C++ (Cpp) caml_deserialize_block_1示例

示例#1

文件： bigarray_stubs.c 项目： avsm/mirage-kfreebsd

uintnat caml_ba_deserialize(void * dst)
{
  struct caml_ba_array * b = dst;
  int i, elt_size;
  uintnat num_elts;

  /* Read back header information */
  b->num_dims = caml_deserialize_uint_4();
  b->flags = caml_deserialize_uint_4() | CAML_BA_MANAGED;
  b->proxy = NULL;
  for (i = 0; i < b->num_dims; i++) b->dim[i] = caml_deserialize_uint_4();
  /* Compute total number of elements */
  num_elts = caml_ba_num_elts(b);
  /* Determine element size in bytes */
#ifdef _KERNEL
  if ((b->flags & CAML_BA_KIND_MASK) > CAML_BA_NATIVE_INT)
#else
  if ((b->flags & CAML_BA_KIND_MASK) > CAML_BA_COMPLEX64)
#endif
    caml_deserialize_error("input_value: bad bigarray kind");
  elt_size = caml_ba_element_size[b->flags & CAML_BA_KIND_MASK];
  /* Allocate room for data */
  b->data = __malloc(elt_size * num_elts);
  if (b->data == NULL)
    caml_deserialize_error("input_value: out of memory for bigarray");
  /* Read data */
  switch (b->flags & CAML_BA_KIND_MASK) {
  case CAML_BA_SINT8:
  case CAML_BA_UINT8:
    caml_deserialize_block_1(b->data, num_elts); break;
  case CAML_BA_SINT16:
  case CAML_BA_UINT16:
    caml_deserialize_block_2(b->data, num_elts); break;
#ifdef _KERNEL
#else
  case CAML_BA_FLOAT32:
#endif
  case CAML_BA_INT32:
    caml_deserialize_block_4(b->data, num_elts); break;
#ifdef _KERNEL
#else
  case CAML_BA_COMPLEX32:
    caml_deserialize_block_4(b->data, num_elts * 2); break;
  case CAML_BA_FLOAT64:
#endif
  case CAML_BA_INT64:
    caml_deserialize_block_8(b->data, num_elts); break;
#ifdef _KERNEL
#else
  case CAML_BA_COMPLEX64:
    caml_deserialize_block_8(b->data, num_elts * 2); break;
#endif
  case CAML_BA_CAML_INT:
  case CAML_BA_NATIVE_INT:
    caml_ba_deserialize_longarray(b->data, num_elts); break;
  }
  return sizeof(struct caml_ba_array) + (b->num_dims - 1) * sizeof(intnat);
}

示例#2

文件： bigarray.c 项目： dhil/ocaml-multicore

CAMLexport uintnat caml_ba_deserialize(void * dst)
{
  struct caml_ba_array * b = dst;
  int i, elt_size;
  uintnat num_elts;

  /* Read back header information */
  b->num_dims = caml_deserialize_uint_4();
  b->flags = caml_deserialize_uint_4() | CAML_BA_MANAGED;
  b->proxy = NULL;
  for (i = 0; i < b->num_dims; i++) b->dim[i] = caml_deserialize_uint_4();
  /* Compute total number of elements */
  num_elts = caml_ba_num_elts(b);
  /* Determine element size in bytes */
  if ((b->flags & CAML_BA_KIND_MASK) > CAML_BA_CHAR)
    caml_deserialize_error("input_value: bad bigarray kind");
  elt_size = caml_ba_element_size[b->flags & CAML_BA_KIND_MASK];
  /* Allocate room for data */
  b->data = malloc(elt_size * num_elts);
  if (b->data == NULL)
    caml_deserialize_error("input_value: out of memory for bigarray");
  /* Read data */
  switch (b->flags & CAML_BA_KIND_MASK) {
  case CAML_BA_CHAR:
  case CAML_BA_SINT8:
  case CAML_BA_UINT8:
    caml_deserialize_block_1(b->data, num_elts); break;
  case CAML_BA_SINT16:
  case CAML_BA_UINT16:
    caml_deserialize_block_2(b->data, num_elts); break;
  case CAML_BA_FLOAT32:
  case CAML_BA_INT32:
    caml_deserialize_block_4(b->data, num_elts); break;
  case CAML_BA_COMPLEX32:
    caml_deserialize_block_4(b->data, num_elts * 2); break;
  case CAML_BA_FLOAT64:
  case CAML_BA_INT64:
    caml_deserialize_block_8(b->data, num_elts); break;
  case CAML_BA_COMPLEX64:
    caml_deserialize_block_8(b->data, num_elts * 2); break;
  case CAML_BA_CAML_INT:
  case CAML_BA_NATIVE_INT:
    caml_ba_deserialize_longarray(b->data, num_elts); break;
  }
  /* PR#5516: use C99's flexible array types if possible */
  return SIZEOF_BA_ARRAY + b->num_dims * sizeof(intnat);
}