Lines Matching refs:ix
92 int e0,i,j,nx,n,ix,hx; local
95 ix = hx&0x7fffffff;
96 if(ix<=0x3fe921fb) /* |x| ~<= pi/4 , no need for reduction */
98 if(ix<0x4002d97c) { /* |x| < 3pi/4, special case with n=+-1 */
101 if(ix!=0x3ff921fb) { /* 33+53 bit pi is good enough */
112 if(ix!=0x3ff921fb) { /* 33+53 bit pi is good enough */
123 if(ix<=0x413921fb) { /* |x| ~<= 2^19*(pi/2), medium size */
129 if(n<32&&ix!=npio2_hw[n-1]) {
132 j = ix>>20;
158 if(ix>=0x7ff00000) { /* x is inf or NaN */
163 e0 = (ix>>20)-1046; /* e0 = ieee_ilogb(z)-23; */
164 __HI(z) = ix - (e0<<20);