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-rw-r--r--external/include/glm/gtx/scalar_multiplication.hpp22
1 files changed, 14 insertions, 8 deletions
diff --git a/external/include/glm/gtx/scalar_multiplication.hpp b/external/include/glm/gtx/scalar_multiplication.hpp
index 695e841..b73edf6 100644
--- a/external/include/glm/gtx/scalar_multiplication.hpp
+++ b/external/include/glm/gtx/scalar_multiplication.hpp
@@ -2,7 +2,9 @@
/// @file glm/gtx/scalar_multiplication.hpp
/// @author Joshua Moerman
///
-/// @brief Enables scalar multiplication for all types
+/// Include <glm/gtx/scalar_multiplication.hpp> to use the features of this extension.
+///
+/// Enables scalar multiplication for all types
///
/// Since GLSL is very strict about types, the following (often used) combinations do not work:
/// double * vec4
@@ -14,6 +16,10 @@
#include "../detail/setup.hpp"
+#ifndef GLM_ENABLE_EXPERIMENTAL
+# error "GLM: GLM_GTX_scalar_multiplication is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it."
+#endif
+
#if !GLM_HAS_TEMPLATE_ALIASES && !(GLM_COMPILER & GLM_COMPILER_GCC)
# error "GLM_GTX_scalar_multiplication requires C++11 support or alias templates and if not support for GCC"
#endif
@@ -26,28 +32,28 @@
namespace glm
{
- template <typename T, typename Vec>
+ template<typename T, typename Vec>
using return_type_scalar_multiplication = typename std::enable_if<
!std::is_same<T, float>::value // T may not be a float
&& std::is_arithmetic<T>::value, Vec // But it may be an int or double (no vec3 or mat3, ...)
>::type;
#define GLM_IMPLEMENT_SCAL_MULT(Vec) \
- template <typename T> \
+ template<typename T> \
return_type_scalar_multiplication<T, Vec> \
- operator*(T const & s, Vec rh){ \
+ operator*(T const& s, Vec rh){ \
return rh *= static_cast<float>(s); \
} \
\
- template <typename T> \
+ template<typename T> \
return_type_scalar_multiplication<T, Vec> \
- operator*(Vec lh, T const & s){ \
+ operator*(Vec lh, T const& s){ \
return lh *= static_cast<float>(s); \
} \
\
- template <typename T> \
+ template<typename T> \
return_type_scalar_multiplication<T, Vec> \
- operator/(Vec lh, T const & s){ \
+ operator/(Vec lh, T const& s){ \
return lh *= 1.0f / s; \
}