1 |
greg |
1.1 |
#ifndef lint |
2 |
greg |
1.14 |
static const char RCSid[] = "$Id: total.c,v 1.13 2016/08/18 00:52:47 greg Exp $"; |
3 |
greg |
1.1 |
#endif |
4 |
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/* |
5 |
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* total.c - program to reduce columns of data. |
6 |
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* |
7 |
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* 5/18/88 |
8 |
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*/ |
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10 |
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#include <stdlib.h> |
11 |
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#include <ctype.h> |
12 |
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#include <math.h> |
13 |
greg |
1.4 |
#include "platform.h" |
14 |
greg |
1.13 |
#include "rtio.h" |
15 |
greg |
1.1 |
|
16 |
greg |
1.8 |
#define MAXCOL 8192 /* maximum number of columns */ |
17 |
greg |
1.1 |
|
18 |
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#define ADD 0 /* add numbers */ |
19 |
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#define MULT 1 /* multiply numbers */ |
20 |
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#define MAX 2 /* maximum */ |
21 |
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#define MIN 3 /* minimum */ |
22 |
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23 |
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double init_val[] = {0., 1., -1e12, 1e12}; /* initial values */ |
24 |
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|
25 |
greg |
1.11 |
long incnt = 0; /* limit number of input records? */ |
26 |
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long outcnt = 0; /* limit number of output records? */ |
27 |
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|
28 |
greg |
1.1 |
int func = ADD; /* default function */ |
29 |
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double power = 0.0; /* power for sum */ |
30 |
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int mean = 0; /* compute mean */ |
31 |
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int count = 0; /* number to sum */ |
32 |
greg |
1.4 |
int nbicols = 0; /* number of binary input columns */ |
33 |
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int bocols = 0; /* produce binary output columns */ |
34 |
greg |
1.1 |
int tabc = '\t'; /* default separator */ |
35 |
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int subtotal = 0; /* produce subtotals? */ |
36 |
greg |
1.11 |
int nrecsout = 0; /* number of records produced */ |
37 |
greg |
1.1 |
|
38 |
schorsch |
1.2 |
static int execute(char *fname); |
39 |
greg |
1.1 |
|
40 |
schorsch |
1.2 |
int |
41 |
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main( |
42 |
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int argc, |
43 |
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char *argv[] |
44 |
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) |
45 |
greg |
1.1 |
{ |
46 |
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int status; |
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int a; |
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|
49 |
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for (a = 1; a < argc; a++) |
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if (argv[a][0] == '-') |
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if (argv[a][1] >= '0' && argv[a][1] <= '9') |
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count = atoi(argv[a]+1); |
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else |
54 |
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switch (argv[a][1]) { |
55 |
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case 'm': |
56 |
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mean = !mean; |
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break; |
58 |
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case 'p': |
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func = MULT; |
60 |
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break; |
61 |
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case 's': |
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func = ADD; |
63 |
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power = atof(argv[a]+2); |
64 |
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break; |
65 |
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case 'u': |
66 |
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func = MAX; |
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break; |
68 |
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case 'l': |
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func = MIN; |
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break; |
71 |
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case 't': |
72 |
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tabc = argv[a][2]; |
73 |
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break; |
74 |
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case 'r': |
75 |
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subtotal = !subtotal; |
76 |
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break; |
77 |
greg |
1.4 |
case 'i': |
78 |
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switch (argv[a][2]) { |
79 |
greg |
1.11 |
case 'n': |
80 |
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incnt = atol(argv[++a]); |
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break; |
82 |
greg |
1.4 |
case 'a': |
83 |
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nbicols = 0; |
84 |
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break; |
85 |
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case 'd': |
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if (isdigit(argv[a][3])) |
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nbicols = atoi(argv[a]+3); |
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else |
89 |
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nbicols = 1; |
90 |
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if (nbicols > MAXCOL) { |
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fprintf(stderr, |
92 |
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"%s: too many input columns\n", |
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argv[0]); |
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exit(1); |
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} |
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break; |
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case 'f': |
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if (isdigit(argv[a][3])) |
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nbicols = -atoi(argv[a]+3); |
100 |
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else |
101 |
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nbicols = -1; |
102 |
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if (-nbicols > MAXCOL) { |
103 |
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fprintf(stderr, |
104 |
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"%s: too many input columns\n", |
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argv[0]); |
106 |
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exit(1); |
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} |
108 |
