Found the following significant warnings:
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:20:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:21:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:28:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:35:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:69:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:76:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:83:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:99:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:111:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:119:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:127:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:135:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:143:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:150:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:158:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:169:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:176:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:183:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:190:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:197:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:226:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:246:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:266:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:273:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:280:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:287:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:294:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:310:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:317:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:324:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:331:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:338:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:354:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:365:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:372:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:379:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:386:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:415:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:422:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:429:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:436:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:443:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:454:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:461:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:468:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:475:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:482:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:489:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:496:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:503:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:510:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:521:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:528:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:535:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:542:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:549:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:560:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:567:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:596:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:603:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:610:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:621:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:628:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:639:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:646:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:653:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:669:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:676:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:683:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:690:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:697:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:704:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:715:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:722:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:729:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:736:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/fastmatrix/include/fastmatrix_API.h:747:3: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/L1pack.Rcheck/00install.out’ for details.