Lines Matching refs:fn
57 double z,w,t,r,fn;
130 /* Use a specialized rint() to get fn. Assume round-to-nearest. */
131 STRICT_ASSIGN(double,fn,x*invpio2+0x1.8p52);
132 fn = fn-0x1.8p52;
134 n = irint(fn);
136 n = (int32_t)fn;
138 r = x-fn*pio2_1;
139 w = fn*pio2_1t; /* 1st round good to 85 bit */
148 w = fn*pio2_2;
150 w = fn*pio2_2t-((t-r)-w);
156 w = fn*pio2_3;
158 w = fn*pio2_3t-((t-r)-w);
