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#include <vector.hpp>
#include <common.hpp>
#include <catch2/catch.hpp>
TEST_CASE( "Vector length", "[vector]" ) {
auto vec = Vec3d(2, 4, 4);
REQUIRE(vec.length() == 6);
vec.set(0, 0, 0);
REQUIRE(vec.length() == 0);
vec.set(0, 3.5, 0);
REQUIRE(vec.length() == 3.5);
}
TEST_CASE("Vector_normal", "[vector]") {
auto vec = Vec3d(4, 5, 4545);
REQUIRE(vec.length() != 1.0);
vec.normalize();
REQUIRE(vec.length() - 1.0 < ZERO_APPROX);
vec.set(0, 0, 0);
REQUIRE_THROWS(vec.normalize());
}
TEST_CASE("Vector dot", "[vector]") {
auto a = Vec3d(4, 5, 6);
auto b = Vec3d(1, 2, 3);
REQUIRE(a.dot(b) == 32);
a.set(0, 0, 0);
REQUIRE(a.dot(b) == 0);
a.set(0, 5, 0);
REQUIRE(a.dot(b) == 10);
}
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