A5/ScaleneTriangle.cpp

#include "ScaleneTriangle.h"

#include "GeometryUtils.h"

bool ScaleneTriangle::validate() {
  double sideOne = calculate_distance(mVertices[0], mVertices[1]);
  double sideTwo = calculate_distance(mVertices[1], mVertices[2]);
  double sideThree = calculate_distance(mVertices[2], mVertices[0]);

  // Scalene triangles must (a) Be a triangle and (b) Have no sides that equal
  // each other
  return lengths_make_triangle(sideOne, sideTwo, sideThree) &&
         (!double_eq(sideOne, sideTwo) && !double_eq(sideTwo, sideThree) &&
          !double_eq(sideThree, sideOne));
}