- Added error for including of different versions of GLM #619 - Added GLM_FORCE_IGNORE_VERSION to ignore error caused by including different version of GLM #619

glm/common.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/common.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/func_common.hpp"

glm/detail/func_exponential.inl

@@ -20,7 +20,7 @@ namespace detail
 		}
 #	endif
 
-	template<length_t L, typename T, precision P, template<int, class, precision> class vecType, bool isFloat, bool Aligned>
+	template<length_t L, typename T, precision P, template<length_t, class, precision> class vecType, bool isFloat, bool Aligned>
 	struct compute_log2
 	{
 		GLM_FUNC_QUALIFIER static vec<L, T, P> call(vec<L, T, P> const& v)

glm/detail/func_matrix.hpp

@@ -111,7 +111,7 @@ namespace detail
 	///
 	/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/outerProduct.xml">GLSL outerProduct man page</a>
 	/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.6 Matrix Functions</a>
-	template<int DA, int DB, typename T, precision P, template<length_t, typename, precision> class vecTypeA, template<length_t, typename, precision> class vecTypeB>
+	template<length_t DA, length_t DB, typename T, precision P, template<length_t, typename, precision> class vecTypeA, template<length_t, typename, precision> class vecTypeB>
 	GLM_FUNC_DECL typename detail::outerProduct_trait<DA, DB, T, P, vecTypeA, vecTypeB>::type outerProduct(vecTypeA<DA, T, P> const & c, vecTypeB<DB, T, P> const & r);
 
 	/// Returns the transposed matrix of x

glm/detail/func_matrix.inl

@@ -362,7 +362,7 @@ namespace detail
 		return detail::compute_matrixCompMult<matType, C, R, T, P, detail::is_aligned<P>::value>::call(x, y);
 	}
 
-	template<int DA, int DB, typename T, precision P, template<length_t, typename, precision> class vecTypeA, template<length_t, typename, precision> class vecTypeB>
+	template<length_t DA, length_t DB, typename T, precision P, template<length_t, typename, precision> class vecTypeA, template<length_t, typename, precision> class vecTypeB>
 	GLM_FUNC_QUALIFIER typename detail::outerProduct_trait<DA, DB, T, P, vecTypeA, vecTypeB>::type outerProduct(vecTypeA<DA, T, P> const & c, vecTypeB<DB, T, P> const & r)
 	{
 		GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559 || GLM_UNRESTRICTED_GENTYPE, "'outerProduct' only accept floating-point inputs");

glm/detail/setup.hpp

@@ -1,12 +1,23 @@
 /// @ref core
 /// @file glm/detail/setup.hpp
 
-#pragma once
+#ifndef GLM_SETUP_INCLUDED
+
+#define GLM_VERSION_MAJOR			0
+#define GLM_VERSION_MINOR			9
+#define GLM_VERSION_PATCH			9
+#define GLM_VERSION_REVISION		0
+#define GLM_VERSION					990
+
+#define GLM_SETUP_INCLUDED GLM_VERSION
 
 #if defined(GLM_FORCE_SWIZZLE) && defined(GLM_FORCE_UNRESTRICTED_GENTYPE)
 #	error "Both GLM_FORCE_SWIZZLE and GLM_FORCE_UNRESTRICTED_GENTYPE can't be defined at the same time"
 #endif
 
+#include <cassert>
+#include <cstddef>
+
 ///////////////////////////////////////////////////////////////////////////////////
 // Messages
 
@@ -19,19 +30,14 @@
 #	define GLM_MESSAGES GLM_MESSAGES_DISABLE
 #endif
 
-#include <cassert>
+///////////////////////////////////////////////////////////////////////////////////
-#include <cstddef>
+// Detect the platform
+
 #include "../simd/platform.h"
 
 ///////////////////////////////////////////////////////////////////////////////////
 // Version
 
-#define GLM_VERSION					99
-#define GLM_VERSION_MAJOR			0
-#define GLM_VERSION_MINOR			9
-#define GLM_VERSION_PATCH			9
-#define GLM_VERSION_REVISION		0
-
 #if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_MESSAGE_VERSION_DISPLAYED)
 #	define GLM_MESSAGE_VERSION_DISPLAYED
 #	pragma message ("GLM: version 0.9.9.0")
@@ -731,9 +737,11 @@
 #define GLM_HAS_ALIGNED_TYPE GLM_HAS_UNRESTRICTED_UNIONS
 
 ///////////////////////////////////////////////////////////////////////////////////
-// Length type
+// Length type: all length functions returns a length_t type.
+// When GLM_FORCE_SIZE_T_LENGTH is defined, length_t is a typedef of size_t otherwise
+// length_t is a typedef of int like GLSL defines it.
 
