diff options
author | Gael Guennebaud <g.gael@free.fr> | 2009-10-06 10:24:41 +0200 |
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committer | Gael Guennebaud <g.gael@free.fr> | 2009-10-06 10:24:41 +0200 |
commit | 4cf73660273fa8c1ea9db4e41bc576f93fd0ccc9 (patch) | |
tree | 29be07a3c75f99763b0d2721f55ff23123ac0972 /Eigen | |
parent | 904f35d19497b5442a80a30c42d00fc52c22fe36 (diff) |
fix compilation in stable norm, move a platform check to the unit tests
Diffstat (limited to 'Eigen')
-rw-r--r-- | Eigen/src/Core/StableNorm.h | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/Eigen/src/Core/StableNorm.h b/Eigen/src/Core/StableNorm.h index facab9dbd..b4a5d0bfd 100644 --- a/Eigen/src/Core/StableNorm.h +++ b/Eigen/src/Core/StableNorm.h @@ -108,21 +108,15 @@ MatrixBase<Derived>::blueNorm() const iemax = std::numeric_limits<RealScalar>::max_exponent; // maximum exponent rbig = std::numeric_limits<RealScalar>::max(); // largest floating-point number - // Check the basic machine-dependent constants. - if(iemin > 1 - 2*it || 1+it>iemax || (it==2 && ibeta<5) - || (it<=4 && ibeta <= 3 ) || it<2) - { - ei_assert(false && "the algorithm cannot be guaranteed on this computer"); - } iexp = -((1-iemin)/2); - b1 = RealScalar(std::pow(double(ibeta),iexp)); // lower boundary of midrange + b1 = RealScalar(std::pow<RealScalar>(ibeta,iexp)); // lower boundary of midrange iexp = (iemax + 1 - it)/2; - b2 = RealScalar(std::pow(double(ibeta),iexp)); // upper boundary of midrange + b2 = RealScalar(std::pow<RealScalar>(ibeta,iexp)); // upper boundary of midrange iexp = (2-iemin)/2; - s1m = RealScalar(std::pow(double(ibeta),iexp)); // scaling factor for lower range + s1m = RealScalar(std::pow<RealScalar>(ibeta,iexp)); // scaling factor for lower range iexp = - ((iemax+it)/2); - s2m = RealScalar(std::pow(double(ibeta),iexp)); // scaling factor for upper range + s2m = RealScalar(std::pow<RealScalar>(ibeta,iexp)); // scaling factor for upper range overfl = rbig*s2m; // overfow boundary for abig eps = RealScalar(std::pow(double(ibeta), 1-it)); |