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break; |
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default: |
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goto userr; |
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} |
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break; |
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case 'o': |
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switch (argv[a][2]) { |
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greg |
1.11 |
case 'n': |
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outcnt = atol(argv[++a]); |
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break; |
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greg |
1.4 |
case 'a': |
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bocols = 0; |
120 |
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break; |
121 |
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case 'd': |
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bocols = 1; |
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break; |
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case 'f': |
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bocols = -1; |
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break; |
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default: |
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goto userr; |
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} |
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break; |
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default:; |
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userr: |
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greg |
1.1 |
fprintf(stderr, |
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greg |
1.4 |
"Usage: %s [-m][-sE|p|u|l][-tC][-i{f|d}[N]][-o{f|d}][-count [-r]] [file..]\n", |
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greg |
1.1 |
argv[0]); |
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exit(1); |
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} |
138 |
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else |
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break; |
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if (mean) { |
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if (func == MAX) { |
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fprintf(stderr, "%s: average maximum?!\n", argv[0]); |
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exit(1); |
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} |
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if (func == MIN) { |
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fprintf(stderr, "%s: average minimum?!\n", argv[0]); |
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exit(1); |
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} |
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} |
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greg |
1.4 |
if (bocols) |
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SET_FILE_BINARY(stdout); |
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greg |
1.1 |
status = 0; |
153 |
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if (a >= argc) |
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status = execute(NULL) == -1 ? 1 : status; |
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else |
156 |
greg |
1.11 |
for ( ; a < argc && (outcnt <= 0 || nrecsout < outcnt); a++) |
157 |
greg |
1.1 |
status = execute(argv[a]) == -1 ? 2 : status; |
158 |
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exit(status); |
159 |
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} |
160 |
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161 |
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schorsch |
1.2 |
static int |
163 |
greg |
1.4 |
getrecord( /* read next input record */ |
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double field[MAXCOL], |
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FILE *fp |
166 |
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) |
167 |
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{ |
168 |
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char buf[16*MAXCOL]; |
169 |
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char *cp, *num; |
170 |
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int nf; |
171 |
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/* reading binary input? */ |
172 |
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if (nbicols > 0) |
173 |
greg |
1.13 |
return(getbinary(field, sizeof(double), nbicols, fp)); |
174 |
greg |
1.4 |
if (nbicols < 0) { |
175 |
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float *fbuf = (float *)buf; |
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int i; |
177 |
greg |
1.13 |
nf = getbinary(fbuf, sizeof(float), -nbicols, fp); |
178 |
greg |
1.4 |
for (i = nf; i-- > 0; ) |
179 |
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field[i] = fbuf[i]; |
180 |
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return(nf); |
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} |
182 |
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/* reading ASCII input */ |
183 |
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cp = fgets(buf, sizeof(buf), fp); |
184 |
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if (cp == NULL) |
185 |
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return(0); |
186 |
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for (nf = 0; nf < MAXCOL; nf++) { |
187 |
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while (isspace(*cp)) |
188 |
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cp++; |
189 |
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if (!*cp) |
190 |
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break; |
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num = cp; |
192 |
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while (*cp && !(isspace(tabc)?isspace(*cp):*cp==tabc)) |
193 |
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cp++; |
194 |
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if (*cp) |
195 |
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*cp++ = '\0'; |
196 |
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if (!*num || isspace(*num)) |
197 |
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field[nf] = init_val[func]; |
198 |
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else |
199 |
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field[nf] = atof(num); |
200 |
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} |
201 |
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return(nf); |
202 |
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} |
203 |
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204 |
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205 |
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static void |
206 |
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putrecord( /* write out results record */ |
207 |
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const double *field, |
208 |
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int n, |
209 |
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FILE *fp |
210 |
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) |
211 |
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{ |
