X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fvector.c;h=fd65d284d43ea6d75d1db2885f1b9ad87d37bce9;hb=26b8e68e01f3422f2f1be2469435d34d27635c44;hp=8f3de2f36890ae80443fe1a6d2d5e44c161d2e36;hpb=338fb2a2e84df6427a2fdee6769421f57d5666d8;p=pspp-builds.git diff --git a/src/data/vector.c b/src/data/vector.c index 8f3de2f3..fd65d284 100644 --- a/src/data/vector.c +++ b/src/data/vector.c @@ -1,21 +1,18 @@ -/* PSPP - computes sample statistics. +/* PSPP - a program for statistical analysis. Copyright (C) 2006 Free Software Foundation, Inc. - Written by Ben Pfaff . - 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 the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. + 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 + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. - This program 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 - General Public License for more details. + This program 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 General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - 02110-1301, USA. */ + along with this program. If not, see . */ #include #include "vector.h" @@ -30,7 +27,7 @@ /* Vector of variables. */ struct vector { - char name[LONG_NAME_LEN + 1]; /* Name. */ + char name[VAR_NAME_LEN + 1]; /* Name. */ struct variable **vars; /* Set of variables. */ size_t var_cnt; /* Number of variables. */ }; @@ -38,11 +35,11 @@ struct vector /* Checks that all the variables in VECTOR have consistent width. */ static void -check_widths (const struct vector *vector) +check_widths (const struct vector *vector) { int width = var_get_width (vector->vars[0]); size_t i; - + for (i = 1; i < vector->var_cnt; i++) assert (width == var_get_width (vector->vars[i])); } @@ -52,7 +49,7 @@ check_widths (const struct vector *vector) All variables in VARS must have the same type and width. */ struct vector * vector_create (const char *name, - struct variable **vars, size_t var_cnt) + struct variable **vars, size_t var_cnt) { struct vector *vector = xmalloc (sizeof *vector); @@ -69,35 +66,35 @@ vector_create (const char *name, /* Creates and returns a new vector as a clone of OLD, but that contains variables from NEW_DICT that are in the same position - as those in OLD are in OLD_DICT. + as those in OLD are in OLD_DICT. All variables in the new vector must have the same type and width. */ struct vector * vector_clone (const struct vector *old, const struct dictionary *old_dict, - const struct dictionary *new_dict) + const struct dictionary *new_dict) { struct vector *new = xmalloc (sizeof *new); size_t i; - + strcpy (new->name, old->name); new->vars = xnmalloc (old->var_cnt, sizeof *new->vars); new->var_cnt = old->var_cnt; - for (i = 0; i < new->var_cnt; i++) + for (i = 0; i < new->var_cnt; i++) { assert (dict_contains_var (old_dict, old->vars[i])); new->vars[i] = dict_get_var (new_dict, var_get_dict_index (old->vars[i])); } check_widths (new); - + return new; } /* Destroys VECTOR. */ void -vector_destroy (struct vector *vector) +vector_destroy (struct vector *vector) { free (vector->vars); free (vector); @@ -105,20 +102,20 @@ vector_destroy (struct vector *vector) /* Returns VECTOR's name. */ const char * -vector_get_name (const struct vector *vector) +vector_get_name (const struct vector *vector) { return vector->name; } /* Returns the type of the variables in VECTOR. */ -enum var_type vector_get_type (const struct vector *vector) +enum val_type vector_get_type (const struct vector *vector) { return var_get_type (vector->vars[0]); } /* Returns the variable in VECTOR with the given INDEX. */ struct variable * -vector_get_var (const struct vector *vector, size_t index) +vector_get_var (const struct vector *vector, size_t index) { assert (index < vector->var_cnt); return vector->vars[index]; @@ -126,7 +123,7 @@ vector_get_var (const struct vector *vector, size_t index) /* Returns the number of variables in VECTOR. */ size_t -vector_get_var_cnt (const struct vector *vector) +vector_get_var_cnt (const struct vector *vector) { return vector->var_cnt; } @@ -140,7 +137,7 @@ compare_vector_ptrs_by_name (const void *a_, const void *b_) struct vector *const *pb = b_; struct vector *a = *pa; struct vector *b = *pb; - + return strcasecmp (a->name, b->name); }