int main(int argc, char* argv[]) {
long long x1 = atof(argv[1]);
long long y1 = atof(argv[2]);
long long x2 = atof(argv[3]);
long long y2 = atof(argv[4]);
long long x3 = atof(argv[5]);
long long y3 = atof(argv[6]);
double x1_x2_length = get_side_length(x2, x1, y2, y1);
double x2_x3_length = get_side_length(x3, x2, y3, y2);
double x1_x3_length = get_side_length(x3, x1, y3, y1);
double x1_x2_angle = get_angle(x1_x2_length, x2_x3_length, x1_x3_length);
double x2_x3_angle = get_angle(x2_x3_length, x1_x3_length, x1_x2_length);
double x1_x3_angle = get_angle(x1_x3_length, x1_x2_length, x2_x3_length);
if(!is_a_triangle(x1_x2_length, x2_x3_length, x1_x3_length)) {
printf("not a triangle\n");
exit(0);
}
if(is_scalene(x1_x2_length, x2_x3_length, x1_x3_length))
printf("scalene ");
else
printf("isosceles ");
if(is_right(x1_x2_length, x2_x3_length, x1_x3_length))
printf("right\n");
if(is_acute(x1_x2_angle, x2_x3_angle, x1_x3_angle))
printf("acute\n");
else
printf("obtuse\n");
/*printf("x1_x2_length: %f\n", x1_x2_length);
printf("x2_x3_length: %f\n", x2_x3_length);
printf("x1_x3_length: %f\n", x1_x3_length);
printf("x1_x2_angle: %f\n", x1_x2_angle);
printf("x2_x3_angle: %f\n", x2_x3_angle);
printf("x1_x3_angle: %f\n", x1_x3_angle);*/
return 0;
}
/*******************************************************************************************
* NAME : print_classification()
*
* DESCRIPTION : Prints the classification of the triangle to the console.
* Eg: "isosceles right\n", or "scalene obtuse\n", etc.
*/
void print_classification(void) {
if (is_isosceles()) {
printf("isosceles ");
} else if (is_scalene()) {
printf("scalene ");
} else {
assert(0); /* something went horribly wrong, didn't it */
}
if (is_acute()) {
printf("acute\n");
} else if (is_right()) {
printf("right\n");
} else if (is_obtuse()) {
printf("obtuse\n");
} else {
assert(0); /* something went horribly wrong, didn't it */
}
return;
}