uninitialized warnings....

[malex984]

libtool: link: g++ -Wall -O2 -o diff diff.o support.o -Wl,-rpath -Wl,/usr/lib -L/GITHUB/w/LINBOX/lib -lpolys_g -lcoeffs_g -lresources_g -lreporter_g -lmisc_g -lfactory -lomalloc_g /usr/lib/libntl.so -L/usr/lib /usr/lib/libgf2x.so -ldl -lgmp -lgmpxx -lpng /usr/lib/libm4ri.so -lm ../lela/.libs/liblela.a
In file included from ../../lela/algorithms/elimination.h:225:0,
from ../../lela/solutions/echelon-form.h:18,
from ../../util/row-echelon-form.C:19:
../../lela/blas/level1-gf2.tcc: In member function ‘Matrix& LELA::Elimination<Ring, Modules>::echelonize(Matrix&, LELA::Elimination<Ring, Modules>::Permutation&, size_t&, LELA::Elimination<Ring, Modules>::Element&, PivotStrategy, bool) const [with Matrix = LELA::DenseMatrix, PivotStrategy = LELA::DensePivotStrategy<LELA::GF2, LELA::AllModulesLELA::GF2 >, Ring = LELA::GF2, Modules = LELA::AllModulesLELA::GF2, LELA::Elimination<Ring, Modules>::Permutation = std::vector<std::pair<unsigned int, unsigned int> >, size_t = long unsigned int, LELA::Elimination<Ring, Modules>::Element = bool]’:
../../lela/blas/level1-gf2.tcc:294:3: warning: ‘((void)(& j_A)+16).LELA::BitSubvectorWordAligned<long long unsigned int*, const long long unsigned int*, LELA::BigEndian >::end’ may be used uninitialized in this function [-Wuninitialized]
../../lela/algorithms/elimination.tcc:64:36: note: ‘((void_)(& j_A)+16).LELA::BitSubvectorWordAligned<long long unsigned int*, const long long unsigned int*, LELA::BigEndian >::end’ was declared here
../../lela/blas/level1-gf2.tcc:292:4: warning: ‘((void_)(& j_A)+16).LELA::BitSubvectorWordAligned<long long unsigned int*, const long long unsigned int*, LELA::BigEndian >::begin’ may be used uninitialized in this function [-Wuninitialized]
../../lela/algorithms/elimination.tcc:64:36: note: ‘((void_)(& j_A)+16).LELA::BitSubvectorWordAligned<long long unsigned int*, const long long unsigned int*, LELA::BigEndian >::begin’ was declared here
../../lela/matrix/m4ri-matrix.h: In member function ‘Matrix1& LELA::Elimination<Ring, Modules>::echelonize_reduced(Matrix1&, Matrix2&, LELA::Elimination<Ring, Modules>::Permutation&, size_t&, LELA::Elimination<Ring, Modules>::Element&, PivotStrategy, bool) const [with Matrix1 = LELA::DenseMatrix, Matrix2 = LELA::DenseMatrix, PivotStrategy = LELA::DensePivotStrategy<LELA::GF2, LELA::AllModulesLELA::GF2 >, Ring = LELA::GF2, Modules = LELA::AllModulesLELA::GF2, LELA::Elimination<Ring, Modules>::Permutation = std::vector<std::pair<unsigned int, unsigned int> >, size_t = long unsigned int, LELA::Elimination<Ring, Modules>::Element = bool]’:
../../lela/matrix/m4ri-matrix.h:143:4: warning: ‘j_L.LELA::M4RIMatrix::RowIteratorPT<long long unsigned int*, const long long unsigned int*, LELA::M4RIMatrixBase*>::idx’ may be used uninitialized in this function [-Wuninitialized]
../../lela/algorithms/elimination.tcc:163:37: note: ‘j_L.LELA::M4RIMatrix::RowIteratorPT<long long unsigned int*, const long long unsigned int*, LELA::M4RIMatrixBase*>::idx’ was declared here
../../lela/blas/level1-gf2.tcc:294:3: warning: ‘((void)(& j_L)+16).LELA::BitSubvectorWordAligned<long long unsigned int*, const long long unsigned int*, LELA::BigEndian >::end’ may be used uninitialized in this function [-Wuninitialized]
../../lela/algorithms/elimination.tcc:163:37: note: ‘((void)(& j_L)+16).LELA::BitSubvectorWordAligned<long long unsigned int*, const long long unsigned int*, LELA::BigEndian >::end’ was declared here
../../lela/algorithms/elimination.tcc:163:37: warning: ‘((void_)(& j_L)+16).LELA::BitSubvectorWordAligned<long long unsigned int*, const long long unsigned int*, LELA::BigEndian >::begin’ may be used uninitialized in this function [-Wuninitialized]
