extF80_add.c File Reference

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

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Functions
extFloat80_t	extF80_add (extFloat80_t a, extFloat80_t b)

Function Documentation

extF80_add()

extFloat80_t extF80_add	(	extFloat80_t	a,
		extFloat80_t	b )

Definition at line 43 of file extF80_add.c.

{
    union { struct extFloat80M s; extFloat80_t f; } uA;
    uint_fast16_t uiA64;
    uint_fast64_t uiA0;
    bool signA;
    union { struct extFloat80M s; extFloat80_t f; } uB;
    uint_fast16_t uiB64;
    uint_fast64_t uiB0;
    bool signB;
#if ! defined INLINE_LEVEL || (INLINE_LEVEL < 2)
    extFloat80_t
        (*magsFuncPtr)(
            uint_fast16_t, uint_fast64_t, uint_fast16_t, uint_fast64_t, bool );
#endif
 
    uA.f = a;
    uiA64 = uA.s.signExp;
    uiA0  = uA.s.signif;
    signA = signExtF80UI64( uiA64 );
    uB.f = b;
    uiB64 = uB.s.signExp;
    uiB0  = uB.s.signif;
    signB = signExtF80UI64( uiB64 );
#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
    if ( signA == signB ) {
        return softfloat_addMagsExtF80( uiA64, uiA0, uiB64, uiB0, signA );
    } else {
        return softfloat_subMagsExtF80( uiA64, uiA0, uiB64, uiB0, signA );
    }
#else
    magsFuncPtr =
        (signA == signB) ? softfloat_addMagsExtF80 : softfloat_subMagsExtF80;
    return (*magsFuncPtr)( uiA64, uiA0, uiB64, uiB0, signA );
#endif
 
}

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