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#include "qnumeric.h"

QT_BEGIN_NAMESPACE

/*!
    Returns the bit pattern for an infinite number as a double.
*/
static const union { unsigned char c[8]; double d; } qt_be_inf_bytes = { { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } };
static const union { unsigned char c[8]; double d; } qt_le_inf_bytes = { { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f } };
#ifdef QT_ARMFPA
static const union { unsigned char c[8]; double d; } qt_armfpa_inf_bytes = { { 0, 0, 0xf0, 0x7f, 0, 0, 0, 0 } };
#endif
Q_CORE_EXPORT double qInf()
{
#ifdef QT_ARMFPA
    return qt_armfpa_inf_bytes.d;
#else
    return (QSysInfo::ByteOrder == QSysInfo::BigEndian
            ? qt_be_inf_bytes.d
            : qt_le_inf_bytes.d);
#endif
}

/*!
    Returns the bit pattern of a signalling NaN as a double.
*/
static const union { unsigned char c[8]; double d; } qt_be_snan_bytes = { { 0x7f, 0xf8, 0, 0, 0, 0, 0, 0 } };
static const union { unsigned char c[8]; double d; } qt_le_snan_bytes = { { 0, 0, 0, 0, 0, 0, 0xf8, 0x7f } };
#ifdef QT_ARMFPA
static const union { unsigned char c[8]; double d; } qt_armfpa_snan_bytes = { { 0, 0, 0xf8, 0x7f, 0, 0, 0, 0 } };
#endif
Q_CORE_EXPORT double qSNaN()
{
#ifdef QT_ARMFPA
    return qt_armfpa_snan_bytes.d;
#else
    return (QSysInfo::ByteOrder == QSysInfo::BigEndian
            ? qt_be_snan_bytes.d
            : qt_le_snan_bytes.d);
#endif
}

/*!
    Returns the bit pattern of a quiet NaN as a double.
*/
static const union { unsigned char c[8]; double d; } qt_be_qnan_bytes = { { 0xff, 0xf8, 0, 0, 0, 0, 0, 0 } };
static const union { unsigned char c[8]; double d; } qt_le_qnan_bytes = { { 0, 0, 0, 0, 0, 0, 0xf8, 0xff } };
#ifdef QT_ARMFPA
static const union { unsigned char c[8]; double d; } qt_armfpa_qnan_bytes = { { 0, 0, 0xf8, 0xff, 0, 0, 0, 0 } };
#endif
Q_CORE_EXPORT double qQNaN()
{
#ifdef QT_ARMFPA
    return qt_armfpa_qnan_bytes.d;
#else
    return (QSysInfo::ByteOrder == QSysInfo::BigEndian
            ? qt_be_qnan_bytes.d
            : qt_le_qnan_bytes.d);
#endif
}

QT_END_NAMESPACE