f128M_isSignalingNaN.c File Reference

#include <stdbool.h>
#include <stdint.h>
#include "platform.h"
#include "primitives.h"
#include "softfloat.h"

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Functions
bool	f128M_isSignalingNaN (const float128_t *aPtr)

Function Documentation

f128M_isSignalingNaN()

bool f128M_isSignalingNaN

(

const float128_t *

aPtr

)

Definition at line 45 of file f128M_isSignalingNaN.c.

{
    const uint32_t *aWPtr;
    uint32_t uiA96;
 
    aWPtr = (const uint32_t *) aPtr;
    uiA96 = aWPtr[indexWordHi( 4 )];
    if ( (uiA96 & 0x7FFF8000) != 0x7FFF0000 ) return false;
    return
        ((uiA96 & 0x00007FFF) != 0)
            || ((aWPtr[indexWord( 4, 2 )] | aWPtr[indexWord( 4, 1 )]
                     | aWPtr[indexWord( 4, 0 )])
                    != 0);
 
}

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