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diff --git a/external/include/glm/gtx/common.inl b/external/include/glm/gtx/common.inl
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+/// @ref gtx_common
+/// @file glm/gtx/common.inl
+
+#include <cmath>
+
+namespace glm{
+namespace detail
+{
+ template <typename T, precision P, template <class, precision> class vecType, bool isFloat = true>
+ struct compute_fmod
+ {
+ GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & a, vecType<T, P> const & b)
+ {
+ return detail::functor2<T, P, vecType>::call(std::fmod, a, b);
+ }
+ };
+
+ template <typename T, precision P, template <class, precision> class vecType>
+ struct compute_fmod<T, P, vecType, false>
+ {
+ GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & a, vecType<T, P> const & b)
+ {
+ return a % b;
+ }
+ };
+}//namespace detail
+
+ template <typename T>
+ GLM_FUNC_QUALIFIER bool isdenormal(T const & x)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
+
+# if GLM_HAS_CXX11_STL
+ return std::fpclassify(x) == FP_SUBNORMAL;
+# else
+ return x != static_cast<T>(0) && std::fabs(x) < std::numeric_limits<T>::min();
+# endif
+ }
+
+ template <typename T, precision P>
+ GLM_FUNC_QUALIFIER typename tvec1<T, P>::bool_type isdenormal
+ (
+ tvec1<T, P> const & x
+ )
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
+
+ return typename tvec1<T, P>::bool_type(
+ isdenormal(x.x));
+ }
+
+ template <typename T, precision P>
+ GLM_FUNC_QUALIFIER typename tvec2<T, P>::bool_type isdenormal
+ (
+ tvec2<T, P> const & x
+ )
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
+
+ return typename tvec2<T, P>::bool_type(
+ isdenormal(x.x),
+ isdenormal(x.y));
+ }
+
+ template <typename T, precision P>
+ GLM_FUNC_QUALIFIER typename tvec3<T, P>::bool_type isdenormal
+ (
+ tvec3<T, P> const & x
+ )
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
+
+ return typename tvec3<T, P>::bool_type(
+ isdenormal(x.x),
+ isdenormal(x.y),
+ isdenormal(x.z));
+ }
+
+ template <typename T, precision P>
+ GLM_FUNC_QUALIFIER typename tvec4<T, P>::bool_type isdenormal
+ (
+ tvec4<T, P> const & x
+ )
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
+
+ return typename tvec4<T, P>::bool_type(
+ isdenormal(x.x),
+ isdenormal(x.y),
+ isdenormal(x.z),
+ isdenormal(x.w));
+ }
+
+ // fmod
+ template <typename genType>
+ GLM_FUNC_QUALIFIER genType fmod(genType x, genType y)
+ {
+ return fmod(tvec1<genType>(x), y).x;
+ }
+
+ template <typename T, precision P, template <typename, precision> class vecType>
+ GLM_FUNC_QUALIFIER vecType<T, P> fmod(vecType<T, P> const & x, T y)
+ {
+ return detail::compute_fmod<T, P, vecType, std::numeric_limits<T>::is_iec559>::call(x, vecType<T, P>(y));
+ }
+
+ template <typename T, precision P, template <typename, precision> class vecType>
+ GLM_FUNC_QUALIFIER vecType<T, P> fmod(vecType<T, P> const & x, vecType<T, P> const & y)
+ {
+ return detail::compute_fmod<T, P, vecType, std::numeric_limits<T>::is_iec559>::call(x, y);
+ }
+}//namespace glm