calc.c

   1 /* depend: */
   2 /* cflags: */
   3 /* linker: alloc.o argument.o color.o debug.o element.o format.o parser.o program.o readline.o stack.o storage.o tabular.o workspace.o -lm -lreadline */
   4
   5 #include <malloc.h>
   6 #include <stddef.h>
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #include <unistd.h>
  11
  12 #include "debug.h"
  13 #include "element.h"
  14 #include "format.h"
  15 #include "parser.h"
  16 #include "readline.h"
  17
  18 /* constants */
  19
  20 #define BUFFER_SIZE 4096
  21
  22 /* macros */
  23
  24 /* gobal variables */
  25
  26 char *progname = NULL;
  27 char *iprompt = "<= ";
  28 int mode = 1;
  29 char *oprompt = "=> ";
  30 int precision = 6;
  31
  32 /* help function */
  33
  34 #define PRINT_OPTION(fid, option, message, format, ...) \
  35     do { \
  36                 fprintf (fid, " %s: %s", option, message); \
  37         if (format) { \
  38                         fprintf (fid, " ("); \
  39                         color_set (fid, FG_BLACK | BG_WHITE); \
  40                 fprintf (fid, format ? format : "xx", ## __VA_ARGS__); \
  41                 color_set (fid, COLOR_DEFAULT); \
  42                         fprintf (fid, ")"); \
  43         } \
  44                 fprintf (fid, "\n"); \
  45         } while (0);
  46
  47 int usage (int ret)
  48 {
  49     FILE *fid = ret ? stderr : stdout;
  50     color_set (fid, UNDERLINE);
  51     fprintf (fid, "usage: %s\n", progname);
  52     color_set (fid, COLOR_DEFAULT);
  53     PRINT_OPTION (fid, "-b", "in/out-put base", "%s", show_base ());
  54     PRINT_OPTION (fid, "-h", "help message", NULL);
  55     PRINT_OPTION (fid, "-i", "input prompt", "%s", oprompt);
  56     PRINT_OPTION (fid, "-n", "no readline mode", "%s", mode ? "yes" : "no");
  57     PRINT_OPTION (fid, "-o", "output prompt", "%s", oprompt);
  58     PRINT_OPTION (fid, "-p", "precision", "%d", precision);
  59     PRINT_OPTION (fid, "-v", "verbose level", "%d", verbose);
  60
  61     return ret;
  62 }
  63
  64 /* main function */
  65
  66 int main (int argc, char *argv[])
  67 {
  68     char *buffer = NULL;
  69     char buffer_static[BUFFER_SIZE + 1] = {0};
  70     int i = 0, nb = 1, in, out;
  71     int ret = 0;
  72
  73     /* program name */
  74
  75     progname = argv[0];
  76     while (progname[i] != '\0') {
  77         if ((progname[i] == '/') || (progname[i] == '\\')) {
  78             progname += i + 1;
  79             i = 0;
  80         } else {
  81             i++;
  82         }
  83     }
  84
  85     /* argument processing */
  86
  87      while (argc-- > 1) {
  88         char *arg = *(++argv);
  89         if (arg[0] != '-') {
  90             VERBOSE (ERROR, fprintf (stderr, "%s: invalid option -- '%s'\n", progname, arg); usage (1));
  91             return 1;
  92         }
  93         char *pt = NULL;
  94         char c = arg[1];
  95         switch (c) {
  96         case 'b':
  97             arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL;
  98             if (arg == NULL) {
  99                 VERBOSE (ERROR, fprintf (stderr, "%s: missing base definition\n", progname); usage (1));
 100                 return 1;
 101             }
 102             in = out = strtol (arg, &pt, 10);
 103             if ((*pt == ' ') || (*pt == ',') || (*pt == '-')) {
 104                 pt++;
 105                 if (*pt == '\0') {
