public static void ormqr(char side, char trans, FloatMatrix A, FloatMatrix tau, FloatMatrix C) {
int k = tau.length;
int info =
NativeBlas.sormqr(
side, trans, C.rows, C.columns, k, A.data, 0, A.rows, tau.data, 0, C.data, 0, C.rows);
checkInfo("ORMQR", info);
}
public static int syevr(
char jobz,
char range,
char uplo,
FloatMatrix a,
float vl,
float vu,
int il,
int iu,
float abstol,
FloatMatrix w,
FloatMatrix z,
int[] isuppz) {
int n = a.rows;
int[] m = new int[1];
int info =
NativeBlas.ssyevr(
jobz, range, uplo, n, a.data, 0, a.rows, vl, vu, il, iu, abstol, m, 0, w.data, 0,
z.data, 0, z.rows, isuppz, 0);
checkInfo("SYEVR", info);
return info;
}
public static void posv(char uplo, FloatMatrix A, FloatMatrix B) {
int n = A.rows;
int nrhs = B.columns;
int info = NativeBlas.sposv(uplo, n, nrhs, A.data, 0, A.rows, B.data, 0, B.rows);
checkInfo("DPOSV", info);
if (info > 0)
throw new LapackArgumentException(
"DPOSV", "Leading minor of order i of A is not positive definite.");
}
/** ************************************************************************* LAPACK */
public static FloatMatrix gesv(FloatMatrix a, int[] ipiv, FloatMatrix b) {
int info = NativeBlas.sgesv(a.rows, b.columns, a.data, 0, a.rows, ipiv, 0, b.data, 0, b.rows);
checkInfo("DGESV", info);
if (info > 0)
throw new LapackException(
"DGESV", "Linear equation cannot be solved because the matrix was singular.");
return b;
}
public static FloatMatrix sysv(char uplo, FloatMatrix a, int[] ipiv, FloatMatrix b) {
int info =
NativeBlas.ssysv(uplo, a.rows, b.columns, a.data, 0, a.rows, ipiv, 0, b.data, 0, b.rows);
checkInfo("SYSV", info);
if (info > 0)
throw new LapackSingularityException(
"SYV", "Linear equation cannot be solved because the matrix was singular.");
return b;
}
public static void geqrf(FloatMatrix A, FloatMatrix tau) {
int info = NativeBlas.sgeqrf(A.rows, A.columns, A.data, 0, A.rows, tau.data, 0);
checkInfo("GEQRF", info);
}