+Mon Mar 29 16:26:40 2004 Ben Pfaff <blp@gnu.org>
+
+ * debug.c: Removed. Moved cmd_debug_evaluate() into expr-evl.c.
+
+ * expr-evl.c: (cmd_debug_evaluate) Moved here from debug.c.
+
+Mon Mar 29 16:03:08 2004 Ben Pfaff <blp@gnu.org>
+
+ * algorithm.c: By default turn off some of the more expensive
+ assertions.
+ (expensive_assert) New macro which expands to assert if
+ EXTRA_CHECKS is defined, to nothing otherwise.
+ (unique) Use expensive_assert().
+ (binary_search) Ditto.
+ (push_heap) Ditto.
+ (pop_heap) Ditto.
+ (make_heap) Ditto.
+ (sort_heap) Ditto.
+
+ * command.c: (conflicting_3char_prefixes) Words that are the same
+ don't cause conflicts when they are abbreviated to the first three
+ letters.
+
+ * expr-evl.c: (CONCAT_func) Fix memory leak by incrementing struct
+ nonterm_node's n earlier.
+ (generic_str_func) Ditto.
+
+Mon Mar 29 15:32:17 2004 Ben Pfaff <blp@gnu.org>
+
+ Add support for multipass procedures. Rewrite DESCRIPTIVES to
+ test multipass support, take advantage of new moments
+ calculation, and to not be such crappy code. Get rid of q2c
+ processing for DESCRIPTIVES.
+
+ * vfm.c: (struct multipass_split_aux_data) New structure.
+ (multipass_procedure_with_splits) New function.
+ (multipass_split_callback) New function.
+ (multipass_split_output) New function.
+ * descript.q: Removed.
+
+ * descript.c: New file.
+
+ * var.h: Removed descriptives enums.
+ (struct descriptives_proc) Removed.
+ (struct variable) Removed p.dsc.
+
+ * Makefile.am: (q_sources_c) Remove descript.c.
+ (q_sources_q) Removed descript.q.
+
+Mon Mar 29 15:31:55 2004 Ben Pfaff <blp@gnu.org>
+
+ New manager for keeping track of used workspace.
+
+ * workspace.c: New file.
+
+ * workspace.h: New file.
+
+ * Makefile.am: (pspp_SOURCES) Add workspace.c, workspace.h.
+
+ * sort.c: (do_internal_sort) Use workspace_malloc().
+ (destroy_internal_sort) Use workspace_free().
+
+Mon Mar 29 15:31:08 2004 Ben Pfaff <blp@gnu.org>
+
+ New `struct casefile' for managing sets of cases.
+
+ * casefile.c: New file.
+
+ * casefile.h: New file.
+
+ * command.def: Add DEBUG CASEFILE command.
+
+ * Makefile.am: (pspp_SOURCES) Add casefile.c, casefile.h.
+
+ * sort.c: (sort_cases) Move logic for sending storage file to disk
+ into do_external_sort().
+ (struct internal_sort) Use an array of ccase pointers instead of a
+ case_list.
+ (do_internal_sort) Rewrite to handle casefiles.
+ (compare_case_list) Removed.
+ (compare_cases) New function.
+ (compare_case_dblptrs) New function.
+ (read_internal_sort_output) Deal with new struct internal_sort.
+
+ * vfm.c: (static var workspace_overflow) Removed.
+ (struct storage_stream_info) Removed all the members. Added
+ struct casefile * member.
+ (storage_sink_open) Use casefile.
+ (open_storage_file) Removed.
+ (write_storage_file) Removed.
+ (storage_to_disk) Removed.
+ (destroy_storage_stream_info) Use casefile.
+ (storage_sink_write) Use casefile.
+ (storage_sink_make_source) Use casefile.
+ (storage_source_count) Use casefile.
+ (storage_source_read) Use casefile.
+ (storage_source_on_disk) Removed.
+ (storage_source_get_cases) Removed.
+ (storage_source_set_cases) Removed.
+ (storage_source_get_casefile) New function.
+
+Mon Mar 29 15:30:09 2004 Ben Pfaff <blp@gnu.org>
+
+ New `struct moments' for calculating moments.
+
+ * stats.c: Removed.
+
+ * stats.h: Removed.
+
+ * moments.c: New file.
+
+ * moments.h: New file.
+
+ * command.def: Add DEBUG MOMENTS command.
+
+ * Makefile.am: (pspp_SOURCES) Add moments.c, moments.h. Remove
+ stats.c, stats.h.
+
+ * aggregate.c: Modify AGGREGATE to use the new moments
+ calculation, even if not in such a great way.
+ (struct agr_var) Add `moments' member.
+ (parse_aggregate_functions) Set `moments' member to null.
+ (agr_destroy) Destroy `moments' member.
+ (accumulate_aggregate_info) Use `moments' for standard deviation.
+ (dump_aggregate_info) Ditto.
+ (initialize_aggregate_info) Create or clear `moments'.
+
+ * misc.h: Add pow2(), pow3(), pow4() functions in place of sqr(),
+ cube(), pow4() that were in stats.h. All references updated.
+
+ * crosstabs.q: stats.h had chi-square significance functions. Use
+ GSL instead.
+ (display_chisq) Use gsl_cdf_chisq_Q() instead of chisq_sig().
+
+ * expr-evl.c: (expr_evaluate) Use moments_of_values() for
+ OP_CFVAR, OP_MEAN, OP_SD, OP_VARIANCE.
+
Fri Mar 26 14:21:23 2004 Ben Pfaff <blp@gnu.org>
* dictionary.c: (dict_compact_values) Compacted values need to
projects / pspp / blobdiff