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 "Symbian Foundation License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.symbianfoundation.org/legal/sfl-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