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Fix some unused or not initialized related warnings.

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This commit is contained in:
Gael Guennebaud
2013-02-15 14:05:37 +01:00
parent 19f699ded0
commit a1091caa43
3 changed files with 14 additions and 3 deletions
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14
Eigen/src/SparseLU/SparseLU_gemm_kernel.h
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@@ -93,8 +93,16 @@ void sparselu_gemm(int m, int n, int d, const Scalar* A, int lda, const Scalar*
a0 = pload<Packet>(A0);
a1 = pload<Packet>(A1);
if(RK==4) a2 = pload<Packet>(A2);
if(RK==4) a3 = pload<Packet>(A3);
if(RK==4)
{
a2 = pload<Packet>(A2);
a3 = pload<Packet>(A3);
}
else
{
// workaround "may be used uninitialized in this function" warning
a2 = a3 = a0;
}
#define KMADD(c, a, b, tmp) tmp = b; tmp = pmul(a,tmp); c = padd(c,tmp);
#define WORK(I) \
@@ -137,6 +145,7 @@ void sparselu_gemm(int m, int n, int d, const Scalar* A, int lda, const Scalar*
{
WORK(0);
}
#undef WORK
// process the remaining rows without vectorization
for(int i=actual_b_end2; i<actual_b; ++i)
{
@@ -154,7 +163,6 @@ void sparselu_gemm(int m, int n, int d, const Scalar* A, int lda, const Scalar*
Bc0 += RK;
Bc1 += RK;
#undef WORK
} // peeled loop on k
} // peeled loop on the columns j
// process the last column (we now perform a matrux-vector product)