WrapperC.cpp

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#include "../EllipsoidProjection.h"
#include "../SphereProjection.h"
 
extern "C" {
struct Pair {
  double first;
  double second;
};
 
Pair ellipsoidTransform(const double lon, const double lat) {
  Pair p{};
  auto [x, y] = projection::albers_equal_area::ellipsoid::forward(lon, lat);
  p.first     = x;
  p.second    = y;
  return p;
}
 
Pair ellipsoidTransformInverse(const double x, const double y) {
  Pair p{};
  auto [lon, lat] = projection::albers_equal_area::ellipsoid::inverse(x, y);
  p.first         = lon;
  p.second        = lat;
  return p;
}
 
Pair sphereTransform(const double lon, const double lat) {
  Pair p{};
  auto [x, y] = projection::albers_equal_area::sphere::forward(lon, lat);
  p.first     = x;
  p.second    = y;
  return p;
}
 
Pair sphereTransformInverse(const double x, const double y) {
  Pair p{};
  auto [lon, lat] = projection::albers_equal_area::sphere::inverse(x, y);
  p.first         = lon;
  p.second        = lat;
  return p;
}
}