 106                     VERBOSE (ERROR, fprintf (stderr, "%s: missing output base definition\n", progname); usage (1));
 107                     return 1;
 108                 } else {
 109                     out = atoi (pt);
 110                 }
 111             }
 112             set_base (in, out);
 113             break;
 114         case 'i':
 115             arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL;
 116             if (arg == NULL) {
 117                 VERBOSE (ERROR, fprintf (stderr, "%s: missing input prompt\n", progname); usage (1));
 118                 return 1;
 119             }
 120             iprompt = arg;
 121             break;
 122         case 'n':
 123             mode = 0;
 124             buffer = buffer_static;
 125             break;
 126         case 'o':
 127             arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL;
 128             if (arg == NULL) {
 129                 VERBOSE (ERROR, fprintf (stderr, "%s: missing output prompt\n", progname); usage (1));
 130                 return 1;
 131             }
 132             set_prompt (oprompt = arg);
 133             break;
 134         case 'p':
 135             arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL;
 136             if (arg == NULL) {
 137                 VERBOSE (ERROR, fprintf (stderr, "%s: missing precision\n", progname); usage (1));
 138                 return 1;
 139             }
 140             set_precision (precision = atoi (arg));
 141             break;
 142         case 'v':
 143             arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL;
 144             if (arg == NULL) {
 145                 VERBOSE (ERROR, fprintf (stderr, "%s: missing verbose level\n", progname); usage (1));
 146                 return 1;
 147             }
 148             verbose = atoi (arg);
 149             break;
 150         case 'h':
 151         default:
 152             return usage (c != 'h');
 153         }
 154     }
 155
 156     /* set format */
 157     set_format ();
 158
 159     /* init readline */
 160     if (mode) {
 161         init_read_line ();
 162     }
 163
 164     /* read from input stream */
 165
 166     while (1) {
 167         char *line[BUFFER_SIZE] = {0};
 168
 169         if (mode) {
 170             if (read_line (&buffer, iprompt)) {
 171                 break;
 172             }
 173
 174             /* check empty line */
 175             if (buffer == NULL) {
 176                 continue;
 177             }
 178
 179             /* add line into history */
 180             manage_history (buffer);
 181
 182         } else {
 183             printf ("%s", iprompt);
 184             if (read (STDIN_FILENO, buffer, BUFFER_SIZE) == 0) {
 185                 break;
 186             }
 187         }
 188
 189         if (strcmp (buffer, ".") == 0) {
 190             break;
 191         }
 192
 193         /* pre-process buffer */
 194         nb = 0;
 195         char *pt = line[nb++] = buffer;
 196         while (*pt != '\0') {
 197             switch (*pt) {
 198             case '\n':
 199                 *pt = '\0';
 200                 // fallthrough
 201             case ';':
 202                 line[nb++] = pt + 1;
 203             }
 204             pt++;
 205         }
 206
 207         /* look for end of line */
 208         for (i = 0; i < nb; i++) {
 209             if (*line[i] == '\0') {
 210                 continue;
 211             }
 212             element_t *element = parser (line[i], NULL, -9);
