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no static and enable if

This commit is contained in:
Sébastien Loriot 2025-03-04 15:48:38 +01:00
parent 765aa430a2
commit f6dac8a08d
1 changed files with 4 additions and 3 deletions
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7
Distance_3/include/CGAL/Distance_3/internal/squared_distance_utils_3.h
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@ -21,6 +21,7 @@
#include <CGAL/enum.h> #include <CGAL/enum.h>
#include <CGAL/number_utils.h> #include <CGAL/number_utils.h>
#include <CGAL/Rational_traits.h> #include <CGAL/Rational_traits.h>
#include <type_traits>
#include <CGAL/wmult.h> #include <CGAL/wmult.h>
namespace CGAL { namespace CGAL {
@ -63,7 +64,7 @@ wdot(const typename K::Vector_3 &u,
const typename K::Vector_3 &v, const typename K::Vector_3 &v,
const K&) const K&)
{ {
if constexpr(std::is_same<typename K::RT, double>()) if constexpr(std::is_same_v<typename K::RT, double>)
return std::fma(u.hx(), v.hx(), std::fma(u.hy(), v.hy(), u.hz()*v.hz())); return std::fma(u.hx(), v.hx(), std::fma(u.hy(), v.hy(), u.hz()*v.hz()));
else else
return (u.hx()*v.hx() + u.hy()*v.hy() + u.hz()*v.hz()); return (u.hx()*v.hx() + u.hy()*v.hy() + u.hz()*v.hz());
@ -112,7 +113,7 @@ wdot(const typename K::Point_3 &p,
} }
static double diff_of_products(const double& a, const double& b, const double& c, const double& d) double diff_of_products(const double a, const double b, const double c, const double d)
{ {
// Kahan method, less numerical error // Kahan method, less numerical error
#if 1 #if 1
@ -126,7 +127,7 @@ static double diff_of_products(const double& a, const double& b, const double& c
} }
template <typename OFT> template <typename OFT>
static OFT diff_of_products(const OFT& a, const OFT& b, const OFT& c, const OFT& d) OFT diff_of_products(const OFT& a, const OFT& b, const OFT& c, const OFT& d, std::enable_if_t<!std::is_same_v<double,OFT>>* = 0)
{ {
return a*b - c*d; return a*b - c*d;
} }