-/* Copyright (C) 1995,1996,1997,1998,2000,2001,2002,2003,2004, 2005, 2006, 2009, 2010, 2013, 2014 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/uniform.h"
-
-
-const size_t scm_i_array_element_type_sizes[SCM_ARRAY_ELEMENT_TYPE_LAST + 1] = {
- 0,
- 0,
- 1,
- 8,
- 8, 8,
- 16, 16,
- 32, 32,
- 64, 64,
- 32, 64,
- 64, 128
-};
-
-size_t
-scm_array_handle_uniform_element_size (scm_t_array_handle *h)
-{
- size_t ret = scm_i_array_element_type_sizes[h->element_type];
- if (ret && ret % 8 == 0)
- return ret / 8;
- else if (ret)
- scm_wrong_type_arg_msg (NULL, 0, h->array, "byte-aligned uniform array");
- else
- scm_wrong_type_arg_msg (NULL, 0, h->array, "uniform array");
-}
-
-size_t
-scm_array_handle_uniform_element_bit_size (scm_t_array_handle *h)
-{
- size_t ret = scm_i_array_element_type_sizes[h->element_type];
- if (ret)
- return ret;
- else
- scm_wrong_type_arg_msg (NULL, 0, h->array, "uniform array");
-}
-
-const void *
-scm_array_handle_uniform_elements (scm_t_array_handle *h)
-{
- return scm_array_handle_uniform_writable_elements (h);
-}
-
-void *
-scm_array_handle_uniform_writable_elements (scm_t_array_handle *h)
-{
- size_t esize;
- scm_t_uint8 *ret;
-
- esize = scm_array_handle_uniform_element_size (h);
- ret = ((scm_t_uint8*) h->writable_elements) + h->base * esize;
- return ret;
-}
-
-int
-scm_is_uniform_vector (SCM obj)
-{
- scm_t_array_handle h;
- int ret = 0;
-
- if (scm_is_array (obj))
- {
- scm_array_get_handle (obj, &h);
- ret = (scm_array_handle_rank (&h) == 1
- && SCM_ARRAY_ELEMENT_TYPE_IS_UNBOXED (h.element_type));
- scm_array_handle_release (&h);
- }
- return ret;
-}
-
-size_t
-scm_c_uniform_vector_length (SCM uvec)
-{
- if (!scm_is_uniform_vector (uvec))
- scm_wrong_type_arg_msg ("uniform-vector-length", 1, uvec,
- "uniform vector");
- return scm_c_array_length (uvec);
-}
-
-SCM_DEFINE (scm_uniform_vector_p, "uniform-vector?", 1, 0, 0,
- (SCM obj),
- "Return @code{#t} if @var{obj} is a uniform vector.")
-#define FUNC_NAME s_scm_uniform_vector_p
-{
- return scm_from_bool (scm_is_uniform_vector (obj));
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_uniform_vector_element_type, "uniform-vector-element-type", 1, 0, 0,
- (SCM v),
- "Return the type of the elements in the uniform vector, @var{v}.")
-#define FUNC_NAME s_scm_uniform_vector_element_type
-{
- scm_t_array_handle h;
- SCM ret;
-
- if (!scm_is_uniform_vector (v))
- scm_wrong_type_arg_msg (FUNC_NAME, SCM_ARG1, v, "uniform vector");
- scm_array_get_handle (v, &h);
- ret = scm_array_handle_element_type (&h);
- scm_array_handle_release (&h);
- return ret;
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_uniform_vector_element_type_code,
- "uniform-vector-element-type-code", 1, 0, 0,
- (SCM v),
- "Return the type of the elements in the uniform vector, @var{v},\n"
- "as an integer code.")
-#define FUNC_NAME s_scm_uniform_vector_element_type_code
-{
- scm_t_array_handle h;
- SCM ret;
-
- if (!scm_is_uniform_vector (v))
- scm_wrong_type_arg_msg (FUNC_NAME, SCM_ARG1, v, "uniform vector");
- scm_array_get_handle (v, &h);
- ret = scm_from_uint16 (h.element_type);
- scm_array_handle_release (&h);
- return ret;
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_uniform_vector_element_size, "uniform-vector-element-size", 1, 0, 0,
- (SCM v),
- "Return the number of bytes allocated to each element in the\n"
- "uniform vector, @var{v}.")
-#define FUNC_NAME s_scm_uniform_vector_element_size
-{
- scm_t_array_handle h;
- size_t len;
- ssize_t inc;
- SCM ret;
- scm_uniform_vector_elements (v, &h, &len, &inc);
- ret = scm_from_size_t (scm_array_handle_uniform_element_size (&h));
- scm_array_handle_release (&h);
- return ret;
-}
-#undef FUNC_NAME
-
-SCM
-scm_c_uniform_vector_ref (SCM v, size_t pos)
-{
- if (!scm_is_uniform_vector (v))
- scm_wrong_type_arg_msg (NULL, 0, v, "uniform vector");
- return scm_c_array_ref_1 (v, pos);
-}
-
-SCM_DEFINE (scm_uniform_vector_ref, "uniform-vector-ref", 2, 0, 0,
- (SCM v, SCM idx),
- "Return the element at index @var{idx} of the\n"
- "homogeneous numeric vector @var{v}.")
