extF80_eq_signaling.c File Reference

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

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Functions
bool	extF80_eq_signaling (extFloat80_t a, extFloat80_t b)

Function Documentation

extF80_eq_signaling()

bool extF80_eq_signaling	(	extFloat80_t	a,
		extFloat80_t	b )

Definition at line 43 of file extF80_eq_signaling.c.

{
    union { struct extFloat80M s; extFloat80_t f; } uA;
    uint_fast16_t uiA64;
    uint_fast64_t uiA0;
    union { struct extFloat80M s; extFloat80_t f; } uB;
    uint_fast16_t uiB64;
    uint_fast64_t uiB0;
 
    uA.f = a;
    uiA64 = uA.s.signExp;
    uiA0  = uA.s.signif;
    uB.f = b;
    uiB64 = uB.s.signExp;
    uiB0  = uB.s.signif;
    if ( isNaNExtF80UI( uiA64, uiA0 ) || isNaNExtF80UI( uiB64, uiB0 ) ) {
        softfloat_raiseFlags( softfloat_flag_invalid );
        return false;
    }
    return
           (uiA0 == uiB0)
        && ((uiA64 == uiB64) || (! uiA0 && ! ((uiA64 | uiB64) & 0x7FFF)));
 
}

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