os/kernelhwsrv/kerneltest/e32test/math/t_math.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
     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 // e32test\math\t_math.h
    15 // Copy of e32\umath\um_std.h for E32\TMATH directory
    16 // 
    17 //
    18 
    19 
    20 #include <e32math.h>
    21 #include <e32std.h>
    22 #include <e32test.h>
    23 
    24 struct SReal32
    25     {
    26     unsigned man:23;
    27     unsigned exp:8;
    28     unsigned sign:1;
    29     };
    30 
    31 #if defined(__DOUBLE_WORDS_SWAPPED__)
    32 struct SReal64
    33     {
    34     unsigned msm:20;
    35     unsigned exp:11;
    36     unsigned sign:1;
    37     TUint lsm;
    38     };
    39 #define DVAL(m0,m1,m2,m3,e)     {(TUint)((m0<<16)|m1),e+KExponentBias,0,(TUint)((m2<<16)|m3)}
    40 #else
    41 struct SReal64
    42     {
    43     TUint lsm;
    44     unsigned msm:20;
    45     unsigned exp:11;
    46     unsigned sign:1;
    47     };
    48 #define DVAL(m0,m1,m2,m3,e)     {(TUint)((m2<<16)|m3),(TUint)((m0<<16)|m1),e+KExponentBias,0}
    49 #endif
    50 
    51 enum TMathPanic
    52     {
    53 	EMathDivideByZero,
    54 	EMathOverflow,
    55 	EMathUnderflow,
    56 	EMathBadOperand,
    57     EMathUnknownError
    58     };
    59 
    60 GLREF_C void Panic(TMathPanic aPanic);