Lines Matching refs:one
52 * is further reduced to one of the following intervals and the
96 * if trig is one of sin, cos, tan, then computed trig(y) returns the
180 static const double zero=0, one=1, small=1.0E-9, big=1.0E18;
190 signy = copysign(one,y) ;
191 signx = copysign(one,x) ;
194 if(x==1) { y=copysign(y,one); t=y; if(finite(t)) goto begin;}
197 if(y==zero) return((signx==one)?y:copysign(PI,signy));
205 return(copysign((signx==one)?PIo4:3*PIo4,signy));
207 return(copysign((signx==one)?zero:PI,signy));
213 x=copysign(x,one);
214 y=copysign(y,one);