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add the missing templated version of block for sub-vectors

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This commit is contained in:
Gael Guennebaud
2008-09-09 09:30:23 +00:00
parent c41ceee750
commit 703539110b
7 changed files with 67 additions and 8 deletions
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2
doc/QuickStartGuide.dox
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@@ -351,6 +351,8 @@ mat = 2 7 8
\endcode</td></tr>
</table>
Also note that maxCoeff and minCoeff can takes optional arguments returning the coordinates of the respective min/max coeff: \link MatrixBase::maxCoeff(int*,int*) const maxCoeff(int* i, int* j) \endlink, \link MatrixBase::minCoeff(int*,int*) const minCoeff(int* i, int* j) \endlink.
<span class="note">\b Side \b note: The all() and any() functions are especially useful in combinaison with coeff-wise comparison operators (\ref CwiseAll "example").</span>

5
doc/snippets/MatrixBase_template_int.cpp Normal file
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@@ -0,0 +1,5 @@
RowVector5i v = RowVector5i::Random();
cout << "Here is the vector v:" << endl << v << endl;
cout << "Here is v.block<2>(1):" << endl << v.start<2>() << endl;
v.block<2>(2).setZero();
cout << "Now the vector v is:" << endl << v << endl;