38 pi_hi =  3.14160156e+00F,	/* 0x40491000 */
39 pi_lo = -8.90890988e-06F;	/* 0xb715777a */
56 volatile static const float vzero = 0;
65 	ix = hx & 0x7fffffff;  in tanpif()
68 	if (ix < 0x3f800000) {			/* |x| < 1 */  in tanpif()
69 		if (ix < 0x3f000000) {		/* |x| < 0.5 */  in tanpif()
70 			if (ix < 0x38800000) {	/* |x| < 0x1p-14 */  in tanpif()
71 				if (ix == 0)  in tanpif()
73 				SET_FLOAT_WORD(hi, hx & 0xffff0000);  in tanpif()
74 				hi *= 0x1p23F;  in tanpif()
75 				lo = x * 0x1p23F - hi;  in tanpif()
78 				return (t * 0x1p-23F);  in tanpif()
81 		} else if (ix == 0x3f000000)  in tanpif()
85 		return ((hx & 0x80000000) ? -t : t);  in tanpif()
88 	if (ix < 0x4b000000) {		/* 1 <= |x| < 0x1p23 */  in tanpif()
94 		if (ix < 0x3f000000)		/* |x| < 0.5 */  in tanpif()
95 			t = ix == 0 ? copysignf(0, odd) : __kernel_tanpif(ax);  in tanpif()
96 		else if (ix == 0x3f000000)  in tanpif()
100 		return ((hx & 0x80000000) ? -t : t);  in tanpif()
104 	if (ix >= 0x7f800000)  in tanpif()
108 	 * For 0x1p23 <= |x| < 0x1p24 need to determine if x is an even  in tanpif()
109 	 * or odd integer to set t = +0 or -0.  in tanpif()
110 	 * For |x| >= 0x1p24, it is always an even integer, so t = 0.  in tanpif()
112 	t = ix >= 0x4b800000 ? 0 : (copysignf(0, (ix & 1) ? -1 : 1));  in tanpif()
113 	return ((hx & 0x80000000) ? -t : t);  in tanpif()