Move vector types to a public header

CMakeLists.txt

@@ -275,6 +275,7 @@ add_library(
     ${PROJECT_SOURCE_DIR}/include/mbgl/util/unitbezier.hpp
     ${PROJECT_SOURCE_DIR}/include/mbgl/util/util.hpp
     ${PROJECT_SOURCE_DIR}/include/mbgl/util/variant.hpp
+    ${PROJECT_SOURCE_DIR}/include/mbgl/util/vectors.hpp
     ${PROJECT_SOURCE_DIR}/include/mbgl/util/work_request.hpp
     ${PROJECT_SOURCE_DIR}/include/mbgl/util/work_task.hpp
     ${PROJECT_SOURCE_DIR}/include/mbgl/util/work_task_impl.hpp

include/mbgl/util/vectors.hpp

@@ -0,0 +1,13 @@
+#pragma once
+
+#include <array>
+
+namespace mbgl {
+
+using vec2 = std::array<double, 2>;
+using vec3 = std::array<double, 3>;
+using vec3f = std::array<float, 3>;
+using vec3i = std::array<int, 3>;
+using vec4 = std::array<double, 4>;
+
+} // namespace mbgl

src/mbgl/util/mat3.hpp

@@ -24,12 +24,10 @@
 
 #include <array>
 #include <cmath>
+#include <mbgl/util/vectors.hpp>
 
 namespace mbgl {
 
-using vec3 = std::array<double, 3>;
-using vec3f = std::array<float, 3>;
-using vec3i = std::array<int, 3>;
 using mat3 = std::array<double, 9>;
 
 inline vec3 vec3Cross(const vec3& a, const vec3& b) {

src/mbgl/util/mat4.hpp

@@ -23,10 +23,10 @@
 #pragma once
 
 #include <array>
+#include <mbgl/util/vectors.hpp>
 
 namespace mbgl {
 
-using vec4 = std::array<double, 4>;
 using mat4 = std::array<double, 16>;
 
 namespace matrix {