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Annotation of cci/usr/src/usr.lib/libF77/d_sign.c, revision 1.1

1.1     ! root        1: /* THIS IS BASED ON TAHOE FLOATING POINT REPR. ! */
        !             2: #include <FP.h>
        !             3: 
        !             4: 
        !             5: double d_sign(a,b)
        !             6: double *a, *b;
        !             7: {
        !             8: double x;
        !             9: /*
        !            10:  x = (*a >= 0 ? *a : - *a);
        !            11:  return( *b >= 0 ? x : -x);
        !            12: */
        !            13: 
        !            14: x = *a;
        !            15: if ((*a < 0) || (*b < 0))
        !            16:        *(unsigned long *)&x ^= SIGN_BIT;
        !            17: return(x);
        !            18: }

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