#if !defined UTILITY_H
#define UTILITY_H// diverse utility functions


// Abs()
// Sign()
// Max(a,b)		returns the max of a and b
// Round(x,n)	rundet auf n Stellen nach dem Komma
// triml()		returns string without leading blanks
///////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
/* CVS history
$Author: halo $ at $Date: 1999-09-29 18:21:21 $
$Revision: 1.1 $
////////////////////////////////////////////////////////////////////////////////
// M.D. 14/11/96
// M.D. 29/1/97  Max added
//$Log: not supported by cvs2svn $
//Revision 1.4  1997/12/05 12:40:36  dahlinge
//utility.h: #define added
//getGeoParam: bug fixed after change of database table layout
//(In Geometry_objects_had the column trans_index was removed)
//
 * Revision 1.3  1997/09/08  08:17:34  dahlinge
 * cvs keyword expansions corrected
 *
*/
////////////////////////////////////////////////////////////////////////////////

template <class T> inline
T Abs(T a){
	return (a>0) ? a : -a;}

template <class T> inline
int Sign(T a){
	return (a>=0) ? 1 : -1;}

template <class T> inline
T Round(T a, int n){
		return Sign(a)*(floor(Abs(a)*pow(10,n) + 0.5) / pow(10,n));
}
template <class T> inline
T Max(T a, T b){
	return (a>b) ? a : b;}

//######################### triml #########################

// returns string without leading blanks
inline char* triml(char* c){
	size_t n;
	for (n=0; n < strlen(c); n++){
		if (c[n] != ' ' && c[n] !='\t' && c[n])
			break;
		
	}
	return (char*)(c+n);
}

#endif