-// User defines: GLM_FORCE_SIZE_T_LENGTH GLM_FORCE_SIZE_FUNC
+// User define: GLM_FORCE_SIZE_T_LENGTH
 
 namespace glm
 {
@@ -784,3 +792,12 @@ namespace glm
 {
 	enum ctor{uninitialize};
 }//namespace glm
+
+///////////////////////////////////////////////////////////////////////////////////
+// Check inclusions of different versions of GLM
+
+#elif ((GLM_SETUP_INCLUDED != GLM_VERSION) && !defined(GLM_FORCE_IGNORE_VERSION))	
+#	error "GLM error: A different version of GLM is already included. Define GLM_FORCE_IGNORE_VERSION before including GLM headers to ignore this error."
+#elif GLM_SETUP_INCLUDED == GLM_VERSION
+
+#endif//GLM_SETUP_INCLUDED

glm/detail/type_mat.hpp

@@ -8,7 +8,7 @@
 namespace glm{
 namespace detail
 {
-	template<int Columns, int Rows, typename T, precision P, template<int, class, precision> class colType, template<int, class, precision> class rowType>
+	template<length_t Columns, length_t Rows, typename T, precision P, template<length_t, class, precision> class colType, template<length_t, class, precision> class rowType>
 	struct outerProduct_trait{};
 }//namespace detail
 

glm/exponential.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/exponential.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/func_exponential.hpp"

glm/ext.hpp

@@ -25,6 +25,8 @@
 /// at once by including <glm/ext.hpp>. Otherwise, each extension needs to be 
 /// included  a specific file.
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "glm.hpp"

glm/fwd.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/fwd.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/type_int.hpp"

glm/geometric.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/geometric.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/func_geometric.hpp"

glm/glm.hpp

@@ -51,6 +51,8 @@
 
 #include "detail/_fixes.hpp"
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include <cmath>

glm/gtc/bitfield.hpp

@@ -11,10 +11,11 @@
 /// 
 /// <glm/gtc/bitfield.hpp> need to be included to use these functionalities.
 
+#include "../detail/setup.hpp"
+
 #pragma once
 
 // Dependencies
-#include "../detail/setup.hpp"
 #include "../detail/precision.hpp"
 #include "../detail/type_int.hpp"
 #include "../detail/_vectorize.hpp"

glm/gtc/random.hpp

@@ -32,10 +32,10 @@ namespace glm
 	/// @param Max 
 	/// @tparam genType Value type. Currently supported: float or double scalars.
 	/// @see gtc_random
-	template<typename genTYpe>
+	template<typename genType>
-	GLM_FUNC_DECL genTYpe linearRand(
+	GLM_FUNC_DECL genType linearRand(
-		genTYpe Min,
+		genType Min,
-		genTYpe Max);
+		genType Max);
 
 	/// Generate random numbers in the interval [Min, Max], according a linear distribution 
 	/// 

glm/gtc/random.inl

@@ -10,7 +10,7 @@
 namespace glm{
 namespace detail
 {
-	template<length_t L, typename T, precision P, template<int, class, precision> class vecType>
+	template<length_t L, typename T, precision P, template<length_t, class, precision> class vecType>
 	struct compute_rand
 	{
 		GLM_FUNC_QUALIFIER static vecType<L, T, P> call();

glm/integer.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/integer.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/func_integer.hpp"

glm/mat2x2.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/mat2x2.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/type_mat2x2.hpp"

glm/mat2x3.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/mat2x3.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/type_mat2x3.hpp"

glm/mat2x4.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/mat2x4.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/type_mat2x4.hpp"

glm/mat3x2.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/mat3x2.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/type_mat3x2.hpp"

glm/mat3x3.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/mat3x3.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/type_mat3x3.hpp"

glm/mat3x4.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/mat3x4.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/type_mat3x4.hpp"

glm/mat4x2.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/mat4x2.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/type_mat4x2.hpp"

glm/mat4x3.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/mat4x3.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/type_mat4x3.hpp"

glm/mat4x4.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/mat4x4.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/type_mat4x4.hpp"

glm/matrix.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/matrix.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/func_matrix.hpp"

glm/packing.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/packing.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/func_packing.hpp"

glm/trigonometric.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/trigonometric.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/func_trigonometric.hpp"

glm/vec2.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/vec2.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/type_vec2.hpp"

glm/vec3.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/vec3.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/type_vec3.hpp"

glm/vec4.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/vec4.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/type_vec4.hpp"

glm/vector_relational.hpp

@@ -1,6 +1,8 @@
 /// @ref core
 /// @file glm/vector_relational.hpp
 
+#include "detail/setup.hpp"
+
 #pragma once
 
 #include "detail/func_vector_relational.hpp"

readme.md

@@ -69,6 +69,8 @@ glm::mat4 camera(float Translate, glm::vec2 const & Rotate)
 - Optimized GTX_matrix_interpolation axisAngle function
 - Added FAQ 12: Windows headers cause build errors... #557
 - Removed GCC shadow warnings #595
+- Added error for including of different versions of GLM #619
+- Added GLM_FORCE_IGNORE_VERSION to ignore error caused by including different version of GLM #619 
 
 #### Fixes:
 - Removed doxygen references to GTC_half_float which was removed in 0.9.4