Lines Matching defs:ix
162 int n,ix;
164 GET_HIGH_WORD(ix,x);
165 ix &= 0x7fffffff;
167 if(ix<0x3fd00000) return __kernel_sin(pi*x,zero,0);
180 if(ix>=0x43400000) {
183 if(ix<0x43300000) z = y+two52; /* exact */
208 int i,hx,lx,ix;
214 ix = hx&0x7fffffff;
215 if(ix>=0x7ff00000) return x*x;
216 if((ix|lx)==0) return one/zero;
217 if(ix<0x3b900000) { /* |x|<2**-70, return -log(|x|) */
224 if(ix>=0x43300000) /* |x|>=2**52, must be -integer */
234 if((((ix-0x3ff00000)|lx)==0)||(((ix-0x40000000)|lx)==0)) r = 0;
236 else if(ix<0x40000000) {
237 if(ix<=0x3feccccc) { /* lgamma(x) = lgamma(x+1)-log(x) */
239 if(ix>=0x3FE76944) {y = one-x; i= 0;}
240 else if(ix>=0x3FCDA661) {y= x-(tc-one); i=1;}
244 if(ix>=0x3FFBB4C3) {y=2.0-x;i=0;} /* [1.7316,2] */
245 else if(ix>=0x3FF3B4C4) {y=x-tc;i=1;} /* [1.23,1.73] */
269 else if(ix<0x40200000) { /* x < 8.0 */
286 } else if (ix < 0x43900000) {
