Add fvec doxygen

diff --git a/src/gromacs/nbnxm/opencl/nbnxm_ocl_kernel_utils.clh b/src/gromacs/nbnxm/opencl/nbnxm_ocl_kernel_utils.clh
index 1b7ed8478abe06464a0c4da06403cde0646d46fc..f03706f23849e527e34e91aa9ca7329ee12f4f00 100644 (file)
--- a/src/gromacs/nbnxm/opencl/nbnxm_ocl_kernel_utils.clh
+++ b/src/gromacs/nbnxm/opencl/nbnxm_ocl_kernel_utils.clh
@@ -122,6 +122,9 @@
 #        define gmx_unused
 #    endif
 
+/*! \brief Single precision floating point short vector type (as rvec in the CPU codebase).
+ *   Currently only used to avoid float3 register arrays.
+ */
 typedef float fvec[3];
 
 // Data structures shared between OpenCL device code and OpenCL host code