8e80217e59
Former-commit-id:a02aeb236c[formerly9f19e3f712] [formerly06a8b51d6d[formerly 64fa9254b946eae7e61bbc3f513b7c3696c4f54f]] Former-commit-id:06a8b51d6dFormer-commit-id:3360eb6c5f
69 lines
1.3 KiB
C
69 lines
1.3 KiB
C
#ifndef LINE_SEGMENT_H
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#define LINE_SEGMENT_H
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#include "stdlib.h"
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#include "stdio.h"
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#include "string.h"
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#include "math.h"
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#include "GeoArea.h" /* database functions */
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#include "geoutil.h" /* utilities */
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#include "linesegs_defs.h"
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/* prototypes */
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int pointsEqual(Point p1, Point p2);
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LineSegment * getSegmentsFromPoints(Point *points,
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long numPoints,
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long *numSegments);
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void initLineSegment(Point p1,
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Point p2,
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LineSegment *s);
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void getLineSegmentRelationship(LineSegment s1,
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LineSegment s2,
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int *intersect,
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int *overlap,
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Point *intersectPoint);
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double evaluateLineSegmentAtX(LineSegment segment,
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double x,
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int *isVertical,
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int *badDomain);
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void getIntersectionOfSegments(LineSegment s1,
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LineSegment s2,
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int *intersect,
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Point *p);
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Point * getIntersectionPoints(LineSegment s,
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const LineSegment segments[],
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long numSegments,
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long *numPoints);
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void getXYMaxMin(const LineSegment segments[],
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long numSegments,
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Point *max,
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Point *min);
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void printPoint(Point point);
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void printLineSegment(LineSegment s);
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int isBetweenInclusive(double x, double start, double end);
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double minDouble(double num1, double num2);
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double maxDouble(double num1, double num2);
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#endif
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