LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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lapacke_zhprfs.c
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1/*****************************************************************************
2 Copyright (c) 2014, Intel Corp.
3 All rights reserved.
4
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are met:
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8 * Redistributions of source code must retain the above copyright notice,
9 this list of conditions and the following disclaimer.
10 * Redistributions in binary form must reproduce the above copyright
11 notice, this list of conditions and the following disclaimer in the
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13 * Neither the name of Intel Corporation nor the names of its contributors
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16
17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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28*****************************************************************************
29* Contents: Native high-level C interface to LAPACK function zhprfs
30* Author: Intel Corporation
31*****************************************************************************/
32
33#include "lapacke_utils.h"
34
35lapack_int LAPACKE_zhprfs( int matrix_layout, char uplo, lapack_int n,
36 lapack_int nrhs, const lapack_complex_double* ap,
37 const lapack_complex_double* afp,
38 const lapack_int* ipiv,
41 double* ferr, double* berr )
42{
43 lapack_int info = 0;
44 double* rwork = NULL;
45 lapack_complex_double* work = NULL;
46 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
47 LAPACKE_xerbla( "LAPACKE_zhprfs", -1 );
48 return -1;
49 }
50#ifndef LAPACK_DISABLE_NAN_CHECK
51 if( LAPACKE_get_nancheck() ) {
52 /* Optionally check input matrices for NaNs */
53 if( LAPACKE_zhp_nancheck( n, afp ) ) {
54 return -6;
55 }
56 if( LAPACKE_zhp_nancheck( n, ap ) ) {
57 return -5;
58 }
59 if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
60 return -8;
61 }
62 if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, x, ldx ) ) {
63 return -10;
64 }
65 }
66#endif
67 /* Allocate memory for working array(s) */
68 rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
69 if( rwork == NULL ) {
71 goto exit_level_0;
72 }
73 work = (lapack_complex_double*)
74 LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,2*n) );
75 if( work == NULL ) {
77 goto exit_level_1;
78 }
79 /* Call middle-level interface */
80 info = LAPACKE_zhprfs_work( matrix_layout, uplo, n, nrhs, ap, afp, ipiv, b,
81 ldb, x, ldx, ferr, berr, work, rwork );
82 /* Release memory and exit */
83 LAPACKE_free( work );
84exit_level_1:
85 LAPACKE_free( rwork );
86exit_level_0:
87 if( info == LAPACK_WORK_MEMORY_ERROR ) {
88 LAPACKE_xerbla( "LAPACKE_zhprfs", info );
89 }
90 return info;
91}
#define lapack_int
Definition: lapack.h:87
#define lapack_complex_double
Definition: lapack.h:64
#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
lapack_int LAPACKE_zhprfs_work(int matrix_layout, char uplo, lapack_int n, lapack_int nrhs, const lapack_complex_double *ap, const lapack_complex_double *afp, const lapack_int *ipiv, const lapack_complex_double *b, lapack_int ldb, lapack_complex_double *x, lapack_int ldx, double *ferr, double *berr, lapack_complex_double *work, double *rwork)
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_zhp_nancheck(lapack_int n, const lapack_complex_double *ap)
lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:46
lapack_int LAPACKE_zhprfs(int matrix_layout, char uplo, lapack_int n, lapack_int nrhs, const lapack_complex_double *ap, const lapack_complex_double *afp, const lapack_int *ipiv, const lapack_complex_double *b, lapack_int ldb, lapack_complex_double *x, lapack_int ldx, double *ferr, double *berr)