-/* Copyright (C) 1995,1996,1997,1998,2000,2001,2002,2003,2004, 2005, 2006, 2009, 2010 Free Software Foundation, Inc.
+/* Copyright (C) 1995,1996,1997,1998,2000,2001,2002,2003,2004, 2005, 2006, 2009, 2010, 2013 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
#include "libguile/generalized-arrays.h"
+SCM_INTERNAL SCM scm_i_array_ref (SCM v,
+ SCM idx0, SCM idx1, SCM idxN);
+SCM_INTERNAL SCM scm_i_array_set_x (SCM v, SCM obj,
+ SCM idx0, SCM idx1, SCM idxN);
+
+
int
scm_is_array (SCM obj)
{
#undef FUNC_NAME
+size_t
+scm_c_array_length (SCM array)
+{
+ scm_t_array_handle handle;
+ size_t res;
+
+ scm_array_get_handle (array, &handle);
+ if (scm_array_handle_rank (&handle) < 1)
+ {
+ scm_array_handle_release (&handle);
+ scm_wrong_type_arg_msg (NULL, 0, array, "array of nonzero rank");
+ }
+ res = handle.dims[0].ubnd - handle.dims[0].lbnd + 1;
+ scm_array_handle_release (&handle);
+
+ return res;
+}
+
+SCM_DEFINE (scm_array_length, "array-length", 1, 0, 0,
+ (SCM array),
+ "Return the length of an array: its first dimension.\n"
+ "It is an error to ask for the length of an array of rank 0.")
+#define FUNC_NAME s_scm_array_length
+{
+ return scm_from_size_t (scm_c_array_length (array));
+}
+#undef FUNC_NAME
+
+
SCM_DEFINE (scm_array_dimensions, "array-dimensions", 1, 0, 0,
(SCM ra),
"@code{array-dimensions} is similar to @code{array-shape} but replaces\n"
}
#undef FUNC_NAME
-SCM_DEFINE (scm_array_ref, "array-ref", 1, 0, 1,
- (SCM v, SCM args),
- "Return the element at the @code{(index1, index2)} element in\n"
- "@var{array}.")
-#define FUNC_NAME s_scm_array_ref
+
+SCM
+scm_c_array_ref_1 (SCM array, ssize_t idx0)
+{
+ scm_t_array_handle handle;
+ SCM res;
+
+ scm_array_get_handle (array, &handle);
+ res = scm_array_handle_ref (&handle, scm_array_handle_pos_1 (&handle, idx0));
+ scm_array_handle_release (&handle);
+ return res;
+}
+
+
+SCM
+scm_c_array_ref_2 (SCM array, ssize_t idx0, ssize_t idx1)
+{
+ scm_t_array_handle handle;
+ SCM res;
+
+ scm_array_get_handle (array, &handle);
+ res = scm_array_handle_ref (&handle, scm_array_handle_pos_2 (&handle, idx0, idx1));
+ scm_array_handle_release (&handle);
+ return res;
+}
+
+
+SCM
+scm_array_ref (SCM v, SCM args)
{
scm_t_array_handle handle;
SCM res;
scm_array_handle_release (&handle);
return res;
}
-#undef FUNC_NAME
-SCM_DEFINE (scm_array_set_x, "array-set!", 2, 0, 1,
- (SCM v, SCM obj, SCM args),
- "Set the element at the @code{(index1, index2)} element in @var{array} to\n"
- "@var{new-value}. The value returned by array-set! is unspecified.")
-#define FUNC_NAME s_scm_array_set_x
+void
+scm_c_array_set_1_x (SCM array, SCM obj, ssize_t idx0)
+{
+ scm_t_array_handle handle;
+
+ scm_array_get_handle (array, &handle);
+ scm_array_handle_set (&handle, scm_array_handle_pos_1 (&handle, idx0),
+ obj);
+ scm_array_handle_release (&handle);
+}
+
+
+void
+scm_c_array_set_2_x (SCM array, SCM obj, ssize_t idx0, ssize_t idx1)
+{
+ scm_t_array_handle handle;
+
+ scm_array_get_handle (array, &handle);
+ scm_array_handle_set (&handle, scm_array_handle_pos_2 (&handle, idx0, idx1),
+ obj);
+ scm_array_handle_release (&handle);
+}
+
+
+SCM
+scm_array_set_x (SCM v, SCM obj, SCM args)
{
scm_t_array_handle handle;
scm_array_handle_release (&handle);
return SCM_UNSPECIFIED;
}
+
+
+SCM_DEFINE (scm_i_array_ref, "array-ref", 1, 2, 1,
+ (SCM v, SCM idx0, SCM idx1, SCM idxN),
+ "Return the element at the @code{(idx0, idx1, idxN...)}\n"
+ "position in array @var{v}.")
+#define FUNC_NAME s_scm_i_array_ref
+{
+ if (SCM_UNBNDP (idx0))
+ return scm_array_ref (v, SCM_EOL);
+ else if (SCM_UNBNDP (idx1))
+ return scm_c_array_ref_1 (v, scm_to_ssize_t (idx0));
+ else if (scm_is_null (idxN))
+ return scm_c_array_ref_2 (v, scm_to_ssize_t (idx0), scm_to_ssize_t (idx1));
+ else
+ return scm_array_ref (v, scm_cons (idx0, scm_cons (idx1, idxN)));
+}
#undef FUNC_NAME
+
+SCM_DEFINE (scm_i_array_set_x, "array-set!", 2, 2, 1,
+ (SCM v, SCM obj, SCM idx0, SCM idx1, SCM idxN),
+ "Set the element at the @code{(idx0, idx1, idxN...)} position\n"
+ "in the array @var{v} to @var{obj}. The value returned by\n"
+ "@code{array-set!} is unspecified.")
+#define FUNC_NAME s_scm_i_array_set_x
+{
+ if (SCM_UNBNDP (idx0))
+ scm_array_set_x (v, obj, SCM_EOL);
+ else if (SCM_UNBNDP (idx1))
+ scm_c_array_set_1_x (v, obj, scm_to_ssize_t (idx0));
+ else if (scm_is_null (idxN))
+ scm_c_array_set_2_x (v, obj, scm_to_ssize_t (idx0), scm_to_ssize_t (idx1));
+ else
+ scm_array_set_x (v, obj, scm_cons (idx0, scm_cons (idx1, idxN)));
+
+ return SCM_UNSPECIFIED;
+}
+#undef FUNC_NAME
+
+
static SCM
array_to_list (scm_t_array_handle *h, size_t dim, unsigned long pos)
{
SCM_DEFINE (scm_array_to_list, "array->list", 1, 0, 0,
(SCM array),
- "FIXME description a list consisting of all the elements, in order, of\n"
- "@var{array}.")
+ "Return a list representation of @var{array}.\n\n"
+ "It is easiest to specify the behavior of this function by\n"
+ "example:\n"
+ "@example\n"
+ "(array->list #0(a)) @result{} 1\n"
+ "(array->list #1(a b)) @result{} (a b)\n"
+ "(array->list #2((aa ab) (ba bb)) @result{} ((aa ab) (ba bb))\n"
+ "@end example\n")
#define FUNC_NAME s_scm_array_to_list
{
scm_t_array_handle h;
HCoop / bpt / guile.git / blobdiff