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/* (c) 1999-2000 Tino Schwarze, see COPYING for details */
/**@pkg common*/
/**
* locally common definitions, macros and included headers
*
* @pkgdoc common
*/
#ifndef common_h
#define common_h
#include
#include
#include
#if GL_VERSION_1_1
#else
#error This project only works with OpenGL 1.1 or later.
#endif
//#define DEBUG 1
#ifndef DEBUG
#define DEBUG 0
#endif
#ifndef M_PI
/** There seems to be no portable way to get the value of PI! This sucks. */
const GLfloat M_PI = 3.1415926535897932384626433832795029;
#endif
// within which range we consider two floats as equal?
#define FLOAT_EQUAL_RANGE 1e-6
#define FLOATS_EQUAL(a,b) (fabs (a-b) < FLOAT_EQUAL_RANGE)
#ifndef sqr
#define sqr(x) ((x)*(x))
#endif // ifndef sqr
#if DEBUG
#include
#define DEBUG_MSG(x) cerr << x << " in " ## __FILE__ ## " at line " ## '"' ## __LINE__ ## '"';
#define DEBUG_MSG(x) cerr << x << " in " ## __FILE__ ## " at line " ## '"' ## __LINE__ ## '"';
#define DEBUG_OUT(x) cerr << x << endl;
#define DEBUG_OUT2(x,y) cerr << x << y << endl;
#define ENTER_METHOD(classname) cerr << '"' << classname << "\" called, this=" << hex << (void *)this << dec << endl;
#define ENTER_OBJECT_METHOD(classname) \
cerr << "object \"" << GetName() << "\": "; \
ENTER_METHOD(classname)
#else // if DEBUG
#define DEBUG_MSG(x) (void)0
#define DEBUG_OUT(x) (void)0
#define DEBUG_OUT2(x,y) (void)0
#define ENTER_METHOD(classname) (void)0
#define ENTER_OBJECT_METHOD(classname) (void)0
#endif // if DEBUG
#endif // ifndef common_h
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