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_fpmath.h (143214) _fpmath.h (175402)
1/*-
2 * Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 9 unchanged lines hidden (view full) ---

18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
1/*-
2 * Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 9 unchanged lines hidden (view full) ---

18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/lib/libc/amd64/_fpmath.h 143214 2005-03-07 04:55:22Z das $
26 * $FreeBSD: head/lib/libc/amd64/_fpmath.h 175402 2008-01-17 16:39:07Z bde $
27 */
28
29union IEEEl2bits {
30 long double e;
31 struct {
32 unsigned int manl :32;
33 unsigned int manh :32;
34 unsigned int exp :15;
35 unsigned int sign :1;
36 unsigned int junkl :16;
37 unsigned int junkh :32;
38 } bits;
27 */
28
29union IEEEl2bits {
30 long double e;
31 struct {
32 unsigned int manl :32;
33 unsigned int manh :32;
34 unsigned int exp :15;
35 unsigned int sign :1;
36 unsigned int junkl :16;
37 unsigned int junkh :32;
38 } bits;
39 struct {
40 unsigned long man :64;
41 unsigned int expsign :16;
42 unsigned long junk :48;
43 } xbits;
39};
40
41#define LDBL_NBIT 0x80000000
42#define mask_nbit_l(u) ((u).bits.manh &= ~LDBL_NBIT)
43
44#define LDBL_MANH_SIZE 32
45#define LDBL_MANL_SIZE 32
46
47#define LDBL_TO_ARRAY32(u, a) do { \
48 (a)[0] = (uint32_t)(u).bits.manl; \
49 (a)[1] = (uint32_t)(u).bits.manh; \
44};
45
46#define LDBL_NBIT 0x80000000
47#define mask_nbit_l(u) ((u).bits.manh &= ~LDBL_NBIT)
48
49#define LDBL_MANH_SIZE 32
50#define LDBL_MANL_SIZE 32
51
52#define LDBL_TO_ARRAY32(u, a) do { \
53 (a)[0] = (uint32_t)(u).bits.manl; \
54 (a)[1] = (uint32_t)(u).bits.manh; \
50} while(0)
55} while (0)