softfloat/8086/s_commonNaNToF64UI.c


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#include <stdint.h>
#include "platform.h"
#include "specialize.h"

/*----------------------------------------------------------------------------
| Returns the result of converting the canonical NaN `a' to the double-
| precision floating-point format.
*----------------------------------------------------------------------------*/

uint_fast64_t softfloat_commonNaNToF64UI( struct commonNaN a )
{

    return
        (uint_fast64_t) a.sign<<63 | UINT64_C( 0x7FF8000000000000 )
            | a.v64>>12;

}