#version 110

#define ON

float sum = 0.0;

void main()
{

#ifdef ON
//yes
sum += 1.0;
#endif

#ifdef OFF
//no
sum += 20.0;
#endif

#if defined(ON)
//yes
sum += 300.0;
#endif

#if defined(OFF)
//no
sum += 4000.0;
#endif

#if !defined(ON)
//no
sum += 50000.0;
#endif

#ifndef OFF
//yes
sum += 600000.0;
#else
//no
sum += 0.6;
#endif

#if defined(ON) && defined(OFF)
//no
sum += 0.7;
#elif !defined(OFF)
//yes
sum += 7000000.0;
#endif

#if defined(ON) && !defined(OFF)
//yes
sum += 80000000.0;
#endif

#if defined(OFF) || defined(ON)
//yes
sum += 900000000.0;
#endif

#if NEVER_DEFINED
//no
sum += 0.04;
#else
sum += 0.05;
#endif

// sum should be 987600301.7
    gl_Position = vec4(sum);
}

#define A 0
#define B 0
#define C 0

#if (A == B) || (A == C)
#error good1
#endif

#if A == B || (A == C)
#error good2
#endif

#if (A == B || (A == C))
#error good3
#endif

#if (AA == BB) || (AA == CC)
#error good4
#endif

#if AA == BB || (AA == CC)
#error good5
#endif

#if ((AA == BB || (AA == CC)))
#error good6
#endif

#if (A == B || (A == C)
#error bad1
#endif

#if A == B || A == C)
#error bad2
#endif

#if (A == B || (A == C)
#error bad3
#endif

#if AA == BB) || (AA == CC)
#error bad4
#endif

#if AA == BB || (AA == CC
#error bad5
#endif

#if ((AA == BB || (AA == CC))))
#error bad6
#endif

#define PASTE(a,b) a ## b
float PASTE(tod, ay) = 17;