#ifdef __cplusplusextern "C" { #endif  #include "f2c.h" int clarrv_(integer *n, real *d__, real *l, integer *isplit, integer *m, real *w, integer *iblock, real *gersch, real *tol, complex *z__, integer *ldz, integer *isuppz, real *work, integer *iwork, integer *info);#ifdef __cplusplus}#endif