source:
pacpussensors/trunk/Vislab/lib3dv/eigen/doc/examples/class_CwiseUnaryOp_ptrfun.cpp@
138
Last change on this file since 138 was 136, checked in by , 8 years ago | |
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File size: 371 bytes |
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1 | #include <Eigen/Core> |
2 | #include <iostream> |
3 | using namespace Eigen; |
4 | using namespace std; |
5 | |
6 | // define function to be applied coefficient-wise |
7 | double ramp(double x) |
8 | { |
9 | if (x > 0) |
10 | return x; |
11 | else |
12 | return 0; |
13 | } |
14 | |
15 | int main(int, char**) |
16 | { |
17 | Matrix4d m1 = Matrix4d::Random(); |
18 | cout << m1 << endl << "becomes: " << endl << m1.unaryExpr(ptr_fun(ramp)) << endl; |
19 | return 0; |
20 | } |
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