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#ifndef CONTOURPY_UTIL_H
#define CONTOURPY_UTIL_H
#include "common.h"
namespace contourpy {
class Util
{
public:
static void ensure_nan_loaded();
static index_t get_max_threads();
static bool is_nan(double value);
// This is the NaN used internally and returned to calling functions. The value is taken from
// numpy rather than the standard C++ approach so that it is guaranteed to work with
// numpy.isnan(). The value is actually the same for many platforms, but this approach
// guarantees it works for all platforms that numpy supports.
//
// ensure_nan_loaded() must be called before this value is read.
static double nan;
private:
static bool _nan_loaded;
};
} // namespace contourpy
#endif // CONTOURPY_UTIL_H
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