macros test

stan/math/gpu/kernel_cl.hpp

@@ -139,6 +139,10 @@ class kernel_cl {
                        + std::to_string(this->base_options()[comp_opts]);
       }
     }
+    kernel_opts += std::string(" -DA(i,j)=A[j*rows+i]");
+    kernel_opts += std::string(" -DB(i,j)=B[j*rows+i]");
+    kernel_opts += std::string(" -DC(i,j)=C[j*rows+i]");
+    
     try {
       cl::Program::Sources source(
           1,

stan/math/gpu/kernels/add_matrix_kernel.cl

 #define STRINGIFY(src) #src
 
 STRINGIFY(
-//#ifndef A
-//#define A(i, j)  A[j * rows + i]
-//#endif
-//#ifndef B
-//#define B(i, j)  B[j * rows + i]
-//#endif
-//#ifndef C
-//#define C(i, j)  C[j * rows + i]
-//#endif
 /**
  * Matrix addition on the GPU
  *
@@ -25,7 +16,7 @@ __kernel void add(__global double *C, __global double *A, __global double *B,
   int i = get_global_id(0);
   int j = get_global_id(1);
   if (i < rows && j < cols) {
-    C[j * rows + i] = A[j * rows + i] + B[j * rows + i];
+    C(i, j) = A(i, j) + B(i, j);
   }
 }
 );