initial commit

lib/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