soft_float_bits_from_double_bits()

u32 fl::soft_float_bits_from_double_bits ( u64 bits )

inline

Definition at line 132 of file soft_float.h.

                                                                   {
    const u32 sign = (bits >> 63) ? 0x80000000u : 0u;
    const u32 exp_bits = static_cast<u32>((bits >> 52) & 0x7FFu);
    const u64 mantissa_bits = bits & 0x000FFFFFFFFFFFFFull;
    if (exp_bits == 0x7FFu) {
        return mantissa_bits == 0 ? sign | 0x7F800000u : sign | 0x7FC00000u;
    }
    if (exp_bits == 0) {
        return detail::soft_float_bits_from_scaled_u64(sign, mantissa_bits, -1074);
    }
    return detail::soft_float_bits_from_scaled_u64(
        sign, mantissa_bits | 0x0010000000000000ull,
        static_cast<int>(exp_bits) - 1075);
}

References FL_NO_EXCEPT, sign(), and fl::detail::soft_float_bits_from_scaled_u64().

Referenced by fl::detail::json_ieee754_float_bits_from_double_bits(), and soft_double_to_float().

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