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-rw-r--r--src/H5Ztrans.c187
1 files changed, 158 insertions, 29 deletions
diff --git a/src/H5Ztrans.c b/src/H5Ztrans.c
index 5a707b5..2a2796d 100644
--- a/src/H5Ztrans.c
+++ b/src/H5Ztrans.c
@@ -94,6 +94,8 @@ static H5Z_node *H5Z_parse_term(H5Z_token *current, H5Z_datval_ptrs* dat_val_poi
static H5Z_node *H5Z_parse_factor(H5Z_token *current, H5Z_datval_ptrs* dat_val_pointers);
static H5Z_node *H5Z_new_node(H5Z_token_type type);
static void H5Z_do_op(H5Z_node* tree);
+static hbool_t H5Z_op_is_numbs(H5Z_node* _tree);
+static hbool_t H5Z_op_is_numbs2(H5Z_node* _tree);
static hid_t H5Z_xform_find_type(const H5T_t* type);
static herr_t H5Z_xform_eval_full(H5Z_node *tree, const size_t array_size, const hid_t array_type, H5Z_result* res);
static void H5Z_xform_destroy_parse_tree(H5Z_node *tree);
@@ -105,41 +107,46 @@ static void H5Z_XFORM_DEBUG(H5Z_node *tree);
static void H5Z_print(H5Z_node *tree, FILE *stream);
#endif /* H5Z_XFORM_DEBUG */
-
#define H5Z_XFORM_DO_OP1(RESL,RESR,TYPE,OP,SIZE) \
{ \
- if( (((RESL).type == H5Z_XFORM_SYMBOL) && ((RESR).type != H5Z_XFORM_SYMBOL)) || (((RESR).type == H5Z_XFORM_SYMBOL) && ((RESL).type != H5Z_XFORM_SYMBOL))) \
+ size_t u; \
+ \
+ if(((RESL).type == H5Z_XFORM_SYMBOL) && ((RESR).type != H5Z_XFORM_SYMBOL)) \
+ { \
+ TYPE* p; \
+ double tree_val; \
+ \
+ tree_val = ((RESR).type==H5Z_XFORM_INTEGER ? (double)(RESR).value.int_val : (RESR).value.float_val); \
+ p = (TYPE*)(RESL).value.dat_val; \
+ \
+ for(u=0; u<(SIZE); u++) \
+ *p++ = *p OP tree_val; \
+ } \
+ else if(((RESR).type == H5Z_XFORM_SYMBOL) && ((RESL).type != H5Z_XFORM_SYMBOL)) \
{ \
- size_t u; \
TYPE* p; \
double tree_val; \
\
- if((RESL).type == H5Z_XFORM_SYMBOL) \
- { \
- tree_val = ((RESR).type==H5Z_XFORM_INTEGER ? (double)(RESR).value.int_val : (RESR).value.float_val); \
- p = (TYPE*)(RESL).value.dat_val; \
- } \
+ /* The case that the left operand is nothing, like -x or +x */ \
+ if((RESL).type == H5Z_XFORM_ERROR) \
+ tree_val = 0; \
else \
- { \
tree_val = ((RESL).type==H5Z_XFORM_INTEGER ? (double)(RESL).value.int_val : (RESL).value.float_val); \
- p = (TYPE*)(RESR).value.dat_val; \
- } \
- \
+ \
+ p = (TYPE*)(RESR).value.dat_val; \
for(u=0; u<(SIZE); u++) \
- *p++ OP tree_val; \
- } \
+ *p++ = tree_val OP *p; \
+ } \
else if( ((RESL).type == H5Z_XFORM_SYMBOL) && ((RESR).type==H5Z_XFORM_SYMBOL)) \
{ \
- size_t u; \
TYPE* pl = (TYPE*)(RESL).value.dat_val; \
TYPE* pr = (TYPE*)(RESR).value.dat_val; \
\
for(u=0; u<(SIZE); u++) \
- *pl++ OP *pr++; \
+ *pl++ = *pl OP *pr++; \
} \
else \
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "Unexpected type conversion operation") \
- \
}
/* Due to the undefined nature of embedding macros/conditionals within macros, we employ
@@ -235,6 +242,7 @@ static void H5Z_print(H5Z_node *tree, FILE *stream);
}
#endif /*H5_SIZEOF_LONG_DOUBLE */
+
#define H5Z_XFORM_DO_OP3(OP) \
{ \
if((tree->lchild->type == H5Z_XFORM_INTEGER) && (tree->rchild->type==H5Z_XFORM_INTEGER)) \
@@ -259,6 +267,48 @@ static void H5Z_print(H5Z_node *tree, FILE *stream);
} \
}
+/* The difference of this macro from H5Z_XFORM_DO_OP3 is that it handles the operations when the left operand is empty, like -x or +x.
