/root/doris/contrib/openblas/interface/symv.c

Source
/*********************************************************************/
/* Copyright 2009, 2010 The University of Texas at Austin.           */
/* All rights reserved.                                              */
/*                                                                   */
/* Redistribution and use in source and binary forms, with or        */
/* without modification, are permitted provided that the following   */
/* conditions are met:                                               */
/*                                                                   */
/*   1. Redistributions of source code must retain the above         */
/*      copyright notice, this list of conditions and the following  */
/*      disclaimer.                                                  */
/*                                                                   */
/*   2. Redistributions in binary form must reproduce the above      */
/*      copyright notice, this list of conditions and the following  */
/*      disclaimer in the documentation and/or other materials       */
/*      provided with the distribution.                              */
/*                                                                   */
/*    THIS  SOFTWARE IS PROVIDED  BY THE  UNIVERSITY OF  TEXAS AT    */
/*    AUSTIN  ``AS IS''  AND ANY  EXPRESS OR  IMPLIED WARRANTIES,    */
/*    INCLUDING, BUT  NOT LIMITED  TO, THE IMPLIED  WARRANTIES OF    */
/*    MERCHANTABILITY  AND FITNESS FOR  A PARTICULAR  PURPOSE ARE    */
/*    DISCLAIMED.  IN  NO EVENT SHALL THE UNIVERSITY  OF TEXAS AT    */
/*    AUSTIN OR CONTRIBUTORS BE  LIABLE FOR ANY DIRECT, INDIRECT,    */
/*    INCIDENTAL,  SPECIAL, EXEMPLARY,  OR  CONSEQUENTIAL DAMAGES    */
/*    (INCLUDING, BUT  NOT LIMITED TO,  PROCUREMENT OF SUBSTITUTE    */
/*    GOODS  OR  SERVICES; LOSS  OF  USE,  DATA,  OR PROFITS;  OR    */
/*    BUSINESS INTERRUPTION) HOWEVER CAUSED  AND ON ANY THEORY OF    */
/*    LIABILITY, WHETHER  IN CONTRACT, STRICT  LIABILITY, OR TORT    */
/*    (INCLUDING NEGLIGENCE OR OTHERWISE)  ARISING IN ANY WAY OUT    */
/*    OF  THE  USE OF  THIS  SOFTWARE,  EVEN  IF ADVISED  OF  THE    */
/*    POSSIBILITY OF SUCH DAMAGE.                                    */
/*                                                                   */
/* The views and conclusions contained in the software and           */
/* documentation are those of the authors and should not be          */
/* interpreted as representing official policies, either expressed   */
/* or implied, of The University of Texas at Austin.                 */
/*********************************************************************/

#include <stdio.h>
#include <ctype.h>
#include "common.h"
#ifdef FUNCTION_PROFILE
#include "functable.h"
#endif

#ifdef XDOUBLE
#define ERROR_NAME "QSYMV "
#elif defined(DOUBLE)
#define ERROR_NAME "DSYMV "
#else
#define ERROR_NAME "SSYMV "
#endif

#ifndef CBLAS

void NAME(char *UPLO, blasint *N, FLOAT  *ALPHA, FLOAT *a, blasint *LDA,
            FLOAT  *x, blasint *INCX, FLOAT *BETA, FLOAT *y, blasint *INCY){

  char uplo_arg = *UPLO;
  blasint n = *N;
  FLOAT alpha  = *ALPHA;
  blasint lda = *LDA;
  blasint incx  = *INCX;
  FLOAT beta = *BETA;
  blasint incy  = *INCY;

  int (*symv[])(BLASLONG, BLASLONG, FLOAT, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *) = {
    SYMV_U, SYMV_L,
  };

#ifdef SMP
  int (*symv_thread[])(BLASLONG, FLOAT, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, int) = {
    SYMV_THREAD_U, SYMV_THREAD_L,
  };
#endif

  blasint info;
  int uplo;
  FLOAT *buffer;
#ifdef SMP
  int nthreads;
#endif

  PRINT_DEBUG_NAME;

  TOUPPER(uplo_arg);
  uplo  = -1;

  if (uplo_arg  == 'U') uplo  = 0;
  if (uplo_arg  == 'L') uplo  = 1;

  info = 0;

  if (incy == 0)          info = 10;
  if (incx == 0)          info =  7;
  if (lda  < MAX(1, n))   info =  5;
  if (n < 0)              info =  2;
  if (uplo  < 0)          info =  1;

  if (info != 0) {
    BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
    return;
  }

#else

void CNAME(enum CBLAS_ORDER order, enum CBLAS_UPLO Uplo, blasint n, FLOAT alpha,
     FLOAT *a, blasint lda, FLOAT *x, blasint incx, FLOAT beta, FLOAT *y, blasint incy) {