212 |
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/* binary output? */ |
213 |
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if (bocols > 0) { |
214 |
greg |
1.13 |
putbinary(field, sizeof(double), n, fp); |
215 |
greg |
1.4 |
return; |
216 |
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} |
217 |
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if (bocols < 0) { |
218 |
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float fv; |
219 |
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while (n-- > 0) { |
220 |
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fv = *field++; |
221 |
greg |
1.13 |
putbinary(&fv, sizeof(float), 1, fp); |
222 |
greg |
1.4 |
} |
223 |
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return; |
224 |
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} |
225 |
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/* ASCII output */ |
226 |
greg |
1.10 |
while (n-- > 0) { |
227 |
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fprintf(fp, "%.9g", *field++); |
228 |
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if (n) fputc(tabc, fp); |
229 |
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} |
230 |
greg |
1.4 |
fputc('\n', fp); |
231 |
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} |
232 |
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233 |
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234 |
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static int |
235 |
schorsch |
1.2 |
execute( /* compute result */ |
236 |
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char *fname |
237 |
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) |
238 |
greg |
1.1 |
{ |
239 |
greg |
1.4 |
double inpval[MAXCOL]; |
240 |
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double tally[MAXCOL]; |
241 |
greg |
1.7 |
short rsign[MAXCOL]; |
242 |
greg |
1.1 |
double result[MAXCOL]; |
243 |
greg |
1.7 |
int n; |
244 |
greg |
1.4 |
int nread, ncol; |
245 |
greg |
1.1 |
long nlin, ltotal; |
246 |
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FILE *fp; |
247 |
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/* open file */ |
248 |
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if (fname == NULL) |
249 |
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fp = stdin; |
250 |
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else if ((fp = fopen(fname, "r")) == NULL) { |
251 |
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fprintf(stderr, "%s: cannot open\n", fname); |
252 |
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return(-1); |
253 |
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} |
254 |
greg |
1.4 |
if (nbicols) |
255 |
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SET_FILE_BINARY(fp); |
256 |
greg |
1.9 |
#ifdef getc_unlocked /* avoid lock/unlock overhead */ |
257 |
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flockfile(fp); |
258 |
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#endif |
259 |
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|
260 |
greg |
1.1 |
ltotal = 0; |
261 |
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while (!feof(fp)) { |
262 |
schorsch |
1.3 |
if (ltotal == 0) { /* initialize */ |
263 |
greg |
1.1 |
if (func == MULT) /* special case */ |
264 |
greg |
1.7 |
for (n = 0; n < MAXCOL; n++) { |
265 |
greg |
1.4 |
tally[n] = 0.0; |
266 |
greg |
1.7 |
rsign[n] = 1; |
267 |
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} |
268 |
greg |
1.1 |
else |
269 |
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for (n = 0; n < MAXCOL; n++) |
270 |
greg |
1.4 |
tally[n] = init_val[func]; |
271 |
schorsch |
1.3 |
} |
272 |
greg |
1.1 |
ncol = 0; |
273 |
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for (nlin = 0; (count <= 0 || nlin < count) && |
274 |
greg |
1.11 |
(incnt <= 0 || nlin < incnt) && |
275 |
greg |
1.4 |
(nread = getrecord(inpval, fp)) > 0; |
276 |
greg |
1.1 |
nlin++) { |
277 |
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/* compute */ |
278 |
greg |
1.4 |
for (n = 0; n < nread; n++) |
279 |
greg |
1.1 |
switch (func) { |
280 |
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case ADD: |
281 |
greg |
1.4 |
if (inpval[n] == 0.0) |
282 |
greg |
1.1 |
break; |
283 |
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if (power != 0.0) |
284 |
greg |
1.4 |
tally[n] += pow(fabs(inpval[n]),power); |
285 |
greg |
1.1 |
else |
286 |
greg |
1.4 |
tally[n] += inpval[n]; |
287 |
greg |
1.1 |
break; |
288 |
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case MULT: |
289 |
greg |
1.4 |
if (inpval[n] == 0.0) |
290 |
greg |
1.7 |
rsign[n] = 0; |
291 |
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else if (inpval[n] < 0.0) { |
292 |
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rsign[n] = -rsign[n]; |
293 |
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inpval[n] = -inpval[n]; |
294 |
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} |
295 |
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if (rsign[n]) |
296 |
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tally[n] += log(inpval[n]); |
297 |
greg |
1.1 |
break; |
298 |
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case MAX: |
299 |
greg |
1.4 |
if (inpval[n] > tally[n]) |
300 |
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tally[n] = inpval[n]; |
301 |
greg |
1.1 |
break; |
302 |
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case MIN: |
303 |
greg |
1.4 |
if (inpval[n] < tally[n]) |
304 |
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tally[n] = inpval[n]; |
305 |
greg |
1.1 |
break; |
306 |
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} |
307 |
greg |
1.4 |
if (nread > ncol) |
308 |
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ncol = nread; |
309 |
greg |
1.1 |
} |
310 |
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if (nlin == 0) |
311 |
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break; |
312 |
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/* compute and print */ |
313 |
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ltotal += nlin; |
314 |
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for (n = 0; n < ncol; n++) { |
315 |
greg |
1.4 |
result[n] = tally[n]; |
316 |
greg |
1.1 |
if (mean) { |
317 |
greg |
1.4 |
result[n] /= (double)ltotal; |
318 |
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if (func == ADD && power != 0.0 && result[n] != 0.0) |
319 |
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result[n] = pow(result[n], 1.0/power); |
320 |
greg |
1.1 |
} |
321 |
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if (func == MULT) |
322 |
greg |
1.7 |
result[n] = rsign[n] * exp(result[n]); |
323 |
greg |
1.1 |
} |
324 |
greg |
1.4 |
putrecord(result, ncol, stdout); |
325 |
greg |
1.11 |
++nrecsout; |
326 |
|
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if (outcnt > 0 && nrecsout >= outcnt) |
327 |
|
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break; |
328 |
greg |
1.1 |
if (!subtotal) |
329 |
|
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ltotal = 0; |
330 |
greg |
1.12 |
if (incnt > 0 && nlin >= incnt) |
331 |
|
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break; |
332 |
greg |
1.1 |
} |
333 |
greg |
1.4 |
/* close input */ |
334 |
greg |
1.1 |
return(fclose(fp)); |
335 |
|
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} |