Lines Matching +full:tx +full:- +full:180

27 #define	BIAS	(LDBL_MAX_EXP - 1)
31  * range get no closer to a long double than 2**-140, or that
32  * ilogb(x) + ilogb(min_delta) < 45 - -140.
37  * pio2_1t:  pi/2 - pio2_1
39  * pio2_2t:  pi/2 - (pio2_1+pio2_2)
41  * pio2_3t:  pi/2 - (pio2_1+pio2_2+pio2_3)
49 invpio2 =  6.3661977236758134307553505349005747e-01L,	/*  0x145f306dc9c882a53f84eafa3ea6a.0p-113 */
50 pio2_1  =  1.5707963267948966192292994253909555e+00L,	/*  0x1921fb54442d18469800000000000.0p-112 */
51 pio2_1t =  2.0222662487959507323996846200947577e-21L,	/*  0x13198a2e03707344a4093822299f3.0p-181 */
52 pio2_2  =  2.0222662487959507323994779168837751e-21L,	/*  0x13198a2e03707344a400000000000.0p-181 */
53 pio2_2t =  2.0670321098263988236496903051604844e-43L,	/*  0x127044533e63a0105df531d89cd91.0p-254 */
54 pio2_3  =  2.0670321098263988236499468110329591e-43L,	/*  0x127044533e63a0105e00000000000.0p-254 */
55 pio2_3t = -2.5650587247459238361625433492959285e-65L;	/* -0x159c4ec64ddaeb5f78671cbfb2210.0p-327 */
62 	double tx[5],ty[3];
76 	    r  = x-fn*pio2_1;
77 	    w  = fn*pio2_1t;	/* 1st round good to 180 bit */
82 	        y[0] = r-w; 
85 	        i = j-ex1;
89 		    r  = t-w;
90 		    w  = fn*pio2_2t-((t-r)-w);	
91 		    y[0] = r-w;
94 		    i = j-ex1;
98 		    	r  = t-w;
99 		    	w  = fn*pio2_3t-((t-r)-w);	
100 		    	y[0] = r-w;
104 	    y[1] = (r-y[0])-w;
111 	    y[0]=y[1]=x-x; return 0;
113     /* set z = scalbn(|x|,ilogb(x)-23) */
115 	e0 = ex - BIAS - 23;		/* e0 = ilogb(|x|)-23; */
116 	u1.xbits.expsign = ex - e0;
119 		tx[i] = (double)((int32_t)(z));
120 		z     = (z-tx[i])*two24;
122 	tx[4] = z;
124 	while(tx[nx-1]==zero) nx--;	/* skip zero term */
125 	n  =  __kernel_rem_pio2(tx,ty,e0,nx,3);
128 	w = ty[0] - (r - t);
129 	if(expsign<0) {y[0] = -r; y[1] = -w; return -n;}