-#define FUNC_NAME s_scm_uniform_vector_ref
-{
- return scm_c_uniform_vector_ref (v, scm_to_size_t (idx));
-}
-#undef FUNC_NAME
-
-void
-scm_c_uniform_vector_set_x (SCM v, size_t pos, SCM val)
-{
- if (!scm_is_uniform_vector (v))
- scm_wrong_type_arg_msg (NULL, 0, v, "uniform vector");
- scm_c_array_set_1_x (v, val, pos);
-}
-
-SCM_DEFINE (scm_uniform_vector_set_x, "uniform-vector-set!", 3, 0, 0,
- (SCM v, SCM idx, SCM val),
- "Set the element at index @var{idx} of the\n"
- "homogeneous numeric vector @var{v} to @var{val}.")
-#define FUNC_NAME s_scm_uniform_vector_set_x
-{
- scm_c_uniform_vector_set_x (v, scm_to_size_t (idx), val);
- return SCM_UNSPECIFIED;
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_uniform_vector_to_list, "uniform-vector->list", 1, 0, 0,
- (SCM uvec),
- "Convert the uniform numeric vector @var{uvec} to a list.")
-#define FUNC_NAME s_scm_uniform_vector_to_list
-{
- if (!scm_is_uniform_vector (uvec))
- scm_wrong_type_arg_msg (FUNC_NAME, SCM_ARG1, uvec, "uniform vector");
- return scm_array_to_list (uvec);
-}
-#undef FUNC_NAME
-
-const void *
-scm_uniform_vector_elements (SCM uvec,
- scm_t_array_handle *h,
- size_t *lenp, ssize_t *incp)
-{
- return scm_uniform_vector_writable_elements (uvec, h, lenp, incp);
-}
-
-void *
-scm_uniform_vector_writable_elements (SCM uvec,
- scm_t_array_handle *h,
- size_t *lenp, ssize_t *incp)
-{
- void *ret;
- scm_array_get_handle (uvec, h);
- if (scm_array_handle_rank (h) != 1)
- scm_wrong_type_arg_msg (0, SCM_ARG1, uvec, "uniform vector");
- ret = scm_array_handle_uniform_writable_elements (h);
- if (lenp)
- {
- scm_t_array_dim *dim = scm_array_handle_dims (h);
- *lenp = dim->ubnd - dim->lbnd + 1;
- *incp = dim->inc;
- }
- return ret;
-}
-
-SCM_DEFINE (scm_uniform_vector_length, "uniform-vector-length", 1, 0, 0,
- (SCM v),
- "Return the number of elements in the uniform vector @var{v}.")
-#define FUNC_NAME s_scm_uniform_vector_length
-{
- return scm_from_size_t (scm_c_uniform_vector_length (v));
-}
-#undef FUNC_NAME
-
-
-void
-scm_init_uniform (void)
-{
-#include "libguile/uniform.x"
-}
-
-/*
- Local Variables:
- c-file-style: "gnu"
- End:
-*/
+/* Copyright (C) 1995,1996,1997,1998,2000,2001,2002,2003,2004, 2005, 2006, 2009, 2010, 2013, 2014 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/uniform.h"
+
+
+const size_t scm_i_array_element_type_sizes[SCM_ARRAY_ELEMENT_TYPE_LAST + 1] = {
+ 0,
+ 0,
+ 1,
+ 8,
+ 8, 8,
+ 16, 16,
+ 32, 32,
+ 64, 64,
+ 32, 64,
+ 64, 128
+};
+
+size_t
+scm_array_handle_uniform_element_size (scm_t_array_handle *h)
+{
+ size_t ret = scm_i_array_element_type_sizes[h->element_type];
+ if (ret && ret % 8 == 0)
+ return ret / 8;
+ else if (ret)
+ scm_wrong_type_arg_msg (NULL, 0, h->array, "byte-aligned uniform array");
+ else
+ scm_wrong_type_arg_msg (NULL, 0, h->array, "uniform array");
+}
+
+size_t
+scm_array_handle_uniform_element_bit_size (scm_t_array_handle *h)
+{
+ size_t ret = scm_i_array_element_type_sizes[h->element_type];
+ if (ret)
+ return ret;
+ else
+ scm_wrong_type_arg_msg (NULL, 0, h->array, "uniform array");
+}
+
+const void *
+scm_array_handle_uniform_elements (scm_t_array_handle *h)
+{
+ return scm_array_handle_uniform_writable_elements (h);
+}
+
+void *
+scm_array_handle_uniform_writable_elements (scm_t_array_handle *h)
+{
+ size_t esize;
+ scm_t_uint8 *ret;
+
+ esize = scm_array_handle_uniform_element_size (h);
+ ret = ((scm_t_uint8*) h->writable_elements) + h->base * esize;
+ return ret;
+}
+
+void
+scm_init_uniform (void)
+{
+#include "libguile/uniform.x"
+}
+
+/*
+ Local Variables:
+ c-file-style: "gnu"
+ End:
+*/
HCoop / bpt / guile.git / blobdiff