Implement MatSparse<GPU2>::real, updating to gpu_mod@748e3c93.

gpu_mod @ 748e3c93

-Subproject commit b98b78f39270ef4eb03b48c5c9fbab563648a072
+Subproject commit 748e3c939089f7b4d0d81cdd618758698762297c

src/faust_linear_operator/GPU2/faust_MatSparse_gpu.cpp.in

@@ -503,4 +503,15 @@ namespace Faust
 		{
 			return this->getNonZeros()*(sizeof(FSFG)+sizeof(int))+(this->getNbRow()+1)*sizeof(int);
 		}
+
+		template<>
+		void Faust::MatSparse<@FAUST_SCALAR_FOR_GM@,GPU2>::real(Faust::MatSparse<Real<@FAUST_SCALAR_FOR_GM@>, GPU2>& real_mat) const
+		{
+			auto spm_funcs = GPUModHandler::get_singleton()->spm_funcs(@FAUST_SCALAR_FOR_GM@(0));
+			auto real_gpu_mat = spm_funcs->real(gpu_mat);
+			if(real_mat.gpu_mat != nullptr)
+				spm_funcs->free(real_mat.gpu_mat);
+			real_mat.gpu_mat = real_gpu_mat;
+		}
+
 };

src/faust_linear_operator/GPU2/faust_MatSparse_gpu.h

@@ -18,6 +18,7 @@ namespace Faust
 
 			friend Transform<FPP,GPU2>; // need to access to get_gpu_mat_ptr
 			friend MatDense<FPP,GPU2>;
+			friend MatSparse<std::complex<double>,GPU2>; // TODO limit to real function
 			public:
 				/** \brief Inits from CPU buffers.
 				 *
@@ -82,6 +83,7 @@ namespace Faust
 				void set(int32_t nnz, int32_t nrows, int32_t ncols, FPP* values, size_t* rowptr, size_t* colids);
 				MatSparse<FPP, GPU2>* clone(const int32_t dev_id=-1, const void* stream=nullptr) const;
 				MatGeneric<FPP,GPU2>* Clone(const bool isOptimize=false) const;
+				void real(MatSparse<Real<FPP>, GPU2>& real_mat) const;
 				void move(const int32_t dev_id=-1, const void* stream=nullptr);
 				int32_t getNbRow() const;
 				int32_t getNbCol() const;