41 volatile static const float vzero = 0;
50 	ix = ix & 0x7fffffff;  in cospif()
53 	if (ix < 0x3f800000) {			/* |x| < 1 */  in cospif()
54 		if (ix < 0x3e800000) {		/* |x| < 0.25 */  in cospif()
55 			if (ix < 0x38800000) {	/* |x| < 0x1p-14 */  in cospif()
56 				/* Raise inexact iff != 0. */  in cospif()
57 				if ((int)ax == 0)  in cospif()
63 		if (ix < 0x3f000000)		/* |x| < 0.5 */  in cospif()
65 		else if (ix < 0x3f400000) {	/* |x| < 0.75 */  in cospif()
66 			if (ix == 0x3f000000)  in cospif()
67 				return (0);  in cospif()
74 	if (ix < 0x4b000000) {		/* 1 <= |x| < 0x1p23 */  in cospif()
79 		if (ix < 0x3f000000) {		/* |x| < 0.5 */  in cospif()
80 			if (ix < 0x3e800000)	/* |x| < 0.25 */  in cospif()
81 				c = ix == 0 ? 1 : __kernel_cospif(ax);  in cospif()
85 			if (ix < 0x3f400000) {	/* |x| < 0.75 */  in cospif()
86 				if (ix == 0x3f000000)  in cospif()
87 					return (0);  in cospif()
98 	if (ix >= 0x7f800000)  in cospif()
102 	 * For 0x1p23 <= |x| < 0x1p24 need to determine if x is an even  in cospif()
104 	 * For |x| >= 0x1p24, it is always an even integer, so return 1.  in cospif()
106 	return (ix < 0x4b800000 ? ((ix & 1) ? -1 : 1) : 1);  in cospif()