| 1 |
#ifndef lint |
| 2 |
static const char RCSid[] = "$Id: total.c,v 1.11 2016/03/24 18:48:28 greg Exp $"; |
| 3 |
#endif |
| 4 |
/* |
| 5 |
* total.c - program to reduce columns of data. |
| 6 |
* |
| 7 |
* 5/18/88 |
| 8 |
*/ |
| 9 |
|
| 10 |
#include <stdio.h> |
| 11 |
#include <stdlib.h> |
| 12 |
#include <ctype.h> |
| 13 |
#include <math.h> |
| 14 |
#include "platform.h" |
| 15 |
|
| 16 |
#define MAXCOL 8192 /* maximum number of columns */ |
| 17 |
|
| 18 |
#define ADD 0 /* add numbers */ |
| 19 |
#define MULT 1 /* multiply numbers */ |
| 20 |
#define MAX 2 /* maximum */ |
| 21 |
#define MIN 3 /* minimum */ |
| 22 |
|
| 23 |
double init_val[] = {0., 1., -1e12, 1e12}; /* initial values */ |
| 24 |
|
| 25 |
long incnt = 0; /* limit number of input records? */ |
| 26 |
long outcnt = 0; /* limit number of output records? */ |
| 27 |
|
| 28 |
int func = ADD; /* default function */ |
| 29 |
double power = 0.0; /* power for sum */ |
| 30 |
int mean = 0; /* compute mean */ |
| 31 |
int count = 0; /* number to sum */ |
| 32 |
int nbicols = 0; /* number of binary input columns */ |
| 33 |
int bocols = 0; /* produce binary output columns */ |
| 34 |
int tabc = '\t'; /* default separator */ |
| 35 |
int subtotal = 0; /* produce subtotals? */ |
| 36 |
int nrecsout = 0; /* number of records produced */ |
| 37 |
|
| 38 |
static int execute(char *fname); |
| 39 |
|
| 40 |
int |
| 41 |
main( |
| 42 |
int argc, |
| 43 |
char *argv[] |
| 44 |
) |
| 45 |
{ |
| 46 |
int status; |
| 47 |
int a; |
| 48 |
|
| 49 |
for (a = 1; a < argc; a++) |
| 50 |
if (argv[a][0] == '-') |
| 51 |
if (argv[a][1] >= '0' && argv[a][1] <= '9') |
| 52 |
count = atoi(argv[a]+1); |
| 53 |
else |
| 54 |
switch (argv[a][1]) { |
| 55 |
case 'm': |
| 56 |
mean = !mean; |
| 57 |
break; |
| 58 |
case 'p': |
| 59 |
func = MULT; |
| 60 |
break; |
| 61 |
case 's': |
| 62 |
func = ADD; |
| 63 |
power = atof(argv[a]+2); |
| 64 |
break; |
| 65 |
case 'u': |
| 66 |
func = MAX; |
| 67 |
break; |
| 68 |
case 'l': |
| 69 |
func = MIN; |
| 70 |
break; |
| 71 |
case 't': |
| 72 |
tabc = argv[a][2]; |
| 73 |
break; |
| 74 |
case 'r': |
| 75 |
subtotal = !subtotal; |
| 76 |
break; |
| 77 |
case 'i': |
| 78 |
switch (argv[a][2]) { |
| 79 |
case 'n': |
| 80 |
incnt = atol(argv[++a]); |
| 81 |
break; |
| 82 |
case 'a': |
| 83 |
nbicols = 0; |
| 84 |
break; |
| 85 |
case 'd': |
| 86 |
if (isdigit(argv[a][3])) |
| 87 |
nbicols = atoi(argv[a]+3); |
| 88 |
else |
| 89 |
nbicols = 1; |
| 90 |
if (nbicols > MAXCOL) { |
| 91 |
fprintf(stderr, |
| 92 |
"%s: too many input columns\n", |
| 93 |
argv[0]); |
| 94 |
exit(1); |
| 95 |
} |
| 96 |
break; |
| 97 |
case 'f': |
| 98 |
if (isdigit(argv[a][3])) |
| 99 |
nbicols = -atoi(argv[a]+3); |
| 100 |
else |
| 101 |
nbicols = -1; |
| 102 |
if (-nbicols > MAXCOL) { |
| 103 |
fprintf(stderr, |
| 104 |
"%s: too many input columns\n", |
| 105 |
argv[0]); |
| 106 |
exit(1); |
| 107 |
} |
| 108 |
break; |
| 109 |
default: |
| 110 |
goto userr; |
| 111 |
} |
| 112 |
break; |
