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author | peter <peter@FreeBSD.org> | 2008-06-01 00:03:21 +0000 |
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committer | peter <peter@FreeBSD.org> | 2008-06-01 00:03:21 +0000 |
commit | a2be5f0c15218b0177d73b17d9bcb7589965d685 (patch) | |
tree | c9f0cd9c22378356a1716d32e13e70bc90f98b9c /gcc/lambda-trans.c | |
parent | 9e0f3cc19c9df1594c9cc36cfd8fddc83c52ad12 (diff) | |
download | FreeBSD-src-a2be5f0c15218b0177d73b17d9bcb7589965d685.zip FreeBSD-src-a2be5f0c15218b0177d73b17d9bcb7589965d685.tar.gz |
Reorganize the gcc vendor import work area. This flattens out a bunch
of unnecessary path components that are relics of cvs2svn.
(These are directory moves)
Diffstat (limited to 'gcc/lambda-trans.c')
-rw-r--r-- | gcc/lambda-trans.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/gcc/lambda-trans.c b/gcc/lambda-trans.c new file mode 100644 index 0000000..aff2f1d --- /dev/null +++ b/gcc/lambda-trans.c @@ -0,0 +1,80 @@ +/* Lambda matrix transformations. + Copyright (C) 2003, 2004 Free Software Foundation, Inc. + Contributed by Daniel Berlin <dberlin@dberlin.org>. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING. If not, write to the Free +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ + +#include "config.h" +#include "system.h" +#include "coretypes.h" +#include "tm.h" +#include "ggc.h" +#include "tree.h" +#include "target.h" +#include "lambda.h" + +/* Allocate a new transformation matrix. */ + +lambda_trans_matrix +lambda_trans_matrix_new (int colsize, int rowsize) +{ + lambda_trans_matrix ret; + + ret = ggc_alloc (sizeof (*ret)); + LTM_MATRIX (ret) = lambda_matrix_new (rowsize, colsize); + LTM_ROWSIZE (ret) = rowsize; + LTM_COLSIZE (ret) = colsize; + LTM_DENOMINATOR (ret) = 1; + return ret; +} + +/* Return true if MAT is an identity matrix. */ + +bool +lambda_trans_matrix_id_p (lambda_trans_matrix mat) +{ + if (LTM_ROWSIZE (mat) != LTM_COLSIZE (mat)) + return false; + return lambda_matrix_id_p (LTM_MATRIX (mat), LTM_ROWSIZE (mat)); +} + + +/* Compute the inverse of the transformation matrix MAT. */ + +lambda_trans_matrix +lambda_trans_matrix_inverse (lambda_trans_matrix mat) +{ + lambda_trans_matrix inverse; + int determinant; + + inverse = lambda_trans_matrix_new (LTM_ROWSIZE (mat), LTM_COLSIZE (mat)); + determinant = lambda_matrix_inverse (LTM_MATRIX (mat), LTM_MATRIX (inverse), + LTM_ROWSIZE (mat)); + LTM_DENOMINATOR (inverse) = determinant; + return inverse; +} + + +/* Print out a transformation matrix. */ + +void +print_lambda_trans_matrix (FILE *outfile, lambda_trans_matrix mat) +{ + print_lambda_matrix (outfile, LTM_MATRIX (mat), LTM_ROWSIZE (mat), + LTM_COLSIZE (mat)); +} |