 213             if (element == ERROR_OP) {
 214                 VERBOSE (WARNING, fprintf (stdout, "error while parsing: '%s'\n", line[i]));
 215                 ret = 1;
 216             } else if (element != NULL) {
 217                 VERBOSE (INFO, print_element (element, 0));
 218                 answer = evaluate_element (element, 0);
 219                 if (!element->hidden) {
 220                     print (answer);
 221                 }
 222                 delelement (element);
 223                 ret = 0;
 224             }
 225         }
 226
 227         if (mode) {
 228             free (buffer);
 229             buffer = NULL;
 230         } else {
 231             memset (buffer, 0, BUFFER_SIZE);
 232         }
 233         fflush (stdout);
 234     }
 235
 236     if (mode) {
 237         clean_read_line (buffer);
 238     }
 239
 240     free_format ();
 241
 242     return ret;
 243 }
 244
 245 // test: calc.exe -h
 246 // test: calc.exe -h | awk '/usage:/ { rc=1 } END { exit (1-rc) }'
 247 // test: echo 1 | calc.exe -v3 | grep -q value
 248 // test: calc.exe -_ 2> /dev/null | awk 'END { if (NR == 0) { exit(0) } else exit (1) }'
 249 // test: calc.exe -_ 2>&1 | awk '/usage:/ { rc=1 } END { exit (1-rc) }'
 250 // test: calc.exe error 2>&1 | grep -q 'invalid option'
 251 // test: calc.exe -b 2>&1 | grep -q 'missing base'
 252 // test: calc.exe -b 10, 2>&1 | grep -q 'missing output base'
 253 // test: calc.exe -b 10- 2>&1 | grep -q 'missing output base'
 254 // test: calc.exe -b '10 ' 2>&1 | grep -q 'missing output base'
 255 // test: calc.exe -i 2>&1 | grep -q 'missing input prompt'
 256 // test: calc.exe -o 2>&1 | grep -q 'missing output prompt'
 257 // test: calc.exe -p 2>&1 | grep -q 'missing precision'
 258 // test: calc.exe -v 2>&1 | grep -q 'missing verbose'
 259 // test: echo "1 +" | calc.exe; test $? -eq 1
 260 // test: echo "1 + 1" | calc.exe -i '# ' | grep -q '# 1 + 1'
 261 // test: echo "1 + 1" | calc.exe -i '# ' -i 'x ' | grep -q 'x 1 + 1'
 262 // test: echo "1 + 1" | calc.exe -o '# ' | grep -q '# 2'
 263 // test: echo "1 + 1" | calc.exe -o '# ' -o 'x ' | grep -q 'x 2'
 264 // test: echo "1 + 2" | calc.exe | grep -q '=> 3'
 265 // test: echo "1 - 2" | calc.exe | grep -q '=> -1'
 266 // test: echo "2 * 3" | calc.exe | grep -q '=> 6'
 267 // test: echo "1 / 2" | calc.exe | grep -q '=> 0\.5'
 268 // test: echo "8 % 3" | calc.exe | grep -q '=> 2'
 269 // test: echo "-9 % 3.1" | calc.exe | grep -q '=> -2\.8'
 270 // test: echo "2 ^ 3" | calc.exe | grep -q '=> 8'
 271 // test: echo "1e-1 + 2.34e3" | calc.exe | grep -q '=> 2340\.1'
 272 // test: echo "sqrt (2)" | calc.exe | grep -q '=> 1\.41421'
 273 // test: echo "pow (2, 3)" | calc.exe | grep -q '=> 8'
 274 // test: echo "cos (2)" | calc.exe | grep -q '=> -0\.416147'
 275 // test: echo "sin (2)" | calc.exe | grep -q '=> 0\.909297'
 276 // test: echo "atan (2)" | calc.exe | grep -q '=> 1\.10715'
 277 // test: echo "exp (2)" | calc.exe | grep -q '=> 7\.38906'
 278 // test: echo "ln (2)" | calc.exe | grep -q '=> 0\.693147'
 279 // test: echo "log (10)" | calc.exe | grep -q '=> 1'
 280 // test: echo "2 + 3 - 4" | calc.exe | grep -q '=> 1'
 281 // test: echo "1 + cos (2 - 3)" | calc.exe | grep -q '=> 1\.5403'
 282 // test: echo "cos (1 / 2) * 3" | calc.exe | grep -q '=> 2\.63275'
 283 // test: echo "1 + 4 * (2 - 3)" | calc.exe | grep -q '=> -3'
 284 // test: echo "10 - (5 + 5)" | calc.exe | grep -q '=> 0'
