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Make absolutely sure that tau is initialized (this change suppresses a gcc warning)

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This commit is contained in:
Christoph Hertzberg 2014-12-12 11:53:24 +01:00
parent 4577bafb91
commit 309620ee1f
1 changed files with 1 additions and 2 deletions
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Eigen/src/SparseQR/SparseQR.h
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@ -476,7 +476,7 @@ void SparseQR<MatrixType,OrderingType>::factorize(const MatrixType& mat)
} }
} // End update current column } // End update current column
Scalar tau; Scalar tau = 0;
RealScalar beta = 0; RealScalar beta = 0;
if(nonzeroCol < diagSize) if(nonzeroCol < diagSize)
@ -490,7 +490,6 @@ void SparseQR<MatrixType,OrderingType>::factorize(const MatrixType& mat)
for (Index itq = 1; itq < nzcolQ; ++itq) sqrNorm += numext::abs2(tval(Qidx(itq))); for (Index itq = 1; itq < nzcolQ; ++itq) sqrNorm += numext::abs2(tval(Qidx(itq)));
if(sqrNorm == RealScalar(0) && numext::imag(c0) == RealScalar(0)) if(sqrNorm == RealScalar(0) && numext::imag(c0) == RealScalar(0))
{ {
tau = RealScalar(0);
beta = numext::real(c0); beta = numext::real(c0);
tval(Qidx(0)) = 1; tval(Qidx(0)) = 1;
} }