../../lela/matrix/m4ri-matrix.h: In member function ‘Matrix1& LELA::Elimination<Ring, Modules>::echelonize_reduced(Matrix1&, Matrix2&, LELA::Elimination<Ring, Modules>::Permutation&, size_t&, LELA::Elimination<Ring, Modules>::Element&, PivotStrategy, bool) const [with Matrix1 = LELA::SparseMatrix<bool, std::vector >, Matrix2 = LELA::DenseMatrix, PivotStrategy = LELA::SparsePartialPivotStrategy<LELA::GF2, LELA::AllModulesLELA::GF2 >, Ring = LELA::GF2, Modules = LELA::AllModulesLELA::GF2, LELA::Elimination<Ring, Modules>::Permutation = std::vector<std::pair<unsigned int, unsigned int> >, size_t = long unsigned int, LELA::Elimination<Ring, Modules>::Element = bool]’:
../../lela/matrix/m4ri-matrix.h:143:4: warning: ‘j_L.LELA::M4RIMatrix::RowIteratorPT<long long unsigned int*, const long long unsigned int*, LELA::M4RIMatrixBase*>::idx’ may be used uninitialized in this function [-Wuninitialized]
../../lela/algorithms/elimination.tcc:163:37: note: ‘j_L.LELA::M4RIMatrix::RowIteratorPT<long long unsigned int*, const long long unsigned int*, LELA::M4RIMatrixBase*>::idx’ was declared here
../../lela/blas/level1-gf2.tcc:294:3: warning: ‘((void)(& j_L)+16).LELA::BitSubvectorWordAligned<long long unsigned int*, const long long unsigned int*, LELA::BigEndian >::end’ may be used uninitialized in this function [-Wuninitialized]
../../lela/algorithms/elimination.tcc:163:37: note: ‘((void)(& j_L)+16).LELA::BitSubvectorWordAligned<long long unsigned int*, const long long unsigned int*, LELA::BigEndian >::end’ was declared here
../../lela/algorithms/elimination.tcc:163:37: warning: ‘((void_)(& j_L)+16).LELA::BitSubvectorWordAligned<long long unsigned int*, const long long unsigned int*, LELA::BigEndian >::begin’ may be used uninitialized in this function [-Wuninitialized]
../../lela/matrix/m4ri-matrix.h: In member function ‘Matrix1& LELA::Elimination<Ring, Modules>::echelonize_reduced(Matrix1&, Matrix2&, LELA::Elimination<Ring, Modules>::Permutation&, size_t&, LELA::Elimination<Ring, Modules>::Element&, PivotStrategy, bool) const [with Matrix1 = LELA::SparseMatrix<bool, LELA::HybridVector<LELA::BigEndian, short unsigned int, long unsigned int> >, Matrix2 = LELA::DenseMatrix, PivotStrategy = LELA::SparsePartialPivotStrategy<LELA::GF2, LELA::AllModulesLELA::GF2 >, Ring = LELA::GF2, Modules = LELA::AllModulesLELA::GF2, LELA::Elimination<Ring, Modules>::Permutation = std::vector<std::pair<unsigned int, unsigned int> >, size_t = long unsigned int, LELA::Elimination<Ring, Modules>::Element = bool]’:
../../lela/matrix/m4ri-matrix.h:143:4: warning: ‘j_L.LELA::M4RIMatrix::RowIteratorPT<long long unsigned int*, const long long unsigned int*, LELA::M4RIMatrixBase*>::idx’ may be used uninitialized in this function [-Wuninitialized]
../../lela/algorithms/elimination.tcc:163:37: note: ‘j_L.LELA::M4RIMatrix::RowIteratorPT<long long unsigned int*, const long long unsigned int*, LELA::M4RIMatrixBase*>::idx’ was declared here
../../lela/blas/level1-gf2.tcc:294:3: warning: ‘((void)(& j_L)+16).LELA::BitSubvectorWordAligned<long long unsigned int*, const long long unsigned int*, LELA::BigEndian >::end’ may be used uninitialized in this function [-Wuninitialized]
../../lela/algorithms/elimination.tcc:163:37: note: ‘((void)(& j_L)+16).LELA::BitSubvectorWordAligned<long long unsigned int*, const long long unsigned int*, LELA::BigEndian >::end’ was declared here
../../lela/algorithms/elimination.tcc:163:37: warning: ‘((void_)(& j_L)+16).LELA::BitSubvectorWordAligned<long long unsigned int*, const long long unsigned int*, LELA::BigEndian >::_begin’ may be used uninitialized in this function [-Wuninitialized]

[hovinen]

This is the compiler being stupid (especially in the case of j_A). I've made some silly changes which should fix it. Please let me know otherwise.