Change printf to cout to allow support from more compilers.
Change printf to cout to allow support from more compilers.

kvaragan/clSPARSE,jlgreathouse/clSPARSE,jlgreathouse/clSPARSE,kvaragan/clSPARSE,jpola/clSPARSE,kknox/clSPARSE,jpola/clSPARSE,clMathLibraries/clSPARSE,clMathLibraries/clSPARSE,kknox/clSPARSE,ghisvail/clSPARSE,ghisvail/clSPARSE