25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis * CDDL HEADER START
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25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis * or http://www.opensolaris.org/os/licensing.
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25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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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 * rint(x) return x rounded to integral according to the rounding direction
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis * rint(x) returns result with the same sign as x's, including 0.0.
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis#if defined(__i386) && !defined(__amd64) && (!defined(__FLT_EVAL_METHOD__) || \
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtisextern enum fp_precision_type __swapRP(enum fp_precision_type);
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis#define DECLRP(x) enum fp_precision_type x;
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtisstatic const double
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis return (x * one);
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis SWAPRP(fp_double, rp) /* set precision mode to double */
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis w = x + t; /* x+sign(x)*2**52 rounded */
25c28e83beb90e7c80452a7c818c5e6f73a07dc8Piotr Jasiukajtis return (w - t);