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25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis * Use is subject to license terms.
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis/* __rem_pio2l(x,y)
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis * return the remainder of x rem pi/2 in y[0]+y[1]
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis * by calling __rem_pio2m
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtisextern const int _TBL_ipio2l_inf[];
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtisstatic const long double
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis pio4 = 0.7853981633974483096156608458198757210495L;
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis long double z, w;
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis for (i = 0; i < 3; i++) {
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis t[i] = (double)((int)(z));
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis z = (z - (long double)t[i]) * two24l;
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis n = __rem_pio2m(t, v, e0, nx, 2, _TBL_ipio2l_inf);
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis z = (long double)v[1];
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis w = (long double)v[0];
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis y[1] = z - (y[0] - w);