Mercurial > hg > sv-dependency-builds
diff src/fftw-3.3.5/api/mktensor-iodims.h @ 127:7867fa7e1b6b
Current fftw source
author | Chris Cannam <cannam@all-day-breakfast.com> |
---|---|
date | Tue, 18 Oct 2016 13:40:26 +0100 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/fftw-3.3.5/api/mktensor-iodims.h Tue Oct 18 13:40:26 2016 +0100 @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2003, 2007-14 Matteo Frigo + * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology + * + * This program 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 of the License, or + * (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#include "api.h" + +tensor *MKTENSOR_IODIMS(int rank, const IODIM *dims, int is, int os) +{ + int i; + tensor *x = X(mktensor)(rank); + + if (FINITE_RNK(rank)) { + for (i = 0; i < rank; ++i) { + x->dims[i].n = dims[i].n; + x->dims[i].is = dims[i].is * is; + x->dims[i].os = dims[i].os * os; + } + } + return x; +} + +static int iodims_kosherp(int rank, const IODIM *dims, int allow_minfty) +{ + int i; + + if (rank < 0) return 0; + + if (allow_minfty) { + if (!FINITE_RNK(rank)) return 1; + for (i = 0; i < rank; ++i) + if (dims[i].n < 0) return 0; + } else { + if (!FINITE_RNK(rank)) return 0; + for (i = 0; i < rank; ++i) + if (dims[i].n <= 0) return 0; + } + + return 1; +} + +int GURU_KOSHERP(int rank, const IODIM *dims, + int howmany_rank, const IODIM *howmany_dims) +{ + return (iodims_kosherp(rank, dims, 0) && + iodims_kosherp(howmany_rank, howmany_dims, 1)); +}