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Annotation of cci/usr/src/usr.lib/libF77/d_sign.c, revision 1.1.1.1

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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