* [BUG FIX] ICB using rvec/select: rvec/select turned to integer. bool should be, but, is not always supported (depend on compiler, options). * [CLEAN] arpackSolver API: clean + more convenient.
* [BUG FIX] ICB using rvec/select: rvec/select turned to integer. bool should be, but, is not always supported (depend on compiler, options). * [CLEAN] arpackSolver API: clean + more convenient.