f128_sub.c File Reference

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

Include dependency graph for f128_sub.c:

Go to the source code of this file.

Functions
float128_t	f128_sub (float128_t a, float128_t b)

Function Documentation

f128_sub()

float128_t f128_sub	(	float128_t	a,
		float128_t	b )

Definition at line 43 of file f128_sub.c.

{
    union ui128_f128 uA;
    uint_fast64_t uiA64, uiA0;
    bool signA;
    union ui128_f128 uB;
    uint_fast64_t uiB64, uiB0;
    bool signB;
#if ! defined INLINE_LEVEL || (INLINE_LEVEL < 2)
    float128_t
        (*magsFuncPtr)(
            uint_fast64_t, uint_fast64_t, uint_fast64_t, uint_fast64_t, bool );
#endif
 
    uA.f = a;
    uiA64 = uA.ui.v64;
    uiA0  = uA.ui.v0;
    signA = signF128UI64( uiA64 );
    uB.f = b;
    uiB64 = uB.ui.v64;
    uiB0  = uB.ui.v0;
    signB = signF128UI64( uiB64 );
#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
    if ( signA == signB ) {
        return softfloat_subMagsF128( uiA64, uiA0, uiB64, uiB0, signA );
    } else {
        return softfloat_addMagsF128( uiA64, uiA0, uiB64, uiB0, signA );
    }
#else
    magsFuncPtr =
        (signA == signB) ? softfloat_subMagsF128 : softfloat_addMagsF128;
    return (*magsFuncPtr)( uiA64, uiA0, uiB64, uiB0, signA );
#endif
 
}

Here is the call graph for this function: