diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/sparse.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/test/sparse.h b/test/sparse.h index 3c3a0c9be..9912e1e24 100644 --- a/test/sparse.h +++ b/test/sparse.h @@ -77,8 +77,11 @@ initSparse(double density, Scalar v = (internal::random<double>(0,1) < density) ? internal::random<Scalar>() : Scalar(0); if ((flags&ForceNonZeroDiag) && (i==j)) { + // FIXME: the following is too conservative v = internal::random<Scalar>()*Scalar(3.); - v = v*v + Scalar(5.); + v = v*v; + if(numext::real(v)>0) v += Scalar(5); + else v -= Scalar(5); } if ((flags & MakeLowerTriangular) && aj>ai) v = Scalar(0); |