| 113 |
case 'o': |
| 114 |
switch (argv[a][2]) { |
| 115 |
case 'n': |
| 116 |
outcnt = atol(argv[++a]); |
| 117 |
break; |
| 118 |
case 'a': |
| 119 |
bocols = 0; |
| 120 |
break; |
| 121 |
case 'd': |
| 122 |
bocols = 1; |
| 123 |
break; |
| 124 |
case 'f': |
| 125 |
bocols = -1; |
| 126 |
break; |
| 127 |
default: |
| 128 |
goto userr; |
| 129 |
} |
| 130 |
break; |
| 131 |
default:; |
| 132 |
userr: |
| 133 |
fprintf(stderr, |
| 134 |
"Usage: %s [-m][-sE|p|u|l][-tC][-i{f|d}[N]][-o{f|d}][-count [-r]] [file..]\n", |
| 135 |
argv[0]); |
| 136 |
exit(1); |
| 137 |
} |
| 138 |
else |
| 139 |
break; |
| 140 |
if (mean) { |
| 141 |
if (func == MAX) { |
| 142 |
fprintf(stderr, "%s: average maximum?!\n", argv[0]); |
| 143 |
exit(1); |
| 144 |
} |
| 145 |
if (func == MIN) { |
| 146 |
fprintf(stderr, "%s: average minimum?!\n", argv[0]); |
| 147 |
exit(1); |
| 148 |
} |
| 149 |
} |
| 150 |
if (bocols) |
| 151 |
SET_FILE_BINARY(stdout); |
| 152 |
status = 0; |
| 153 |
if (a >= argc) |
| 154 |
status = execute(NULL) == -1 ? 1 : status; |
| 155 |
else |
| 156 |
for ( ; a < argc && (outcnt <= 0 || nrecsout < outcnt); a++) |
| 157 |
status = execute(argv[a]) == -1 ? 2 : status; |
| 158 |
exit(status); |
| 159 |
} |
| 160 |
|
| 161 |
|
| 162 |
static int |
| 163 |
getrecord( /* read next input record */ |
| 164 |
double field[MAXCOL], |
| 165 |
FILE *fp |
| 166 |
) |
| 167 |
{ |
| 168 |
char buf[16*MAXCOL]; |
| 169 |
char *cp, *num; |
| 170 |
int nf; |
| 171 |
/* reading binary input? */ |
| 172 |
if (nbicols > 0) |
| 173 |
return(fread(field, sizeof(double), nbicols, fp)); |
| 174 |
if (nbicols < 0) { |
| 175 |
float *fbuf = (float *)buf; |
| 176 |
int i; |
| 177 |
nf = fread(fbuf, sizeof(float), -nbicols, fp); |
| 178 |
for (i = nf; i-- > 0; ) |
| 179 |
field[i] = fbuf[i]; |
| 180 |
return(nf); |
| 181 |
} |
| 182 |
/* reading ASCII input */ |
| 183 |
cp = fgets(buf, sizeof(buf), fp); |
| 184 |
if (cp == NULL) |
| 185 |
return(0); |
| 186 |
for (nf = 0; nf < MAXCOL; nf++) { |
| 187 |
while (isspace(*cp)) |
| 188 |
cp++; |
| 189 |
if (!*cp) |
| 190 |
break; |
| 191 |
num = cp; |
| 192 |
while (*cp && !(isspace(tabc)?isspace(*cp):*cp==tabc)) |
| 193 |
cp++; |
| 194 |
if (*cp) |
| 195 |
*cp++ = '\0'; |
| 196 |
if (!*num || isspace(*num)) |
| 197 |
field[nf] = init_val[func]; |
| 198 |
else |
| 199 |
field[nf] = atof(num); |
| 200 |
} |
| 201 |
return(nf); |
| 202 |
} |
| 203 |
|
| 204 |
|
| 205 |
static void |
| 206 |
putrecord( /* write out results record */ |
| 207 |
const double *field, |
| 208 |
int n, |
| 209 |
FILE *fp |
| 210 |
) |
| 211 |
{ |
| 212 |
/* binary output? */ |
| 213 |
if (bocols > 0) { |
| 214 |
fwrite(field, sizeof(double), n, fp); |
| 215 |
return; |
| 216 |
} |
| 217 |
if (bocols < 0) { |
| 218 |
float fv; |
| 219 |
while (n-- > 0) { |
| 220 |
fv = *field++; |
| 221 |
fwrite(&fv, sizeof(float), 1, fp); |
| 222 |
} |
| 223 |
return; |
| 224 |
} |
| 225 |
/* ASCII output */ |
| 226 |
while (n-- > 0) { |
| 227 |
fprintf(fp, "%.9g", *field++); |
