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- // -*- C++ -*-
- // basic.h by George Vanecek, Jr. June 1994
-
- #ifndef _BASIC_H_
- #define _BASIC_H_
-
- #ifndef _IOSTREAM_H
- #include <ostream.h>
- #endif
-
- #ifndef __MATH_H__
- #include <math.h>
- #endif
-
- #ifndef _ASSERT_H_
- #include <assert.h>
- #endif
-
- typedef int Counter; // 0,1,2,...
- typedef int Index; // Array Index: 0,1,2,...
- enum Boolean { FALSE, TRUE };
- enum Where { // Point/Plane Classification
- NOWHERE,
- ABOVE = 0x01,
- ON = 0x02,
- ONABOVE = 0x03, // ON | ABOVE
- BELOW = 0x04,
- ABOVEBELOW = 0x05, // ABOVE | BELOW
- ONBELOW = 0x06, // ON | BELOW
- CROSS = 0x07 // ABOVE | ON | BELOW
- };
-
- template<class Type>
- inline void swap( Type& a, Type& b )
- {
- const Type c = a;
- a = b;
- b = c;
- }
-
- #ifndef NULL
- #define NULL 0
- #endif
-
- #endif
-