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Diffstat (limited to 'libguile/arrays.h')
-rw-r--r-- | libguile/arrays.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/libguile/arrays.h b/libguile/arrays.h new file mode 100644 index 000000000..35e5471bf --- /dev/null +++ b/libguile/arrays.h @@ -0,0 +1,91 @@ +/* classes: h_files */ + +#ifndef SCM_ARRAY_H +#define SCM_ARRAY_H + +/* Copyright (C) 1995,1996,1997,1999,2000,2001, 2004, 2006, 2008, 2009 Free Software Foundation, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 3 of + * the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + + + +#include "libguile/__scm.h" +#include "libguile/print.h" + + + +/* Multidimensional arrays. Woo hoo! + Also see .... + */ + + +/** Arrays */ + +SCM_API SCM scm_make_array (SCM fill, SCM bounds); +SCM_API SCM scm_make_typed_array (SCM type, SCM fill, SCM bounds); +SCM_API SCM scm_from_contiguous_typed_array (SCM type, SCM bounds, + const void *bytes, + size_t byte_len); +SCM_API SCM scm_shared_array_root (SCM ra); +SCM_API SCM scm_shared_array_offset (SCM ra); +SCM_API SCM scm_shared_array_increments (SCM ra); +SCM_API SCM scm_make_shared_array (SCM oldra, SCM mapfunc, SCM dims); +SCM_API SCM scm_transpose_array (SCM ra, SCM args); +SCM_API SCM scm_array_contents (SCM ra, SCM strict); +SCM_API SCM scm_uniform_array_read_x (SCM ra, SCM port_or_fd, + SCM start, SCM end); +SCM_API SCM scm_uniform_array_write (SCM v, SCM port_or_fd, + SCM start, SCM end); +SCM_API SCM scm_list_to_array (SCM ndim, SCM lst); +SCM_API SCM scm_list_to_typed_array (SCM type, SCM ndim, SCM lst); + +SCM_API SCM scm_ra2contig (SCM ra, int copy); + +/* internal. */ + +typedef struct scm_i_t_array +{ + SCM v; /* the contents of the array, e.g., a vector or uniform vector. */ + unsigned long base; +} scm_i_t_array; + +SCM_API scm_t_bits scm_i_tc16_array; + +#define SCM_I_ARRAY_FLAG_CONTIGUOUS (1 << 16) + +#define SCM_I_ARRAYP(a) SCM_TYP16_PREDICATE (scm_i_tc16_array, a) +#define SCM_I_ARRAY_NDIM(x) ((size_t) (SCM_CELL_WORD_0 (x) >> 17)) +#define SCM_I_ARRAY_CONTP(x) (SCM_CELL_WORD_0(x) & SCM_I_ARRAY_FLAG_CONTIGUOUS) + +#define SCM_I_ARRAY_MEM(a) ((scm_i_t_array *) SCM_CELL_WORD_1 (a)) +#define SCM_I_ARRAY_V(a) (SCM_I_ARRAY_MEM (a)->v) +#define SCM_I_ARRAY_BASE(a) (SCM_I_ARRAY_MEM (a)->base) +#define SCM_I_ARRAY_DIMS(a) \ + ((scm_t_array_dim *)((char *) SCM_I_ARRAY_MEM (a) + sizeof (scm_i_t_array))) + +SCM_INTERNAL SCM scm_i_make_array (int ndim); +SCM_INTERNAL SCM scm_i_read_array (SCM port, int c); + +SCM_INTERNAL void scm_init_arrays (void); + +#endif /* SCM_ARRAYS_H */ + +/* + Local Variables: + c-file-style: "gnu" + End: +*/ |