0
|
1 |
// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
|
|
2 |
// All rights reserved.
|
|
3 |
// This component and the accompanying materials are made available
|
|
4 |
// under the terms of the License "Eclipse Public License v1.0"
|
|
5 |
// which accompanies this distribution, and is available
|
|
6 |
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
|
7 |
//
|
|
8 |
// Initial Contributors:
|
|
9 |
// Nokia Corporation - initial contribution.
|
|
10 |
//
|
|
11 |
// Contributors:
|
|
12 |
//
|
|
13 |
// Description:
|
|
14 |
// e32\euser\maths\um_std.h
|
|
15 |
//
|
|
16 |
//
|
|
17 |
|
|
18 |
#include <e32std.h>
|
|
19 |
#include <e32math.h>
|
|
20 |
#include <u32exec.h>
|
|
21 |
|
|
22 |
struct SReal32
|
|
23 |
{
|
|
24 |
unsigned man:23;
|
|
25 |
unsigned exp:8;
|
|
26 |
unsigned sign:1;
|
|
27 |
};
|
|
28 |
|
|
29 |
#if defined(__DOUBLE_WORDS_SWAPPED__)
|
|
30 |
struct SReal64
|
|
31 |
{
|
|
32 |
unsigned msm:20;
|
|
33 |
unsigned exp:11;
|
|
34 |
unsigned sign:1;
|
|
35 |
TUint lsm;
|
|
36 |
};
|
|
37 |
#define DVAL(m0,m1,m2,m3,e) {(TUint)((m0<<16)|m1),e+KExponentBias,0,(TUint)((m2<<16)|m3)}
|
|
38 |
#else
|
|
39 |
struct SReal64
|
|
40 |
{
|
|
41 |
TUint lsm;
|
|
42 |
unsigned msm:20;
|
|
43 |
unsigned exp:11;
|
|
44 |
unsigned sign:1;
|
|
45 |
};
|
|
46 |
#define DVAL(m0,m1,m2,m3,e) {(TUint)((m2<<16)|m3),(TUint)((m0<<16)|m1),e+KExponentBias,0}
|
|
47 |
#endif
|
|
48 |
|
|
49 |
enum TMathPanic
|
|
50 |
{
|
|
51 |
EMathDivideByZero,
|
|
52 |
EMathOverflow,
|
|
53 |
EMathUnderflow,
|
|
54 |
EMathBadOperand,
|
|
55 |
EMathUnknownError,
|
|
56 |
EMathUnexpectedError1
|
|
57 |
};
|
|
58 |
|
|
59 |
GLREF_C void Panic(TMathPanic aPanic);
|
|
60 |
|