/***************************************************************** * tmn (TMN encoder)  * Copyright (C) 1995 Telenor R&D *                    Karl Olav Lillevold <kol@nta.no>                     * * *****************************************************************/#define sign(a)  	((a) < 0 ? -1 : 1)#define Int(a)          ((a) < 0 ? (int)(a-0.5) : (int)(a))#define mnint(a)	((a) < 0 ? (int)(a - 0.5) : (int)(a + 0.5))#define mfloor(a)       ((a) < 0 ? (int)(a - 0.5) : (int)(a))#define mmax(a, b)  	((a) > (b) ? (a) : (b))#define mmin(a, b)  	((a) < (b) ? (a) : (b))#define limit(x) \{ \    if (x > 255) x = 255; \    if (x <   0)   x = 0; \}