  FLOAT *buffer;
  int uplo;
  blasint info;
#ifdef SMP
  int nthreads;
#endif

  int (*symv[])(BLASLONG, BLASLONG, FLOAT, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *) = {
    SYMV_U, SYMV_L,
  };

#ifdef SMP
  int (*symv_thread[])(BLASLONG, FLOAT, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, int) = {
    SYMV_THREAD_U, SYMV_THREAD_L,
  };
#endif

  PRINT_DEBUG_CNAME;

  uplo  = -1;
  info  =  0;

  if (order == CblasColMajor) {

    if (Uplo == CblasUpper) uplo  = 0;
    if (Uplo == CblasLower) uplo  = 1;

    info = -1;

    if (incy == 0)          info = 10;
    if (incx == 0)          info =  7;
    if (lda  < MAX(1, n))   info =  5;
    if (n < 0)              info =  2;
    if (uplo  < 0)          info =  1;
  }

  if (order == CblasRowMajor) {

    if (Uplo == CblasUpper) uplo  = 1;
    if (Uplo == CblasLower) uplo  = 0;

    info = -1;

    if (incy == 0)          info = 10;
    if (incx == 0)          info =  7;
    if (lda  < MAX(1, n))   info =  5;
    if (n < 0)              info =  2;
    if (uplo  < 0)          info =  1;
  }

  if (info >= 0) {
    BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
    return;
  }

#endif

  if (n == 0) return;

  if (beta != ONE) SCAL_K(n, 0, 0, beta, y, blasabs(incy), NULL, 0, NULL, 0);

  if (alpha == ZERO) return;

  IDEBUG_START;

  FUNCTION_PROFILE_START();

  if (incx < 0 ) x -= (n - 1) * incx;
  if (incy < 0 ) y -= (n - 1) * incy;

  buffer = (FLOAT *)blas_memory_alloc(1);

#ifdef SMP
  if (n <200)
    nthreads=1;
  else
  nthreads = num_cpu_avail(2);

  if (nthreads == 1) {
#endif

  (symv[uplo])(n, n, alpha, a, lda, x, incx, y, incy, buffer);

#ifdef SMP
  } else {

    (symv_thread[uplo])(n, alpha, a, lda, x, incx, y, incy, buffer, nthreads);

  }
#endif

  blas_memory_free(buffer);

  FUNCTION_PROFILE_END(1, n * n / 2 + 2 * n,  2 * n * n);

  IDEBUG_END;

