Lines Matching refs:ix
89 int32_t hx,ix;
92 ix = hx&0x7fffffff;
93 if(ix>=0x7ff00000) return one/(x*x);
95 if(ix >= 0x40000000) { /* |x| >= 2.0 */
100 if(ix<0x7fe00000) { /* make sure x+x not overflow */
109 if(ix>0x48000000) z = (invsqrtpi*cc)/sqrt(x);
116 if(ix<0x3f200000) { /* |x| < 2**-13 */
118 if(ix<0x3e400000) return one; /* |x|<2**-27 */
125 if(ix < 0x3FF00000) { /* |x| < 1.00 */
150 int32_t hx,ix,lx;
153 ix = 0x7fffffff&hx;
155 if(ix>=0x7ff00000) return one/(x+x*x);
156 if((ix|lx)==0) return -one/zero;
158 if(ix >= 0x40000000) { /* |x| >= 2.0 */
178 if(ix<0x7fe00000) { /* make sure x+x not overflow */
183 if(ix>0x48000000) z = (invsqrtpi*ss)/sqrt(x);
190 if(ix<=0x3e400000) { /* x < 2**-27 */
276 int32_t ix;
277 GET_HIGH_WORD(ix,x);
278 ix &= 0x7fffffff;
279 if(ix>=0x40200000) {p = pR8; q= pS8;}
280 else if(ix>=0x40122E8B){p = pR5; q= pS5;}
281 else if(ix>=0x4006DB6D){p = pR3; q= pS3;}
282 else if(ix>=0x40000000){p = pR2; q= pS2;}
371 int32_t ix;
372 GET_HIGH_WORD(ix,x);
373 ix &= 0x7fffffff;
374 if(ix>=0x40200000) {p = qR8; q= qS8;}
375 else if(ix>=0x40122E8B){p = qR5; q= qS5;}
376 else if(ix>=0x4006DB6D){p = qR3; q= qS3;}
377 else if(ix>=0x40000000){p = qR2; q= qS2;}
