X-Git-Url: https://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fgraphics%2Fglm.hpp;h=8003f0b751ada30fa9aff5fe6bea160afd2eb497;hb=3b0a4ba59825b2d6a47e9d997736742edf55240c;hp=1c39ba5e059ae75ff48d187d0a022b1fbb8154fd;hpb=be413456f57da06e918ae7bf4c4f35e5198ff7ce;p=blobs.git

diff --git a/src/graphics/glm.hpp b/src/graphics/glm.hpp
index 1c39ba5..8003f0b 100644
--- a/src/graphics/glm.hpp
+++ b/src/graphics/glm.hpp
@@ -5,7 +5,10 @@
 #  define GLM_FORCE_RADIANS 1
 #endif
 
+#include <limits>
 #include <glm/glm.hpp>
+#include <glm/gtx/norm.hpp>
+#include <glm/gtx/component_wise.hpp>
 
 // GLM moved tvec[1234] from glm::detail to glm in 0.9.6
 
@@ -20,4 +23,17 @@ namespace glm {
 
 #endif
 
+template <class T>
+inline bool allzero(const T &v) noexcept {
+	return glm::length2(v) <
+		std::numeric_limits<typename T::value_type>::epsilon()
+		* std::numeric_limits<typename T::value_type>::epsilon();
+}
+
+template <class T>
+inline bool anynan(const T &v) noexcept {
+	return glm::any(glm::isnan(v));
+}
+
+
 #endif