  return;
}

Coverage Report

Created: 2025-08-27 05:46

Line	Count	Source
1		/*********************************************************************/
2		/* Copyright 2009, 2010 The University of Texas at Austin. */
3		/* All rights reserved. */
4		/* */
5		/* Redistribution and use in source and binary forms, with or */
6		/* without modification, are permitted provided that the following */
7		/* conditions are met: */
8		/* */
9		/* 1. Redistributions of source code must retain the above */
10		/* copyright notice, this list of conditions and the following */
11		/* disclaimer. */
12		/* */
13		/* 2. Redistributions in binary form must reproduce the above */
14		/* copyright notice, this list of conditions and the following */
15		/* disclaimer in the documentation and/or other materials */
16		/* provided with the distribution. */
17		/* */
18		/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
19		/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
20		/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
21		/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
22		/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
23		/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
24		/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
25		/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
26		/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
27		/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
28		/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
29		/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
30		/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
31		/* POSSIBILITY OF SUCH DAMAGE. */
32		/* */
33		/* The views and conclusions contained in the software and */
34		/* documentation are those of the authors and should not be */
35		/* interpreted as representing official policies, either expressed */
36		/* or implied, of The University of Texas at Austin. */
37		/*********************************************************************/
38
39		#include <stdio.h>
40		#include <ctype.h>
41		#include "common.h"
42		#ifdef FUNCTION_PROFILE
43		#include "functable.h"
44		#endif
45
46		#ifdef XDOUBLE
47		#define ERROR_NAME "QSYMV "
48		#elif defined(DOUBLE)
49	0	#define ERROR_NAME "DSYMV "
50		#else
51		#define ERROR_NAME "SSYMV "
52		#endif
53
54		#ifndef CBLAS
55
56		void NAME(char UPLO, blasint N, FLOAT ALPHA, FLOAT a, blasint *LDA,
57	0	FLOAT x, blasint INCX, FLOAT BETA, FLOAT y, blasint *INCY){
58
59	0	char uplo_arg = *UPLO;
60	0	blasint n = *N;
61	0	FLOAT alpha = *ALPHA;
62	0	blasint lda = *LDA;
63	0	blasint incx = *INCX;
64	0	FLOAT beta = *BETA;
65	0	blasint incy = *INCY;
66
67	0	int (symv[])(BLASLONG, BLASLONG, FLOAT, FLOAT , BLASLONG, FLOAT , BLASLONG, FLOAT , BLASLONG, FLOAT *) = {
68	0	SYMV_U, SYMV_L,
69	0	};
70
71	0	#ifdef SMP
72	0	int (symv_thread[])(BLASLONG, FLOAT, FLOAT , BLASLONG, FLOAT , BLASLONG, FLOAT , BLASLONG, FLOAT *, int) = {
73	0	SYMV_THREAD_U, SYMV_THREAD_L,
74	0	};
75	0	#endif
76
77	0	blasint info;
78	0	int uplo;
79	0	FLOAT *buffer;
80	0	#ifdef SMP
81	0	int nthreads;
82	0	#endif
83
84	0	PRINT_DEBUG_NAME;
85
86	0	TOUPPER(uplo_arg);
87	0	uplo = -1;
88
89	0	if (uplo_arg == 'U') uplo = 0;
90	0	if (uplo_arg == 'L') uplo = 1;
91
92	0	info = 0;
93
94	0	if (incy == 0) info = 10;
95	0	if (incx == 0) info = 7;
96	0	if (lda < MAX(1, n)) info = 5;
97	0	if (n < 0) info = 2;
98	0	if (uplo < 0) info = 1;
99
100	0	if (info != 0) {
101	0	BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
102	0	return;
103	0	}
104
105		#else
106
107		void CNAME(enum CBLAS_ORDER order, enum CBLAS_UPLO Uplo, blasint n, FLOAT alpha,
108		FLOAT a, blasint lda, FLOAT x, blasint incx, FLOAT beta, FLOAT *y, blasint incy) {
109
110		FLOAT *buffer;
111		int uplo;
112		blasint info;
113		#ifdef SMP
114		int nthreads;
115		#endif
116
117		int (symv[])(BLASLONG, BLASLONG, FLOAT, FLOAT , BLASLONG, FLOAT , BLASLONG, FLOAT , BLASLONG, FLOAT *) = {
118		SYMV_U, SYMV_L,
119		};
120
121		#ifdef SMP
122		int (symv_thread[])(BLASLONG, FLOAT, FLOAT , BLASLONG, FLOAT , BLASLONG, FLOAT , BLASLONG, FLOAT *, int) = {
123		SYMV_THREAD_U, SYMV_THREAD_L,
124		};
125		#endif
126
127		PRINT_DEBUG_CNAME;
128
129		uplo = -1;
130		info = 0;
131
132		if (order == CblasColMajor) {
133
134		if (Uplo == CblasUpper) uplo = 0;
135		if (Uplo == CblasLower) uplo = 1;
136
137		info = -1;
138
139		if (incy == 0) info = 10;
140		if (incx == 0) info = 7;
141		if (lda < MAX(1, n)) info = 5;
142		if (n < 0) info = 2;
143		if (uplo < 0) info = 1;
144		}
145
146		if (order == CblasRowMajor) {
147
148		if (Uplo == CblasUpper) uplo = 1;
149		if (Uplo == CblasLower) uplo = 0;
150
151		info = -1;
152
153		if (incy == 0) info = 10;
154		if (incx == 0) info = 7;
155		if (lda < MAX(1, n)) info = 5;
156		if (n < 0) info = 2;
157		if (uplo < 0) info = 1;
158		}
159
160		if (info >= 0) {
161		BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
162		return;
163		}
164
165		#endif
166
167	0	if (n == 0) return;
168
169	0	if (beta != ONE) SCAL_K(n, 0, 0, beta, y, blasabs(incy), NULL, 0, NULL, 0);
170
171	0	if (alpha == ZERO) return;
172
173	0	IDEBUG_START;
174
175	0	FUNCTION_PROFILE_START();
176
177	0	if (incx < 0 ) x -= (n - 1) * incx;
178	0	if (incy < 0 ) y -= (n - 1) * incy;
179
180	0	buffer = (FLOAT *)blas_memory_alloc(1);
181
182	0	#ifdef SMP
183	0	if (n <200)
184	0	nthreads=1;
185	0	else
186	0	nthreads = num_cpu_avail(2);
187
188	0	if (nthreads == 1) {
189	0	#endif
190
191	0	(symv[uplo])(n, n, alpha, a, lda, x, incx, y, incy, buffer);
192
193	0	#ifdef SMP
194	0	} else {
195
196	0	(symv_thread[uplo])(n, alpha, a, lda, x, incx, y, incy, buffer, nthreads);
197
198	0	}
199	0	#endif
200
201	0	blas_memory_free(buffer);
202
203	0	FUNCTION_PROFILE_END(1, n * n / 2 + 2 * n, 2 * n * n);
204
205	0	IDEBUG_END;
206
207	0	return;
208	0	}