Import GotoBLAS2 1.13 BSD version codes.

1 files changed, 208 insertions, 0 deletions

diff --git a/interface/trsv.c b/interface/trsv.c
new file mode 100644
index 000000000..8ef6998db
--- /dev/null
+++ b/interface/trsv.c
@@ -0,0 +1,208 @@
+/*********************************************************************/
+/* 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 "QTRSV "
+#elif defined(DOUBLE)
+#define ERROR_NAME "DTRSV "
+#else
+#define ERROR_NAME "STRSV "
+#endif
+
+static int (*trsv[])(BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, void *) = {
+#ifdef XDOUBLE
+  qtrsv_NUU, qtrsv_NUN, qtrsv_NLU, qtrsv_NLN,
+  qtrsv_TUU, qtrsv_TUN, qtrsv_TLU, qtrsv_TLN,
+#elif defined(DOUBLE)
+  dtrsv_NUU, dtrsv_NUN, dtrsv_NLU, dtrsv_NLN,
+  dtrsv_TUU, dtrsv_TUN, dtrsv_TLU, dtrsv_TLN,
+#else
+  strsv_NUU, strsv_NUN, strsv_NLU, strsv_NLN,
+  strsv_TUU, strsv_TUN, strsv_TLU, strsv_TLN,
+#endif
+};
+
+#ifndef CBLAS
+
+void NAME(char *UPLO, char *TRANS, char *DIAG,
+	   blasint *N, FLOAT *a, blasint *LDA, FLOAT *x, blasint *INCX){
+  
+  char uplo_arg  = *UPLO;
+  char trans_arg = *TRANS;
+  char diag_arg  = *DIAG;
+  
+  blasint n    = *N;
+  blasint lda  = *LDA;
+  blasint incx = *INCX;
+
+  blasint info;
+  int uplo;
+  int unit;
+  int trans;
+  FLOAT *buffer;
+
+  PRINT_DEBUG_NAME;
+
+  TOUPPER(uplo_arg);
+  TOUPPER(trans_arg);
+  TOUPPER(diag_arg);
+
+  trans = -1;
+  unit  = -1;
+  uplo  = -1;
+
+  if (trans_arg == 'N') trans = 0;
+  if (trans_arg == 'T') trans = 1;
+  if (trans_arg == 'R') trans = 0;
+  if (trans_arg == 'C') trans = 1;
+
+  if (diag_arg  == 'U') unit  = 0;
+  if (diag_arg  == 'N') unit  = 1;
+
+  if (uplo_arg  == 'U') uplo  = 0;
+  if (uplo_arg  == 'L') uplo  = 1;
+ 
+  info = 0;
+
+  if (incx == 0)          info =  8;
+  if (lda  < MAX(1, n))   info =  6;
+  if (n < 0)              info =  4;
+  if (unit  < 0)          info =  3;
+  if (trans < 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,
+	   enum CBLAS_TRANSPOSE TransA, enum CBLAS_DIAG Diag,
+	   blasint n, FLOAT  *a, blasint lda, FLOAT  *x, blasint incx) {
+
+  int trans, uplo, unit;
+  blasint info;
+  FLOAT *buffer;
+
+  PRINT_DEBUG_CNAME;
+
+  unit  = -1;
+  uplo  = -1;
+  trans = -1;
+  info  =  0;
+
+  if (order == CblasColMajor) {
+    if (Uplo == CblasUpper)         uplo  = 0;
+    if (Uplo == CblasLower)         uplo  = 1;
+
+    if (TransA == CblasNoTrans)     trans = 0;
+    if (TransA == CblasTrans)       trans = 1;
+    if (TransA == CblasConjNoTrans) trans = 0;
+    if (TransA == CblasConjTrans)   trans = 1;
+    
+    if (Diag == CblasUnit)          unit  = 0;
+    if (Diag == CblasNonUnit)       unit  = 1;
+
+    info = -1;
+
+    if (incx == 0)          info =  8;
+    if (lda  < MAX(1, n))   info =  6;
+    if (n < 0)              info =  4;
+    if (unit  < 0)          info =  3;
+    if (trans < 0)          info =  2;
+    if (uplo  < 0)          info =  1;
+  }
+
+  if (order == CblasRowMajor) {
+    if (Uplo == CblasUpper)         uplo  = 1;
+    if (Uplo == CblasLower)         uplo  = 0;
+
+    if (TransA == CblasNoTrans)     trans = 1;
+    if (TransA == CblasTrans)       trans = 0;
+    if (TransA == CblasConjNoTrans) trans = 1;
+    if (TransA == CblasConjTrans)   trans = 0;
+
+    if (Diag == CblasUnit)          unit  = 0;
+    if (Diag == CblasNonUnit)       unit  = 1;
+
+    info = -1;
+
+    if (incx == 0)          info =  8;
+    if (lda  < MAX(1, n))   info =  6;
+    if (n < 0)              info =  4;
+    if (unit  < 0)          info =  3;
+    if (trans < 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;
+  
+  IDEBUG_START;
+
+  FUNCTION_PROFILE_START();
+
+  if (incx < 0 ) x -= (n - 1) * incx;
+
+  buffer = (FLOAT *)blas_memory_alloc(1);
+
+  (trsv[(trans<<2) | (uplo<<1) | unit])(n, a, lda, x, incx, buffer);
+
+  blas_memory_free(buffer);
+
+  FUNCTION_PROFILE_END(1, n * n / 2 + n,  n * n);
+
+  IDEBUG_END;
+
+  return;
+}