+ * The reason that it's seperated from H5Z_XFORM_DO_OP3 is because compilers don't accept operations like *x or /x. So in H5Z_do_op,
+ * these two macros are called in different ways.
+ */
+#define H5Z_XFORM_DO_OP6(OP) \
+{ \
+ if(!tree->lchild && (tree->rchild->type==H5Z_XFORM_INTEGER)) \
+ { \
+ tree->type = H5Z_XFORM_INTEGER; \
+ tree->value.int_val = OP tree->rchild->value.int_val; \
+ H5MM_xfree(tree->rchild); \
+ tree->rchild = NULL; \
+ } \
+ else if(!tree->lchild && (tree->rchild->type==H5Z_XFORM_FLOAT)) \
+ { \
+ tree->type = H5Z_XFORM_FLOAT; \
+ tree->value.float_val = OP tree->rchild->value.float_val; \
+ H5MM_xfree(tree->rchild); \
+ tree->rchild = NULL; \
+ } \
+ else if((tree->lchild->type == H5Z_XFORM_INTEGER) && (tree->rchild->type==H5Z_XFORM_INTEGER)) \
+ { \
+ tree->type = H5Z_XFORM_INTEGER; \
+ tree->value.int_val = tree->lchild->value.int_val OP tree->rchild->value.int_val; \
+ H5MM_xfree(tree->lchild); \
+ H5MM_xfree(tree->rchild); \
+ tree->lchild = NULL; \
+ tree->rchild = NULL; \
+ } \
+ else if( ( (tree->lchild->type == H5Z_XFORM_FLOAT) || (tree->lchild->type == H5Z_XFORM_INTEGER)) && \
+ ( (tree->rchild->type == H5Z_XFORM_FLOAT) || (tree->rchild->type == H5Z_XFORM_INTEGER))) \
+ { \
+ tree->type = H5Z_XFORM_FLOAT; \
+ tree->value.float_val = ((tree->lchild->type == H5Z_XFORM_FLOAT) ? tree->lchild->value.float_val : (double)tree->lchild->value.int_val) OP \
+ ((tree->rchild->type == H5Z_XFORM_FLOAT) ? tree->rchild->value.float_val : (double)tree->rchild->value.int_val); \
+ H5MM_xfree(tree->lchild); \
+ H5MM_xfree(tree->rchild); \
+ tree->lchild = NULL; \
+ tree->rchild = NULL; \
+ } \
+}
+
#define H5Z_XFORM_DO_OP4(TYPE) \
{ \
if ((ret_value = (H5Z_node*) H5MM_malloc(sizeof(H5Z_node))) == NULL) \
@@ -1027,6 +1077,9 @@ H5Z_xform_eval_full(H5Z_node *tree, const size_t array_size, const hid_t array_
/* check args */
HDassert(tree);
+ HDmemset(&resl, 0, sizeof(H5Z_result));
+ HDmemset(&resr, 0, sizeof(H5Z_result));
+
if (tree->type == H5Z_XFORM_INTEGER) {
res->type = H5Z_XFORM_INTEGER;
res->value.int_val = tree->value.int_val;
@@ -1044,7 +1097,7 @@ H5Z_xform_eval_full(H5Z_node *tree, const size_t array_size, const hid_t array_
res->value.dat_val = *((void**)(tree->value.dat_val));
} /* end if */
else {
- if(H5Z_xform_eval_full(tree->lchild, array_size, array_type, &resl) < 0)
+ if(tree->lchild && H5Z_xform_eval_full(tree->lchild, array_size, array_type, &resl) < 0)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "error while performing data transform")
