fp.cpp

来自「通用网络游戏开发框架」· C++ 代码 · 共 28 行

// ============================================================================
// Turn on floating point exceptions
//
// (c) 2003 Ken Reed
//
// This is free software. You can redistribute it and/or modify it under the
// terms of the GNU General Public License version 2 as published by the Free
// Software Foundation.
// ============================================================================

#include "stdafx.h"

#include <float.h>


// ============================================================================
// Enable exceptions
// ============================================================================

void enable_fp_exceptions()
{
   unsigned int cw = _controlfp( 0, 0 );

   cw &= ~(_EM_OVERFLOW | _EM_UNDERFLOW | _EM_ZERODIVIDE | _EM_DENORMAL);

   _controlfp( cw, MCW_EM );
}