Lines Matching defs:zero
86 static const double novf=1.7E38, nunf=3.0E-39, zero=0.0 ;
90 static const double novf=1.7E308, nunf=3.0E-308,zero=0.0;
106 if( x == zero ) return(x);
198 else if( x != zero)
201 return(-(1.0/zero));
272 if (p == zero) {
276 return zero/zero;
344 double const zero=0.0;
353 if(x!=x||x==zero) return(x);
356 if(x<zero) {
360 return(zero/zero);
387 if(x==zero) goto end; 100+r; /* trigger inexact flag */
391 b=1.0+3*r/4; if(b==1.0) goto end; /* b==1 : Round-to-zero */
432 static const double zero=0.0;
446 /* return NaN if x is NaN, or y is NaN, or x is INF, or y is zero */
448 if( xexp == mexp ) return(zero/zero); /* x is INF */
449 if(y==zero) return(y/y);
452 * and reset them to zero
579 swapRM(RZ); /* ...set Rounding Mode to round-toward-zero */