add missing file

interface/lapack/ztrtrs.c

@@ -0,0 +1,171 @@
+/*********************************************************************/
+/* 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 "common.h"
+#ifdef FUNCTION_PROFILE
+#include "functable.h"
+#endif
+
+#ifdef XDOUBLE
+#define ERROR_NAME "XTRTRS"
+#elif defined(DOUBLE)
+#define ERROR_NAME "ZTRTRS"
+#else
+#define ERROR_NAME "CTRTRS"
+#endif
+
+static blasint (*trtrs_single[])(blas_arg_t *, BLASLONG *, BLASLONG *, FLOAT *, FLOAT *, BLASLONG) = {
+    TRTRS_UNU_SINGLE, TRTRS_UNN_SINGLE, TRTRS_UTU_SINGLE, TRTRS_UTN_SINGLE, TRTRS_URU_SINGLE, TRTRS_URN_SINGLE, TRTRS_UCU_SINGLE, TRTRS_UCN_SINGLE, TRTRS_LNU_SINGLE, TRTRS_LNN_SINGLE, TRTRS_LTU_SINGLE, TRTRS_LTN_SINGLE, TRTRS_LRU_SINGLE, TRTRS_LRN_SINGLE, TRTRS_LCU_SINGLE, TRTRS_LCN_SINGLE,
+};
+
+#ifdef SMP
+static blasint (*trtrs_parallel[])(blas_arg_t *, BLASLONG *, BLASLONG *, FLOAT *, FLOAT *, BLASLONG) = {
+    TRTRS_UNU_PARALLEL, TRTRS_UNN_PARALLEL, TRTRS_UTU_PARALLEL, TRTRS_UTN_PARALLEL, TRTRS_URU_PARALLEL, TRTRS_URN_PARALLEL, TRTRS_UCU_PARALLEL, TRTRS_UCN_PARALLEL, TRTRS_LNU_PARALLEL, TRTRS_LNN_PARALLEL, TRTRS_LTU_PARALLEL, TRTRS_LTN_PARALLEL, TRTRS_LRU_PARALLEL, TRTRS_LRN_PARALLEL, TRTRS_LCU_PARALLEL, TRTRS_LCN_PARALLEL,
+};
+#endif
+
+int NAME(char *UPLO, char* TRANS, char* DIAG, blasint *N, blasint *NRHS, FLOAT *a, blasint *ldA,
+  FLOAT *b, blasint *ldB, blasint *Info){
+
+    char uplo_arg = *UPLO;
+    char trans_arg = *TRANS;
+    char diag_arg = *DIAG;
+
+  blas_arg_t args;
+
+  blasint info;
+  int uplo, trans, diag;
+  FLOAT *buffer;
+#ifdef PPC440
+  extern
+#endif
+  FLOAT *sa, *sb;
+
+  PRINT_DEBUG_NAME;
+
+  args.m    = *N;
+  args.n    = *NRHS;
+  args.a    = (void *)a;
+  args.lda  = *ldA;
+  args.b    = (void *)b;
+  args.ldb  = *ldB;
+
+  info = 0;
+
+  TOUPPER(trans_arg);
+  trans = -1;
+  if (trans_arg == 'N') trans = 0;
+  if (trans_arg == 'T') trans = 1;
+  if (trans_arg == 'R') trans = 2;
+  if (trans_arg == 'C') trans = 3;
+
+  uplo = -1;
+  if (uplo_arg == 'U') uplo = 0;
+  if (uplo_arg == 'L') uplo = 1;
+
+  diag = -1;
+  if (diag_arg == 'U') diag = 0;
+  if (diag_arg == 'N') diag = 1;
+
+  if (args.ldb  < MAX(1, args.m)) info = 7;
+  if (args.lda  < MAX(1, args.m)) info = 9;
+  if (args.n    < 0) info = 5;
+  if (args.m    < 0) info = 4;
+  if (trans     < 0) info = 2;
+  if (uplo      < 0) info = 1;
+  if (diag      < 0) info = 3;
+
+  if (info != 0) {
+    BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
+    *Info = - info;
+    return 0;
+  }
+
+  args.alpha = NULL;
+  args.beta  = NULL;
+
+  *Info = 0;
+
+  if (args.m == 0 || args.n == 0) return 0;
+
+  if (diag) {
+    if (AMIN_K(args.n, args.a, args.lda + 1) == ZERO) {
+      *Info = IAMIN_K(args.n, args.a, args.lda + 1);
+      return 0;
+    }
+  }
+
+
+  IDEBUG_START;
+
+  FUNCTION_PROFILE_START();
+
+#ifndef PPC440
+  buffer = (FLOAT *)blas_memory_alloc(1);
+
+  sa = (FLOAT *)((BLASLONG)buffer + GEMM_OFFSET_A);
+  sb = (FLOAT *)(((BLASLONG)sa + ((GEMM_P * GEMM_Q * COMPSIZE * SIZE + GEMM_ALIGN) & ~GEMM_ALIGN)) + GEMM_OFFSET_B);
+#endif
+
+#ifdef SMP
+  args.common = NULL;
+  args.nthreads = num_cpu_avail(4);
+
+  if (args.nthreads == 1) {
+#endif
+
+      (trtrs_single[(uplo << 2) | (trans << 1) | diag])(&args, NULL, NULL, sa, sb, 0);
+
+#ifdef SMP
+  } else {
+    (trtrs_parallel[(uplo << 2) | (trans << 1) | diag])(&args, NULL, NULL, sa, sb, 0);
+  }
+#endif
+
+#ifndef PPC440
+  blas_memory_free(buffer);
+#endif
+
+  FUNCTION_PROFILE_END(COMPSIZE * COMPSIZE, args.m * args.n, 2 * args.m * args.m * args.n);
+
+  IDEBUG_END;
+
+  return 0;
+
+}