generic vector ops to own file

[bpt/guile.git] / libguile / generalized-vectors.c

diff --git a/libguile/generalized-vectors.c b/libguile/generalized-vectors.c
new file mode 100644 (file)
index 0000000..0c85f36
--- /dev/null
+++ b/libguile/generalized-vectors.c
@@ -0,0 +1,164 @@
+/* Copyright (C) 1995,1996,1997,1998,2000,2001,2002,2003,2004, 2005, 2006, 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
+ */
+
+
+\f
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "libguile/_scm.h"
+#include "libguile/__scm.h"
+
+#include "libguile/array-handle.h"
+#include "libguile/generalized-arrays.h"
+#include "libguile/generalized-vectors.h"
+
+
+int
+scm_is_generalized_vector (SCM obj)
+{
+  int ret = 0;
+  if (scm_is_array (obj))
+    {
+      scm_t_array_handle h;
+      scm_array_get_handle (obj, &h);
+      ret = scm_array_handle_rank (&h) == 1;
+      scm_array_handle_release (&h);
+    }
+  return ret;
+}
+
+SCM_DEFINE (scm_generalized_vector_p, "generalized-vector?", 1, 0, 0,
+           (SCM obj),
+           "Return @code{#t} if @var{obj} is a vector, string,\n"
+           "bitvector, or uniform numeric vector.")
+#define FUNC_NAME s_scm_generalized_vector_p
+{
+  return scm_from_bool (scm_is_generalized_vector (obj));
+}
+#undef FUNC_NAME
+
+#define SCM_VALIDATE_VECTOR_WITH_HANDLE(pos, val, handle)   \
+  scm_generalized_vector_get_handle (val, handle)
+   
+
+void
+scm_generalized_vector_get_handle (SCM vec, scm_t_array_handle *h)
+{
+  scm_array_get_handle (vec, h);
+  if (scm_array_handle_rank (h) != 1)
+    {
+      scm_array_handle_release (h);
+      scm_wrong_type_arg_msg (NULL, 0, vec, "vector");
+    }
+}
+
+size_t
+scm_c_generalized_vector_length (SCM v)
+{
+  scm_t_array_handle h;
+  size_t ret;
+  scm_generalized_vector_get_handle (v, &h);
+  ret = h.dims[0].ubnd - h.dims[0].lbnd + 1;
+  scm_array_handle_release (&h);
+  return ret;
+}
+
+SCM_DEFINE (scm_generalized_vector_length, "generalized-vector-length", 1, 0, 0,
+           (SCM v),
+           "Return the length of the generalized vector @var{v}.")
+#define FUNC_NAME s_scm_generalized_vector_length
+{
+  return scm_from_size_t (scm_c_generalized_vector_length (v));
+}
+#undef FUNC_NAME
+
+SCM
+scm_c_generalized_vector_ref (SCM v, size_t idx)
+{
+  scm_t_array_handle h;
+  SCM ret;
+  scm_generalized_vector_get_handle (v, &h);
+  ret = h.impl->vref (&h, idx);
+  scm_array_handle_release (&h);
+  return ret;
+}
+
+SCM_DEFINE (scm_generalized_vector_ref, "generalized-vector-ref", 2, 0, 0,
+           (SCM v, SCM idx),
+           "Return the element at index @var{idx} of the\n"
+           "generalized vector @var{v}.")
+#define FUNC_NAME s_scm_generalized_vector_ref
+{
+  return scm_c_generalized_vector_ref (v, scm_to_size_t (idx));
+}
+#undef FUNC_NAME
+
+void
+scm_c_generalized_vector_set_x (SCM v, size_t idx, SCM val)
+{
+  scm_t_array_handle h;
+  scm_generalized_vector_get_handle (v, &h);
+  h.impl->vset (&h, idx, val);
+  scm_array_handle_release (&h);
+}
+
+SCM_DEFINE (scm_generalized_vector_set_x, "generalized-vector-set!", 3, 0, 0,
+           (SCM v, SCM idx, SCM val),
+           "Set the element at index @var{idx} of the\n"
+           "generalized vector @var{v} to @var{val}.")
+#define FUNC_NAME s_scm_generalized_vector_set_x
+{
+  scm_c_generalized_vector_set_x (v, scm_to_size_t (idx), val);
+  return SCM_UNSPECIFIED;
+}
+#undef FUNC_NAME
+
+SCM_DEFINE (scm_generalized_vector_to_list, "generalized-vector->list", 1, 0, 0,
+           (SCM v),
+           "Return a new list whose elements are the elements of the\n"
+           "generalized vector @var{v}.")
+#define FUNC_NAME s_scm_generalized_vector_to_list
+{
+  SCM ret = SCM_EOL;
+  ssize_t pos, i = 0;
+  scm_t_array_handle h;
+  scm_generalized_vector_get_handle (v, &h);
+  // FIXME CHECKME
+  for (pos = h.dims[0].ubnd, i = (h.dims[0].ubnd - h.dims[0].lbnd + 1);
+       i >= 0;
+       pos += h.dims[0].inc)
+    ret = scm_cons (h.impl->vref (&h, pos), ret);
+  scm_array_handle_release (&h);
+  return ret;
+}
+#undef FUNC_NAME
+
+void
+scm_init_generalized_vectors ()
+{
+#include "libguile/generalized-vectors.x"
+}
+
+/*
+  Local Variables:
+  c-file-style: "gnu"
+  End:
+*/