/usr/include/ITK-4.5/linpack/ssvdc.h is in libinsighttoolkit4-dev 4.5.0-3.
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1 2 3 4 5 6 7 8 9 10 11 12 | /*: Computes singular values and vectors of an mxn matrix (float version) */
extern int v3p_netlib_ssvdc_(
v3p_netlib_real *x, v3p_netlib_integer v3p_netlib_const *ldx, /*!< (IN) matrix, m rows, n columns, stored row-wise */
v3p_netlib_integer v3p_netlib_const *m, v3p_netlib_integer v3p_netlib_const *n,
v3p_netlib_real *singular_values, /*!< (OUT) in descending order of magnitude */
v3p_netlib_real *errors, /*!< (OUT) superdiagonal of u^T*x*v (normally 0) */
v3p_netlib_real *u, v3p_netlib_integer v3p_netlib_const *ldu, /*!< (OUT) left singular vectors */
v3p_netlib_real *v, v3p_netlib_integer v3p_netlib_const *ldv, /*!< (OUT) right singular vectors */
v3p_netlib_real *work, /*!< (IN/OUT) scratch work area of length m */
v3p_netlib_integer v3p_netlib_const *job, /*!< (IN) 2-digit number. First digit refers to u; 0 = do not compute, 1 = all m; 2 = only min(m,n) */
v3p_netlib_integer *info /*!< (OUT) singular values [info] and up are correct */
);
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