quadmath-print.hpp

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#pragma once
 
#ifdef ALPAQA_WITH_QUAD_PRECISION
 
#include <alpaqa/util/quadmath/quadmath.hpp>
 
#include <cassert>
#include <ostream>
 
namespace std {
inline ostream &operator<<(ostream &os, __float128 f) {
    char buf[128];
    auto precision         = static_cast<int>(os.precision());
    [[maybe_unused]] int n = quadmath_snprintf(buf, sizeof(buf), "%#.*Qg", precision, f);
    assert((size_t)n < sizeof buf);
    return os << buf;
}
} // namespace std
 
#endif