X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fdata-io%2Fmatrix-data.c;h=7676bb1de0157d45c0c74ead6f2a18c387378cc6;hb=3c15b41c0360cc66ad9608a18ba379112f10b5b9;hp=97d14739b3a56ab2b8ef7f1cc38ad137ddf911d4;hpb=8d6bfdd2a100bf8166b3b0b3f006d46f3e7a59e9;p=pspp diff --git a/src/language/data-io/matrix-data.c b/src/language/data-io/matrix-data.c index 97d14739b3..7676bb1de0 100644 --- a/src/language/data-io/matrix-data.c +++ b/src/language/data-io/matrix-data.c @@ -106,16 +106,16 @@ set_varname_column (struct ccase *outcase, const struct variable *vname, const char *str) { int len = var_get_width (vname); - uint8_t *s = value_str_rw (case_data_rw (outcase, vname), len); + uint8_t *s = case_str_rw (outcase, vname); - strncpy ((char *) s, str, len); + strncpy (CHAR_CAST (char *, s), str, len); } static void blank_varname_column (struct ccase *outcase, const struct variable *vname) { int len = var_get_width (vname); - uint8_t *s = value_str_rw (case_data_rw (outcase, vname), len); + uint8_t *s = case_str_rw (outcase, vname); memset (s, ' ', len); } @@ -137,20 +137,30 @@ preprocess (struct casereader *casereader0, const struct dictionary *dict, void /* Make an initial pass to populate our temporary matrix */ struct casereader *pass0 = casereader_clone (casereader0); struct ccase *c; - unsigned int prev_split_hash = 1; + union value *prev_values = xcalloc (mformat->n_split_vars, sizeof *prev_values); int row = (mformat->triangle == LOWER && mformat->diagonal == NO_DIAGONAL) ? 1 : 0; + bool first_case = true; for (; (c = casereader_read (pass0)) != NULL; case_unref (c)) { int s; - unsigned int split_hash = 0; - for (s = 0; s < mformat->n_split_vars; ++s) + bool match = false; + if (!first_case) { - const struct variable *svar = mformat->split_vars[s]; - const union value *sv = case_data (c, svar); - split_hash = value_hash (sv, var_get_width (svar), split_hash); + match = true; + for (s = 0; s < mformat->n_split_vars; ++s) + { + const struct variable *svar = mformat->split_vars[s]; + const union value *sv = case_data (c, svar); + if (! value_equal (prev_values + s, sv, var_get_width (svar))) + { + match = false; + break; + } + } } + first_case = false; - if (matrices == NULL || prev_split_hash != split_hash) + if (matrices == NULL || ! match) { row = (mformat->triangle == LOWER && mformat->diagonal == NO_DIAGONAL) ? 1 : 0; @@ -160,13 +170,18 @@ preprocess (struct casereader *casereader0, const struct dictionary *dict, void matrices[n_splits - 1] = xmalloc (sizeof_matrix); } - prev_split_hash = split_hash; + for (s = 0; s < mformat->n_split_vars; ++s) + { + const struct variable *svar = mformat->split_vars[s]; + const union value *sv = case_data (c, svar); + value_clone (prev_values + s, sv, var_get_width (svar)); + } int c_offset = (mformat->triangle == UPPER) ? row : 0; if (mformat->triangle == UPPER && mformat->diagonal == NO_DIAGONAL) c_offset++; const union value *v = case_data (c, mformat->rowtype); - const char *val = (const char *) value_str (v, ROWTYPE_WIDTH); + const char *val = CHAR_CAST (const char *, v->s); if (0 == strncasecmp (val, "corr ", ROWTYPE_WIDTH) || 0 == strncasecmp (val, "cov ", ROWTYPE_WIDTH)) { @@ -177,6 +192,7 @@ preprocess (struct casereader *casereader0, const struct dictionary *dict, void mformat->n_continuous_vars, row + 1); case_unref (c); casereader_destroy (pass0); + free (prev_values); goto error; } int col; @@ -202,6 +218,7 @@ preprocess (struct casereader *casereader0, const struct dictionary *dict, void } } casereader_destroy (pass0); + free (prev_values); /* Now make a second pass to fill in the other triangle from our temporary matrix */ @@ -213,8 +230,7 @@ preprocess (struct casereader *casereader0, const struct dictionary *dict, void int col; struct ccase *outcase = case_create (proto); union value *v = case_data_rw (outcase, mformat->rowtype); - uint8_t *n = value_str_rw (v, ROWTYPE_WIDTH); - strncpy ((char *) n, "N ", ROWTYPE_WIDTH); + memcpy (v->s, "N ", ROWTYPE_WIDTH); blank_varname_column (outcase, mformat->varname); for (col = 0; col < mformat->n_continuous_vars; ++col) { @@ -226,28 +242,44 @@ preprocess (struct casereader *casereader0, const struct dictionary *dict, void casewriter_write (writer, outcase); } - prev_split_hash = 1; n_splits = 0; + prev_values = xcalloc (mformat->n_split_vars, sizeof *prev_values); + first_case = true; for (; (c = casereader_read (casereader0)) != NULL; prev_case = c) { int s; - unsigned int split_hash = 0; - for (s = 0; s < mformat->n_split_vars; ++s) + bool match = false; + if (!first_case) { - const struct variable *svar = mformat->split_vars[s]; - const union value *sv = case_data (c, svar); - split_hash = value_hash (sv, var_get_width (svar), split_hash); + match = true; + for (s = 0; s < mformat->n_split_vars; ++s) + { + const struct variable *svar = mformat->split_vars[s]; + const union value *sv = case_data (c, svar); + if (! value_equal (prev_values + s, sv, var_get_width (svar))) + { + match = false; + break; + } + } } - if (prev_split_hash != split_hash) + first_case = false; + if (! match) { n_splits++; row = 0; } - prev_split_hash = split_hash; + for (s = 0; s < mformat->n_split_vars; ++s) + { + const struct variable *svar = mformat->split_vars[s]; + const union value *sv = case_data (c, svar); + value_clone (prev_values + s, sv, var_get_width (svar)); + } + case_unref (prev_case); const union value *v = case_data (c, mformat->rowtype); - const char *val = (const char *) value_str (v, ROWTYPE_WIDTH); + const char *val = CHAR_CAST (const char *, v->s); if (mformat->n >= 0) { if (0 == strncasecmp (val, "n ", ROWTYPE_WIDTH) || @@ -325,7 +357,7 @@ preprocess (struct casereader *casereader0, const struct dictionary *dict, void casewriter_write (writer, outcase); } - + free (prev_values); if (prev_case) case_unref (prev_case); @@ -629,4 +661,3 @@ data_list_trns_proc (void *trns_, struct ccase **c, casenumber case_num UNUSED) return retval; } -