X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fcasereader-translator.c;h=cab13fe31dd98a2f5280af5dd406a7b6b485ada4;hb=b7479c9a558c9d46c5685724b0a67f8ba2e7956c;hp=27ea413460aa501a61d4d81ae97a9c9c8f1d50df;hpb=871dbf77ccabc6963c27006dc3d9aae3f949883d;p=pspp diff --git a/src/data/casereader-translator.c b/src/data/casereader-translator.c index 27ea413460..cab13fe31d 100644 --- a/src/data/casereader-translator.c +++ b/src/data/casereader-translator.c @@ -1,5 +1,5 @@ /* PSPP - a program for statistical analysis. - Copyright (C) 2007, 2009 Free Software Foundation, Inc. + Copyright (C) 2007, 2009, 2011 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -15,15 +15,16 @@ along with this program. If not, see . */ #include -#include -#include + #include -#include -#include -#include +#include "data/casereader-provider.h" +#include "data/casereader.h" +#include "data/val-type.h" +#include "data/variable.h" +#include "libpspp/taint.h" -#include "xalloc.h" +#include "gl/xalloc.h" /* Casereader that applies a user-supplied function to translate each case into another in an arbitrary fashion. */ @@ -356,7 +357,7 @@ static struct ccase *car_translate (struct ccase *input, void *car_); If DISTINCT_CALLBACK is non-null, then it will be called exactly once for every case containing a distinct value of V. AUX is - an auxilliary pointer passed to DISTINCT_CALLBACK. + an auxiliary pointer passed to DISTINCT_CALLBACK. After this function is called, SUBREADER must not ever again be referenced directly. It will be destroyed automatically @@ -368,7 +369,7 @@ casereader_create_append_rank (struct casereader *subreader, enum rank_error *err, distinct_func *distinct_callback, void *aux - ) + ) { struct casereader_append_rank *car = xmalloc (sizeof *car); car->proto = caseproto_ref (casereader_get_proto (subreader)); @@ -406,13 +407,13 @@ car_translate (struct ccase *input, void *car_) const double value = case_data (input, car->var)->f; - if ( car->prev_value != SYSMIS) + if (car->prev_value != SYSMIS) { if (car->err && value < car->prev_value) *car->err |= RANK_ERR_UNSORTED; } - if ( car->n_common == 1) + if (car->n_common == 1) { double vxx = SYSMIS; casenumber k = 0; @@ -420,7 +421,7 @@ car_translate (struct ccase *input, void *car_) if (car->weight) { weight = case_data (input, car->weight)->f; - if ( car->err && weight < 0 ) + if (car->err && weight < 0) *car->err |= RANK_ERR_NEGATIVE_WEIGHT; } @@ -431,13 +432,13 @@ car_translate (struct ccase *input, void *car_) break; vxx = case_data (c, car->var)->f; - if ( vxx == value) + if (vxx == value) { if (car->weight) { double w = case_data (c, car->weight)->f; - if ( car->err && w < 0 ) + if (car->err && w < 0) *car->err |= RANK_ERR_NEGATIVE_WEIGHT; weight += w; @@ -490,25 +491,26 @@ uniquify (const struct ccase *c, void *aux) const union value *current_value = case_data (c, cdr->key); const int key_width = var_get_width (cdr->key); const double weight = cdr->weight ? case_data (c, cdr->weight)->f : 1.0; - const struct ccase *next_case = casereader_peek (cdr->clone, cdr->n + 1); + struct ccase *next_case = casereader_peek (cdr->clone, cdr->n + 1); int dir = 0; cdr->n ++; cdr->cc += weight; - if ( NULL == next_case) + if (NULL == next_case) goto end; - + dir = value_compare_3way (case_data (next_case, cdr->key), current_value, key_width); - if ( dir != 0 ) + case_unref (next_case); + if (dir != 0) { /* Insist that the data are sorted */ assert (cdr->direction == 0 || dir == cdr->direction); cdr->direction = dir; goto end; } - + return false; end: @@ -533,7 +535,7 @@ consolodate_weight (struct ccase *input, void *aux) else { c = case_unshare_and_resize (input, cdr->proto); - case_data_rw_idx (c, caseproto_get_n_widths (cdr->proto) - 1)->f = cdr->prev_cc; + case_data_rw_idx (c, caseproto_get_n_widths (cdr->proto) - 1)->f = cdr->prev_cc; } return c; @@ -554,7 +556,7 @@ uniquify_destroy (void *aux) -/* Returns a new casereader which is based upon INPUT, but which contains a maximum +/* Returns a new casereader which is based upon INPUT, but which contains a maximum of one case for each distinct value of KEY. If WEIGHT is non-null, then the new casereader's values for this variable will be the sum of all values matching KEY. @@ -580,7 +582,7 @@ casereader_create_distinct (struct casereader *input, cdr->clone = casereader_clone (input); cdr->direction = 0; - if ( NULL == cdr->weight ) + if (NULL == cdr->weight) output_proto = caseproto_add_width (output_proto, 0); cdr->proto = output_proto;