if(H5Z_xform_eval_full(tree->rchild, array_size, array_type, &resr) < 0)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "error while performing data transform")
@@ -1059,19 +1112,19 @@ H5Z_xform_eval_full(H5Z_node *tree, const size_t array_size, const hid_t array_
switch (tree->type) {
case H5Z_XFORM_PLUS:
- H5Z_XFORM_TYPE_OP(resl, resr, array_type, +=, array_size)
+ H5Z_XFORM_TYPE_OP(resl, resr, array_type, +, array_size)
break;
case H5Z_XFORM_MINUS:
- H5Z_XFORM_TYPE_OP(resl, resr, array_type, -=, array_size)
+ H5Z_XFORM_TYPE_OP(resl, resr, array_type, -, array_size)
break;
case H5Z_XFORM_MULT:
- H5Z_XFORM_TYPE_OP(resl, resr, array_type, *=, array_size)
+ H5Z_XFORM_TYPE_OP(resl, resr, array_type, *, array_size)
break;
case H5Z_XFORM_DIVIDE:
- H5Z_XFORM_TYPE_OP(resl, resr, array_type, /=, array_size)
+ H5Z_XFORM_TYPE_OP(resl, resr, array_type, /, array_size)
break;
default:
@@ -1274,22 +1327,37 @@ H5Z_xform_reduce_tree(H5Z_node* tree)
FUNC_ENTER_NOAPI_NOINIT_NOERR
if(tree) {
- if((tree->type == H5Z_XFORM_PLUS) || (tree->type == H5Z_XFORM_DIVIDE) ||(tree->type == H5Z_XFORM_MULT) ||(tree->type == H5Z_XFORM_MINUS))
+ if((tree->type == H5Z_XFORM_DIVIDE) || (tree->type == H5Z_XFORM_MULT))
{
- if(((tree->lchild->type == H5Z_XFORM_INTEGER) || (tree->lchild->type == H5Z_XFORM_FLOAT)) && ((tree->rchild->type == H5Z_XFORM_INTEGER) || (tree->rchild->type == H5Z_XFORM_FLOAT)))
+ if(H5Z_op_is_numbs(tree))
H5Z_do_op(tree);
else
{
H5Z_xform_reduce_tree(tree->lchild);
- if(((tree->lchild->type == H5Z_XFORM_INTEGER) || (tree->lchild->type == H5Z_XFORM_FLOAT)) && ((tree->rchild->type == H5Z_XFORM_INTEGER) || (tree->rchild->type == H5Z_XFORM_FLOAT)))
+ if(H5Z_op_is_numbs(tree))
H5Z_do_op(tree);
else {
H5Z_xform_reduce_tree(tree->rchild);
- if(((tree->lchild->type == H5Z_XFORM_INTEGER) || (tree->lchild->type == H5Z_XFORM_FLOAT)) && ((tree->rchild->type == H5Z_XFORM_INTEGER) || (tree->rchild->type == H5Z_XFORM_FLOAT)))
+ if(H5Z_op_is_numbs(tree))
+ H5Z_do_op(tree);
+ }
+ }
+ } else if((tree->type == H5Z_XFORM_PLUS) || (tree->type == H5Z_XFORM_MINUS)) {
+ if(H5Z_op_is_numbs2(tree))
+ H5Z_do_op(tree);
+ else
+ {
+ H5Z_xform_reduce_tree(tree->lchild);
+ if(H5Z_op_is_numbs2(tree))
+ H5Z_do_op(tree);
+ else {
+ H5Z_xform_reduce_tree(tree->rchild);
+ if(H5Z_op_is_numbs2(tree))
H5Z_do_op(tree);
}
}
}
+
}
FUNC_LEAVE_NOAPI_VOID;
@@ -1297,6 +1365,63 @@ H5Z_xform_reduce_tree(H5Z_node* tree)
/*-------------------------------------------------------------------------
+ * Function: H5Z_op_is_numbs
+ * Purpose: Internal function to facilitate the condition check in
+ * H5Z_xform_reduce_tree to reduce the bulkiness of the code.
