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Add a constexpr

This commit is contained in:
Andreas Fabri 2024-09-18 16:58:19 +01:00
parent a05c5c8abf
commit b05b33dc2e
1 changed files with 10 additions and 3 deletions
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13
Frechet_distance/include/CGAL/Frechet_distance/internal/curve.h
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@ -80,6 +80,7 @@ struct Get_rational_kernel {
}
static constexpr bool is_filtered = decltype(get_is_filtered())::value;
static constexpr bool is_floating_point = std::is_floating_point_v<typename K::FT>;
static auto get_type()
{
@ -89,7 +90,7 @@ struct Get_rational_kernel {
}
else
{
if constexpr (std::is_floating_point_v<typename K::FT>)
if constexpr (is_floating_point)
return CGAL::Simple_cartesian<CGAL::Exact_rational>{};
else
return K{};
@ -104,6 +105,8 @@ template <typename T, int dim>
struct Curve_base
{
static constexpr bool is_filtered = Get_rational_kernel<T>::is_filtered;
static constexpr bool is_floating_point = Get_rational_kernel<T>::is_floating_point;
using distance_t = Interval_nt<false>;
using Kernel = typename T::Kernel;
using iKernel = Kernel_d_interface<Cartesian_base_d<distance_t,Dimension_tag<dim>>>;
@ -128,6 +131,7 @@ template <typename T>
struct Curve_base<T,2>
{
static constexpr bool is_filtered = Get_rational_kernel<T>::is_filtered;
static constexpr bool is_floating_point = Get_rational_kernel<T>::is_floating_point;
using distance_t = CGAL::Interval_nt<false>;
using Kernel = typename T::Kernel;
@ -153,6 +157,8 @@ template <typename T>
struct Curve_base<T,3>
{
static constexpr bool is_filtered = Get_rational_kernel<T>::is_filtered;
static constexpr bool is_floating_point = Get_rational_kernel<T>::is_floating_point;
using distance_t = CGAL::Interval_nt<false>;
using Kernel = typename T::Kernel;
using iKernel = CGAL::Simple_cartesian<distance_t>;
@ -189,6 +195,7 @@ public:
static constexpr bool is_filtered = Base::is_filtered;
static constexpr bool is_floating_point = Base::is_floating_point;
public:
static constexpr int dimension = T::dimension;
@ -238,7 +245,7 @@ public:
Curve(const PointRange& point_range)
: prefix_length(point_range.size())
{
if constexpr ( ! std::is_floating_point<typename K::FT>::type::value) {
if constexpr ( ! is_floating_point) {
input.reserve(point_range.size());
for (auto const& p : point_range) {
input.push_back(p);
@ -287,7 +294,7 @@ public:
Rational_point rpoint(PointID const& i) const
{
if constexpr (std::is_floating_point<typename K::FT>::type::value) {
if constexpr (is_floating_point) {
I2R convert;
return convert(points[i]);
}else{