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30 lines
471 B
C
30 lines
471 B
C
#ifndef ARRAY_H
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#define ARRAY_H
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#include <limits.h>
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#define UNDEF INT_MAX
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struct array {
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int min_x, max_x;
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int min_y, max_y;
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int min_z, max_z;
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int *data; /* NULL if there are no points */
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};
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struct array *new_array(void);
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void free_array(struct array *a);
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void set(struct array *a, int x, int y, int z);
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static inline int get(const struct array *a, int x, int y)
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{
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return a->data[(x)-a->min_x+(a->max_x-a->min_x+1)*((y)-a->min_y)];
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}
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#endif /* ARRAY_H */
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