+ * Return: TRUE or FALSE
+ * Programmer: Raymond Lu
+ * 15 March 2012
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static hbool_t
+H5Z_op_is_numbs(H5Z_node* _tree)
+{
+ hbool_t ret_value = FALSE;
+
+ FUNC_ENTER_NOAPI_NOINIT_NOERR
+
+ assert(_tree);
+
+ if(((_tree->lchild->type == H5Z_XFORM_INTEGER) || (_tree->lchild->type == H5Z_XFORM_FLOAT)) && ((_tree->rchild->type == H5Z_XFORM_INTEGER) || (_tree->rchild->type == H5Z_XFORM_FLOAT)))
+ ret_value = TRUE;
+
+ FUNC_LEAVE_NOAPI(ret_value)
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5Z_op_is_numbs2
+ * Purpose: Internal function to facilitate the condition check in
+ * H5Z_xform_reduce_tree to reduce the bulkiness of the code.
+ * The difference from H5Z_op_is_numbs is that the left child
+ * can be empty, like -x or +x.
+ * Return: TRUE or FALSE
+ * Programmer: Raymond Lu
+ * 15 March 2012
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static hbool_t
+H5Z_op_is_numbs2(H5Z_node* _tree)
+{
+ hbool_t ret_value = FALSE;
+
+ FUNC_ENTER_NOAPI_NOINIT_NOERR
+
+ assert(_tree);
+
+ if((!_tree->lchild && ((_tree->rchild->type == H5Z_XFORM_INTEGER) || (_tree->rchild->type == H5Z_XFORM_FLOAT))) ||
+ ((_tree->lchild && ((_tree->lchild->type == H5Z_XFORM_INTEGER) || (_tree->lchild->type == H5Z_XFORM_FLOAT))) && (_tree->rchild && ((_tree->rchild->type == H5Z_XFORM_INTEGER) || (_tree->rchild->type == H5Z_XFORM_FLOAT)))))
+ ret_value = TRUE;
+
+ FUNC_LEAVE_NOAPI(ret_value)
+}
+
+
+/*-------------------------------------------------------------------------
* Function: H5Z_do_op
* Purpose: If the root of the tree passed in points to a simple
* arithmetic operation and the left and right subtrees are both
@@ -1307,7 +1432,11 @@ H5Z_xform_reduce_tree(H5Z_node* tree)
* Programmer: Leon Arber
* April 1, 2004.
* Modifications:
-*
+ * Raymond Lu
+ * 15 March 2012
+ * I added a new macro H5Z_XFORM_DO_OP6 to handle the special
+ * operations like -x or +x when the left operand is empty.
+ *
*-------------------------------------------------------------------------
*/
static void
@@ -1320,9 +1449,9 @@ H5Z_do_op(H5Z_node* tree)
else if(tree->type == H5Z_XFORM_MULT)
H5Z_XFORM_DO_OP3(*)
else if(tree->type == H5Z_XFORM_PLUS)
- H5Z_XFORM_DO_OP3(+)
+ H5Z_XFORM_DO_OP6(+)
else if(tree->type == H5Z_XFORM_MINUS)
- H5Z_XFORM_DO_OP3(-)
+ H5Z_XFORM_DO_OP6(-)
FUNC_LEAVE_NOAPI_VOID;
}
generated by cgit v0.12 at 2024-10-31 06:31:32 (GMT)