public/sourcepawn/sp_typeutil.h
author David Anderson <dvander@alliedmods.net>
Wed Feb 25 20:07:12 2009 -0500 (2009-02-25)
changeset 2607 f3b8bbe17f85
parent 2289 44045ead61cd
permissions -rw-r--r--
Backed out changeset fa286305bd3f
     1 /**
     2  * vim: set ts=4 :
     3  * =============================================================================
     4  * SourcePawn
     5  * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
     6  * =============================================================================
     7  *
     8  * This program is free software; you can redistribute it and/or modify it under
     9  * the terms of the GNU General Public License, version 3.0, as published by the
    10  * Free Software Foundation.
    11  * 
    12  * This program is distributed in the hope that it will be useful, but WITHOUT
    13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    14  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
    15  * details.
    16  *
    17  * You should have received a copy of the GNU General Public License along with
    18  * this program.  If not, see <http://www.gnu.org/licenses/>.
    19  *
    20  * As a special exception, AlliedModders LLC gives you permission to link the
    21  * code of this program (as well as its derivative works) to "Half-Life 2," the
    22  * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
    23  * by the Valve Corporation.  You must obey the GNU General Public License in
    24  * all respects for all other code used.  Additionally, AlliedModders LLC grants
    25  * this exception to all derivative works.  AlliedModders LLC defines further
    26  * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
    27  * or <http://www.sourcemod.net/license.php>.
    28  *
    29  * Version: $Id$
    30  */
    31 
    32 #ifndef _INCLUDE_SOURCEPAWN_VM_TYPEUTIL_H_
    33 #define _INCLUDE_SOURCEPAWN_VM_TYPEUTIL_H_
    34 
    35 /**
    36  * @file sp_typeutil.h
    37  * @brief Defines type utility functions.
    38  */
    39 
    40 #include "sp_vm_types.h"
    41 
    42 /**
    43  * @brief Reinterpret-casts a float to a cell (requires -fno-strict-aliasing for GCC).
    44  *
    45  * @param val		Float value.
    46  * @return			Cell typed version.
    47  */
    48 inline cell_t sp_ftoc(float val)
    49 {
    50 	return *(cell_t *)&val;
    51 }
    52 
    53 /**
    54  * @brief Reinterpret-casts a cell to a float (requires -fno-strict-aliasing for GCC).
    55  *
    56  * @param val		Cell-packed float value.
    57  * @return			Float typed version.
    58  */
    59 inline float sp_ctof(cell_t val)
    60 {
    61 	return *(float *)&val;
    62 }
    63 
    64 #endif //_INCLUDE_SOURCEPAWN_VM_TYPEUTIL_H_
    65