better GSMat diagnostics
better GSMat diagnostics

phlip9/BIDMat,codeaudit/BIDMat,phlip9/BIDMat,codeaudit/BIDMat,codeaudit/BIDMat,phlip9/BIDMat,phlip9/BIDMat,phlip9/BIDMat,codeaudit/BIDMat,codeaudit/BIDMat