/usr/include/ITK-4.5/linpack/zqrdc.h is in libinsighttoolkit4-dev 4.5.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 | /*: Computes QR factorisation of an n x p double complex matrix */
extern int v3p_netlib_zqrdc_(
v3p_netlib_doublecomplex *x, v3p_netlib_integer v3p_netlib_const *ldx, /*!< (IN/OUT) matrix, n rows, p columns, stored row-wise */
v3p_netlib_integer v3p_netlib_const *n, v3p_netlib_integer v3p_netlib_const *p,
v3p_netlib_doublecomplex *qraux, /*!< (OUT) further info necessary to recover R part from x */
v3p_netlib_integer *jpvt, /*!< (IN/OUT) length p; selection of pivot columns: */
/* ==0 ==> any; >0 ==> initial column; <0 ==> final */
v3p_netlib_doublecomplex *work, /*!< (IN/OUT) scratch work area of length p */
v3p_netlib_integer v3p_netlib_const *job /*!< (IN) if == 0, no pivoting is done */
);
|