gbtrf
- void gbtrf(f_int m, f_int n, f_int kl, f_int ku, f_float* ab, f_int ldab, f_int* ipiv, f_int info)
- void gbtrf(f_int m, f_int n, f_int kl, f_int ku, f_double* ab, f_int ldab, f_int* ipiv, f_int info)
- void gbtrf(f_int m, f_int n, f_int kl, f_int ku, f_cfloat* ab, f_int ldab, f_int* ipiv, f_int info)
- void gbtrf(f_int m, f_int n, f_int kl, f_int ku, f_cdouble* ab, f_int ldab, f_int* ipiv, f_int info)