LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_cgtsvx()

lapack_int LAPACKE_cgtsvx ( int  matrix_layout,
char  fact,
char  trans,
lapack_int  n,
lapack_int  nrhs,
const lapack_complex_float dl,
const lapack_complex_float d,
const lapack_complex_float du,
lapack_complex_float dlf,
lapack_complex_float df,
lapack_complex_float duf,
lapack_complex_float du2,
lapack_int ipiv,
const lapack_complex_float b,
lapack_int  ldb,
lapack_complex_float x,
lapack_int  ldx,
float *  rcond,
float *  ferr,
float *  berr 
)

Definition at line 35 of file lapacke_cgtsvx.c.

46{
47 lapack_int info = 0;
48 float* rwork = NULL;
49 lapack_complex_float* work = NULL;
50 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
51 LAPACKE_xerbla( "LAPACKE_cgtsvx", -1 );
52 return -1;
53 }
54#ifndef LAPACK_DISABLE_NAN_CHECK
55 if( LAPACKE_get_nancheck() ) {
56 /* Optionally check input matrices for NaNs */
57 if( LAPACKE_cge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
58 return -14;
59 }
60 if( LAPACKE_c_nancheck( n, d, 1 ) ) {
61 return -7;
62 }
63 if( LAPACKE_lsame( fact, 'f' ) ) {
64 if( LAPACKE_c_nancheck( n, df, 1 ) ) {
65 return -10;
66 }
67 }
68 if( LAPACKE_c_nancheck( n-1, dl, 1 ) ) {
69 return -6;
70 }
71 if( LAPACKE_lsame( fact, 'f' ) ) {
72 if( LAPACKE_c_nancheck( n-1, dlf, 1 ) ) {
73 return -9;
74 }
75 }
76 if( LAPACKE_c_nancheck( n-1, du, 1 ) ) {
77 return -8;
78 }
79 if( LAPACKE_lsame( fact, 'f' ) ) {
80 if( LAPACKE_c_nancheck( n-2, du2, 1 ) ) {
81 return -12;
82 }
83 }
84 if( LAPACKE_lsame( fact, 'f' ) ) {
85 if( LAPACKE_c_nancheck( n-1, duf, 1 ) ) {
86 return -11;
87 }
88 }
89 }
90#endif
91 /* Allocate memory for working array(s) */
92 rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
93 if( rwork == NULL ) {
95 goto exit_level_0;
96 }
97 work = (lapack_complex_float*)
98 LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
99 if( work == NULL ) {
101 goto exit_level_1;
102 }
103 /* Call middle-level interface */
104 info = LAPACKE_cgtsvx_work( matrix_layout, fact, trans, n, nrhs, dl, d, du,
105 dlf, df, duf, du2, ipiv, b, ldb, x, ldx, rcond,
106 ferr, berr, work, rwork );
107 /* Release memory and exit */
108 LAPACKE_free( work );
109exit_level_1:
110 LAPACKE_free( rwork );
111exit_level_0:
112 if( info == LAPACK_WORK_MEMORY_ERROR ) {
113 LAPACKE_xerbla( "LAPACKE_cgtsvx", info );
114 }
115 return info;
116}
#define lapack_int
Definition: lapack.h:87
#define lapack_complex_float
Definition: lapack.h:46
lapack_int LAPACKE_cgtsvx_work(int matrix_layout, char fact, char trans, lapack_int n, lapack_int nrhs, const lapack_complex_float *dl, const lapack_complex_float *d, const lapack_complex_float *du, lapack_complex_float *dlf, lapack_complex_float *df, lapack_complex_float *duf, lapack_complex_float *du2, lapack_int *ipiv, const lapack_complex_float *b, lapack_int ldb, lapack_complex_float *x, lapack_int ldx, float *rcond, float *ferr, float *berr, lapack_complex_float *work, float *rwork)
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_c_nancheck(lapack_int n, const lapack_complex_float *x, lapack_int incx)
#define MAX(x, y)
Definition: lapacke_utils.h:46
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
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