19 lines
236 B
C++
19 lines
236 B
C++
#pragma once
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#include <cmath>
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#include <cstdlib>
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#include <limits>
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#include <memory>
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// usings
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using std::shared_ptr;
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using std::make_shared;
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using std::sqrt;
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// common headers
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#include "error.h"
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#include "ray.h"
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#include "vec3.h"
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