/*=======================================================================

    Some useful general definitions

    Copyright 1993 (C) David Hinds - All Rights Reserved
    
    Source file umath.h Version 1.1, Updated 3/15/93

=======================================================================*/

/* These macros are significantly faster on the Iris */
#define FABS(a) ((a) > 0 ? (a) : (-a))
#define SQRTABS(a) ((a) > 0 ? sqrt(a) : sqrt(-a))

#ifndef __sgi
#  define fsqrt(a) sqrt(a)
#endif

#define SQR(a) ((a)*(a))
#define DSQR(a) ((dbl_t)(a)*(dbl_t)(a))
#define CUBE(a) ((a)*(a)*(a))

#ifndef MIN
#  define MIN(a,b) (((a)<(b))?(a):(b))
#  define MAX(a,b) (((a)>(b))?(a):(b))
#endif