GitHub-Proxy/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2025-07-09 22:51:51 +08:00
Code Issues Packages Projects Releases Wiki Activity

Improved the default implementation of prsqrt

Browse Source
This commit is contained in:
Benoit Steiner 2015-02-28 01:51:26 -08:00
parent 61409d9449
commit fb53384b0f
1 changed files with 1 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Eigen/src/Core/GenericPacketMath.h
View File

@ -378,9 +378,7 @@ Packet psqrt(const Packet& a) { using std::sqrt; return sqrt(a); }
/** \internal \returns the reciprocal square-root of \a a (coeff-wise) */ /** \internal \returns the reciprocal square-root of \a a (coeff-wise) */
template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
Packet prsqrt(const Packet& a) { Packet prsqrt(const Packet& a) {
using std::sqrt; return pdiv(pset1<Packet>(1), psqrt(a));
const Packet one(1);
return one/sqrt(a);
} }
/*************************************************************************** /***************************************************************************