Found the following significant warnings:
  bd0.c:396:32: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘double’ [-Wformat=]
  bd0.c:396:42: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘R_xlen_t’ {aka ‘long int’} [-Wformat=]
  bd0.c:396:53: warning: format ‘%g’ expects argument of type ‘double’, but argument 4 has type ‘R_xlen_t’ {aka ‘long int’} [-Wformat=]
  bd0.c:433:33: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘R_xlen_t’ {aka ‘long int’} [-Wformat=]
  bd0.c:433:43: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘R_xlen_t’ {aka ‘long int’} [-Wformat=]
  gamma-variants.c:308:55: warning: format ‘%d’ expects a matching ‘int’ argument [-Wformat=]
  gamma-variants.c:347:49: warning: too many arguments for format [-Wformat-extra-args]
  gamma-variants.c:362:47: warning: format ‘%g’ expects argument of type ‘double’, but argument 2 has type ‘long double’ [-Wformat=]
  gamma-variants.c:370:47: warning: format ‘%g’ expects argument of type ‘double’, but argument 2 has type ‘long double’ [-Wformat=]
  lgammacor.c:110:25: warning: format ‘%g’ expects argument of type ‘double’, but argument 2 has type ‘int’ [-Wformat=]
  lgammacor.c:112:25: warning: format ‘%g’ expects argument of type ‘double’, but argument 2 has type ‘int’ [-Wformat=]
  pnchisq-it.c:414:53: warning: format ‘%g’ expects a matching ‘double’ argument [-Wformat=]
  pnchisq-it.c:554:18: warning: format ‘%d’ expects argument of type ‘int’, but argument 11 has type ‘R_xlen_t’ {aka ‘long int’} [-Wformat=]
  ppois-direct.c:145:44: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘R_xlen_t’ {aka ‘long int’} [-Wformat=]
  ppois-direct.c:148:42: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘R_xlen_t’ {aka ‘long int’} [-Wformat=]
  ppois-direct.c:157:27: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘R_xlen_t’ {aka ‘long int’} [-Wformat=]
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/DPQ.Rcheck/00install.out’ for details.
* used C compiler: ‘gcc-13 (Debian 13.2.0-5) 13.2.0’
* used Fortran compiler: ‘GNU Fortran (Debian 13.2.0-5) 13.2.0’