, remainingSize, 1);
btmp.coeffRef(IsLower ? i-startBlock : remainingSize) = -other.coeffRef(i,c);