1 /* PSPP - computes sample statistics.
2 Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
3 Written by Ben Pfaff <blp@gnu.org>.
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20 /* PORTME: There might easily be alignment problems with some of these
23 /* This attribute might avoid some problems. On the other hand... */
24 #define P ATTRIBUTE ((packed))
27 #pragma option -a- /* Turn off alignment. */
30 /* Find 32-bit signed integer type. */
35 #elif SIZEOF_LONG == 4
38 #error Which one of your basic types is 32-bit signed integer?
41 /* Find 64-bit floating-point type. */
44 #define FLT64_MAX FLT_MAX
45 #elif SIZEOF_DOUBLE == 8
47 #define FLT64_MAX DBL_MAX
48 #elif SIZEOF_LONG_DOUBLE == 8
49 #define flt64 long double
50 #define FLT64_MAX LDBL_MAX
52 #error Which one of your basic types is 64-bit floating point?
54 #define FLT64_MAX DBL_MAX
57 /* Figure out SYSMIS value for flt64. */
59 #if SIZEOF_DOUBLE == 8
60 #define second_lowest_flt64 second_lowest_value
62 #error Must define second_lowest_flt64 for your architecture.
65 /* Record Type 1: General Information. */
68 char rec_type[4] P; /* 00: Record-type code, "$FL2". */
69 char prod_name[60] P; /* 04: Product identification. */
70 int32 layout_code P; /* 40: 2. */
71 int32 case_size P; /* 44: Number of `value's per case.
72 Note: some systems set this to -1 */
73 int32 compress P; /* 48: 1=compressed, 0=not compressed. */
74 int32 weight_idx P; /* 4c: 1-based index of weighting var, or 0. */
75 int32 case_cnt P; /* 50: Number of cases, -1 if unknown. */
76 flt64 bias P; /* 54: Compression bias (100.0). */
77 char creation_date[9] P; /* 5c: `dd mmm yy' creation date of file. */
78 char creation_time[8] P; /* 65: `hh:mm:ss' 24-hour creation time. */
79 char file_label[64] P; /* 6d: File label. */
80 char padding[3] P; /* ad: Ignored padding. */
83 /* Record Type 2: Variable. */
84 struct sysfile_variable
86 int32 rec_type P; /* 2. */
87 int32 type P; /* 0=numeric, 1-255=string width,
88 -1=continued string. */
89 int32 has_var_label P; /* 1=has a variable label, 0=doesn't. */
90 int32 n_missing_values P; /* Missing value code of -3,-2,0,1,2, or 3. */
91 int32 print P; /* Print format. */
92 int32 write P; /* Write format. */
93 char name[SHORT_NAME_LEN] P; /* Variable name. */
94 /* The rest of the structure varies. */