Function sgtcon_
Estimates the reciprocal of the condition number of a general tridiagonal matrix, in either the 1-norm or the infinity-norm, using the LU factorization computed by SGTTRF.
extern(C) void sgtcon_
(
char* norm,
int* n,
float* dl,
float* d,
float* du,
float* du2,
int* ipiv,
float* anorm,
float* rcond,
float* work,
int* iwork,
int* info,
int norm_len
);