#ifdef HAVE_CONFIG_H # include #endif #ifdef HAVE_WINDOWS_H # include #endif #include #include #include SG_GLUT_H int main() { GLfloat a, t; a = 1.0; do { printf("a = %.10f\n", a); a = a / 2.0; t = 1.0 + a; } while ( t > 1.0 ); a = a + a; printf("Estimated GLfloat epsilon = %.10f\n", a); return(0); }