CellDotNet doesn't support simple (not jagged) 2D arrays

[Nick]

For arrays like

int[,] A

CellDotNet reports:

$ mono MatrixMultCell.exe 100 1
N = 100 P = 1

Unhandled Exception: System.NotSupportedException: Only 1D arrays are
supported.
at CellDotNet.Intermediate.TypeDeriver.GetStackTypeDescription
(System.Type type) [0x00000]
at CellDotNet.Spe.MethodCompiler.PerformIRTreeConstruction ()
[0x00000]
at CellDotNet.Spe.MethodCompiler..ctor (System.Reflection.MethodBase
method) [0x00000]
at CellDotNet.CompileContext.CreateMethodCompiler
(System.Reflection.MethodBase method, System.String methodKey,
System.Collections.Generic.Dictionary`2 instructionsToPatch,
System.Collections.Generic.Dictionary`2 methodsToCompile) [0x00000]
at CellDotNet.CompileContext.PerformRecursiveMethodTreesConstruction
() [0x00000]
at CellDotNet.CompileContext.PerformProcessing (CompileContextState
targetState) [0x00000]
at CellDotNet.SpeContext.RunProgram (System.Delegate delegateToRun,
System.Object[] arguments) [0x00000]
at MatrixMultThread.run () [0x00000]