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Diffstat (limited to 'src/include/glm/gtx/common.inl')
| -rw-r--r-- | src/include/glm/gtx/common.inl | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/include/glm/gtx/common.inl b/src/include/glm/gtx/common.inl new file mode 100644 index 0000000..a5be4d4 --- /dev/null +++ b/src/include/glm/gtx/common.inl @@ -0,0 +1,125 @@ +/// @ref gtx_common
+
+#include <cmath>
+#include "../gtc/epsilon.hpp"
+#include "../gtc/constants.hpp"
+
+namespace glm{
+namespace detail
+{
+ template<length_t L, typename T, qualifier Q, bool isFloat = true>
+ struct compute_fmod
+ {
+ GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& a, vec<L, T, Q> const& b)
+ {
+ return detail::functor2<vec, L, T, Q>::call(std::fmod, a, b);
+ }
+ };
+
+ template<length_t L, typename T, qualifier Q>
+ struct compute_fmod<L, T, Q, false>
+ {
+ GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& a, vec<L, T, Q> 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 epsilonNotEqual(x, static_cast<T>(0), epsilon<T>()) && std::fabs(x) < std::numeric_limits<T>::min();
+# endif
+ }
+
+ template<typename T, qualifier Q>
+ GLM_FUNC_QUALIFIER typename vec<1, T, Q>::bool_type isdenormal
+ (
+ vec<1, T, Q> const& x
+ )
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
+
+ return typename vec<1, T, Q>::bool_type(
+ isdenormal(x.x));
+ }
+
+ template<typename T, qualifier Q>
+ GLM_FUNC_QUALIFIER typename vec<2, T, Q>::bool_type isdenormal
+ (
+ vec<2, T, Q> const& x
+ )
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
+
+ return typename vec<2, T, Q>::bool_type(
+ isdenormal(x.x),
+ isdenormal(x.y));
+ }
+
+ template<typename T, qualifier Q>
+ GLM_FUNC_QUALIFIER typename vec<3, T, Q>::bool_type isdenormal
+ (
+ vec<3, T, Q> const& x
+ )
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
+
+ return typename vec<3, T, Q>::bool_type(
+ isdenormal(x.x),
+ isdenormal(x.y),
+ isdenormal(x.z));
+ }
+
+ template<typename T, qualifier Q>
+ GLM_FUNC_QUALIFIER typename vec<4, T, Q>::bool_type isdenormal
+ (
+ vec<4, T, Q> const& x
+ )
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
+
+ return typename vec<4, T, Q>::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(vec<1, genType>(x), y).x;
+ }
+
+ template<length_t L, typename T, qualifier Q>
+ GLM_FUNC_QUALIFIER vec<L, T, Q> fmod(vec<L, T, Q> const& x, T y)
+ {
+ return detail::compute_fmod<L, T, Q, std::numeric_limits<T>::is_iec559>::call(x, vec<L, T, Q>(y));
+ }
+
+ template<length_t L, typename T, qualifier Q>
+ GLM_FUNC_QUALIFIER vec<L, T, Q> fmod(vec<L, T, Q> const& x, vec<L, T, Q> const& y)
+ {
+ return detail::compute_fmod<L, T, Q, std::numeric_limits<T>::is_iec559>::call(x, y);
+ }
+
+ template <length_t L, typename T, qualifier Q>
+ GLM_FUNC_QUALIFIER vec<L, bool, Q> openBounded(vec<L, T, Q> const& Value, vec<L, T, Q> const& Min, vec<L, T, Q> const& Max)
+ {
+ return greaterThan(Value, Min) && lessThan(Value, Max);
+ }
+
+ template <length_t L, typename T, qualifier Q>
+ GLM_FUNC_QUALIFIER vec<L, bool, Q> closeBounded(vec<L, T, Q> const& Value, vec<L, T, Q> const& Min, vec<L, T, Q> const& Max)
+ {
+ return greaterThanEqual(Value, Min) && lessThanEqual(Value, Max);
+ }
+}//namespace glm
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