extF80M_isSignalingNaN.c File Reference

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

Include dependency graph for extF80M_isSignalingNaN.c:

Go to the source code of this file.

Functions
bool	extF80M_isSignalingNaN (const extFloat80_t *aPtr)

Function Documentation

extF80M_isSignalingNaN()

bool extF80M_isSignalingNaN

(

const extFloat80_t *

aPtr

)

Definition at line 44 of file extF80M_isSignalingNaN.c.

{
    const struct extFloat80M *aSPtr;
    uint64_t uiA0;
 
    aSPtr = (const struct extFloat80M *) aPtr;
    if ( (aSPtr->signExp & 0x7FFF) != 0x7FFF ) return false;
    uiA0 = aSPtr->signif;
    return
        ! (uiA0 & UINT64_C( 0x4000000000000000 ))
            && (uiA0 & UINT64_C( 0x3FFFFFFFFFFFFFFF));
 
}