| 228 |
if (n) fputc(tabc, fp); |
| 229 |
} |
| 230 |
fputc('\n', fp); |
| 231 |
} |
| 232 |
|
| 233 |
|
| 234 |
static int |
| 235 |
execute( /* compute result */ |
| 236 |
char *fname |
| 237 |
) |
| 238 |
{ |
| 239 |
double inpval[MAXCOL]; |
| 240 |
double tally[MAXCOL]; |
| 241 |
short rsign[MAXCOL]; |
| 242 |
double result[MAXCOL]; |
| 243 |
int n; |
| 244 |
int nread, ncol; |
| 245 |
long nlin, ltotal; |
| 246 |
FILE *fp; |
| 247 |
/* open file */ |
| 248 |
if (fname == NULL) |
| 249 |
fp = stdin; |
| 250 |
else if ((fp = fopen(fname, "r")) == NULL) { |
| 251 |
fprintf(stderr, "%s: cannot open\n", fname); |
| 252 |
return(-1); |
| 253 |
} |
| 254 |
if (nbicols) |
| 255 |
SET_FILE_BINARY(fp); |
| 256 |
#ifdef getc_unlocked /* avoid lock/unlock overhead */ |
| 257 |
flockfile(fp); |
| 258 |
#endif |
| 259 |
|
| 260 |
ltotal = 0; |
| 261 |
while (!feof(fp)) { |
| 262 |
if (ltotal == 0) { /* initialize */ |
| 263 |
if (func == MULT) /* special case */ |
| 264 |
for (n = 0; n < MAXCOL; n++) { |
| 265 |
tally[n] = 0.0; |
| 266 |
rsign[n] = 1; |
| 267 |
} |
| 268 |
else |
| 269 |
for (n = 0; n < MAXCOL; n++) |
| 270 |
tally[n] = init_val[func]; |
| 271 |
} |
| 272 |
ncol = 0; |
| 273 |
for (nlin = 0; (count <= 0 || nlin < count) && |
| 274 |
(incnt <= 0 || nlin < incnt) && |
| 275 |
(nread = getrecord(inpval, fp)) > 0; |
| 276 |
nlin++) { |
| 277 |
/* compute */ |
| 278 |
for (n = 0; n < nread; n++) |
| 279 |
switch (func) { |
| 280 |
case ADD: |
| 281 |
if (inpval[n] == 0.0) |
| 282 |
break; |
| 283 |
if (power != 0.0) |
| 284 |
tally[n] += pow(fabs(inpval[n]),power); |
| 285 |
else |
| 286 |
tally[n] += inpval[n]; |
| 287 |
break; |
| 288 |
case MULT: |
| 289 |
if (inpval[n] == 0.0) |
| 290 |
rsign[n] = 0; |
| 291 |
else if (inpval[n] < 0.0) { |
| 292 |
rsign[n] = -rsign[n]; |
| 293 |
inpval[n] = -inpval[n]; |
| 294 |
} |
| 295 |
if (rsign[n]) |
| 296 |
tally[n] += log(inpval[n]); |
| 297 |
break; |
| 298 |
case MAX: |
| 299 |
if (inpval[n] > tally[n]) |
| 300 |
tally[n] = inpval[n]; |
| 301 |
break; |
| 302 |
case MIN: |
| 303 |
if (inpval[n] < tally[n]) |
| 304 |
tally[n] = inpval[n]; |
| 305 |
break; |
| 306 |
} |
| 307 |
if (nread > ncol) |
| 308 |
ncol = nread; |
| 309 |
} |
| 310 |
if (nlin == 0) |
| 311 |
break; |
| 312 |
/* compute and print */ |
| 313 |
ltotal += nlin; |
| 314 |
for (n = 0; n < ncol; n++) { |
| 315 |
result[n] = tally[n]; |
| 316 |
if (mean) { |
| 317 |
result[n] /= (double)ltotal; |
| 318 |
if (func == ADD && power != 0.0 && result[n] != 0.0) |
| 319 |
result[n] = pow(result[n], 1.0/power); |
| 320 |
} |
| 321 |
if (func == MULT) |
| 322 |
result[n] = rsign[n] * exp(result[n]); |
| 323 |
} |
| 324 |
putrecord(result, ncol, stdout); |
| 325 |
++nrecsout; |
| 326 |
if (outcnt > 0 && nrecsout >= outcnt) |
| 327 |
break; |
| 328 |
if (!subtotal) |
| 329 |
ltotal = 0; |
| 330 |
if (incnt > 0 && nlin >= incnt) |
| 331 |
break; |
| 332 |
} |
| 333 |
/* close input */ |
| 334 |
return(fclose(fp)); |
| 335 |
} |
