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#pragma once
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#include_next <cmath>
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#ifndef WAF_BUILD
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# ifdef __GNUG__
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# define _GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
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# if _GCC_VERSION >= 50300
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# ifndef HAVE_CMATH_ISFINITE
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# define HAVE_CMATH_ISFINITE
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# define NEED_CMATH_ISFINITE_STD_NAMESPACE
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# endif
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# ifndef HAVE_CMATH_ISINF
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# define HAVE_CMATH_ISINF
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# define NEED_CMATH_ISINF_STD_NAMESPACE
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# endif
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# ifndef HAVE_CMATH_ISNAN
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# define HAVE_CMATH_ISNAN
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# define NEED_CMATH_ISNAN_STD_NAMESPACE
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# endif
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# endif
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# undef _GCC_VERSION
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# endif
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#endif
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#if defined(HAVE_CMATH_ISFINITE) && defined(NEED_CMATH_ISFINITE_STD_NAMESPACE)
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using std::isfinite;
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#endif
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#if defined(HAVE_CMATH_ISINF) && defined(NEED_CMATH_ISINF_STD_NAMESPACE)
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using std::isinf;
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#endif
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#if defined(HAVE_CMATH_ISNAN) && defined(NEED_CMATH_ISNAN_STD_NAMESPACE)
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using std::isnan;
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#endif
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