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*use scalar instructions, packet not needed here

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*remove unused var warning
This commit is contained in:
Benoit Jacob 2009-12-14 23:13:54 -05:00
parent 39095c8faa
commit 4948448939
2 changed files with 1 additions and 2 deletions
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2
Eigen/src/LU/arch/Inverse_SSE.h
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@ -127,7 +127,7 @@ struct ei_compute_inverse_size4<Architecture::SSE, float, MatrixType, ResultType
det = _mm_add_ss(_mm_shuffle_ps(det, det, 0xB1), det);
// tmp1= _mm_rcp_ss(det);
// det= _mm_sub_ss(_mm_add_ss(tmp1, tmp1), _mm_mul_ss(det, _mm_mul_ss(tmp1, tmp1)));
det = _mm_div_ps(ei_pset1<float>(1.0f), det); // <--- yay, one original line not copied from Intel
det = _mm_div_ss(_mm_set_ss(1.0f), det); // <--- yay, one original line not copied from Intel
det = _mm_shuffle_ps(det, det, 0x00);
// warning, Intel's variable naming is very confusing: now 'det' is 1/det !

1
test/prec_inverse_4x4.cpp
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@ -30,7 +30,6 @@ template<typename MatrixType> void inverse_permutation_4x4()
{
typedef typename MatrixType::Scalar Scalar;
typedef typename MatrixType::RealScalar RealScalar;
double error_max = 0.;
Vector4i indices(0,1,2,3);
for(int i = 0; i < 24; ++i)
{