667e64e1eb
- this exposed a bizarre issue on Mac where dragging in <AGL/agl.h> in extensions.hxx was pulling in all of Carbon to the global namespace - very scary. As a result, I now need to explicitly include CoreFoundation in fg_init.cxx. - change SG_USING_STD(x) to using std::x
34 lines
464 B
C
34 lines
464 B
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#ifdef HAVE_WINDOWS_H
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# include <windows.h>
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#endif
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#include <stdio.h>
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#include <simgear/compiler.h>
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#if defined( __APPLE__)
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# include <OpenGL/OpenGL.h>
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#else
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# include <GL/gl.h>
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#endif
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int main() {
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GLfloat a, t;
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a = 1.0;
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do {
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printf("a = %.10f\n", a);
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a = a / 2.0;
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t = 1.0 + a;
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} while ( t > 1.0 );
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a = a + a;
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printf("Estimated GLfloat epsilon = %.10f\n", a);
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return(0);
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}
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