 285 // test: echo "10 + (5 + 5) * 2" | calc.exe | grep -q '=> 30'
 286 // test: echo "(2 - 3) / 4" | calc.exe | grep -q '=> -0\.25'
 287 // test: echo "pow (8 - 3, 4 / 3)" | calc.exe | grep -q '=> 8\.54988'
 288 // test: echo "1 + -2" | calc.exe | grep -q '=> -1'
 289 // test: echo "1 - +2" | calc.exe | grep -q '=> -1'
 290 // test: echo "-1 + +2" | calc.exe | grep -q '=> 1'
 291 // test: echo "-1+2" | calc.exe | grep -q '=> 1'
 292 // test: echo "1-2" | calc.exe | grep -q '=> -1'
 293 // test: echo "1 * 2 / 3 + 4" | calc.exe | grep -q '=> 4\.66667'
 294 // test: echo "2 ^ 3 * 4 + 5" | calc.exe | grep -q '=> 37'
 295 // test: echo "2 + 3 * 4 ^ 5" | calc.exe | grep -q '=> 3074'
 296 // test: echo "2 ^ 3 * 4 + cos(5/6)" | calc.exe | grep -q '=> 32\.6724'
 297 // test: echo "95-6.3*15-1" | calc.exe | grep -q '=> -0.5'
 298 // test: echo "95 - 6.3 * 15 - 1" | calc.exe | grep -q '=> -0\.5'
 299 // test: echo "95-6.3+15" | calc.exe | grep -q '=> 103.7'
 300 // test: echo "-cos (0) + 1" | calc.exe | grep -q '=> -0'
 301 // test: echo "-cos(0)+1" | calc.exe | grep -q '=> -0'
 302 // test: echo "quit" | calc.exe | grep -q 'bye'
 303 // test: echo "help" | calc.exe | grep -q 'miscellaneous'
 304 // test: echo -e '1 + 1\nhist' | calc.exe | grep -q '2: 1 + 1'
 305 // test: echo "1 + 2 *" | calc.exe | grep -q 'error'
 306 // test: echo "* 1 - 2" | calc.exe | grep -q 'error'
 307 // test: echo "2 + * 3" | calc.exe | grep -q 'error'
 308 // test: echo "2 + cos(3 *)" | calc.exe | grep -q 'error'
 309 // test: echo "2 + (foo)" | calc.exe | grep -q 'error'
 310 // test: echo "2 + cos (pi +" | calc.exe | grep -q 'error'
 311 // test: echo "2 + cos (pi" | calc.exe | grep -q 'error'
 312 // test: echo "(2 + " | calc.exe | grep -q 'error'
 313 // test: echo "1 (2 + 3)" | calc.exe | grep -q 'error'
 314 // test: echo "cos (1, 2)" | calc.exe | grep -q 'error'
 315 // test: echo "sqrt 2" | calc.exe | grep -q 'error'
 316 // test: echo "pow (2)" | calc.exe | grep -q 'error'
 317 // test: echo "1.23456789" | calc.exe -p 4 | grep -q '=> 1\.235'
 318 // test: echo . | calc.exe | grep -qv error
 319 // test: echo -e '1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1\n1 + 1' | calc.exe -n | grep -q 64
 320 // test: echo -e '1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1\n1 + 1' | calc.exe -n | grep -q 2
 321 // test: echo -e '1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1\n1 + 1' | calc.exe | grep -q 64
 322 // test: echo -e '1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1\n1 + 1' | calc.exe | grep -q 2
 323 // test: echo -e '-cos (1)\n1 + 1\n1 - 1\n1 * 1\n1 / 1\n3%2\n2^2\nsqrt (2)\ncos (0)\nsin (0)\ntan (0)\nacos (0)\nasin (0)\natan (0)\nln (1)\nlog (1)\nexp (1)\nabs (-1)\nceil (1.2)\nfloor (-1.2)\nans\ne\npi\nsto (1)\nrcl (2)\ndisp\nhelp\nhist\nquit' | calc.exe -n -v 3 | grep -q bye
 324 // test: echo -e '1 +\n1 -\n1 * 1\n1 /\n3%\n2^\nsqrt ()\ncos ()\nsin ()\ntan ()\nacos ()\nasin ()\natan ()\nln ()\nlog ()\nexp ()\nabs ()\nceil ()\nfloor ()\n1 + (\n1+2(\n1+2cos\n1+2pi' | calc.exe | grep -c error | xargs test 22 =
 325 // test: echo -e '1 + 1\nans' | calc.exe -p 3 | grep -c 2 | xargs test 2 =
 326 // test: echo -e 'sin (pi / 2)' | calc.exe -p 4 | grep -q 1
 327 // test: echo -e 'e ^ 2' | calc.exe | grep -q '7\.38906'
 328 // test: echo -e '\n\n\n' | calc.exe | grep -qv 'error'
 329 // test: echo -e '\n\n\n' | calc.exe -n | grep -qv 'error'
 330 // test: echo -e '1.5\nsto (2)\n3 + rcl(2) * 4\nsto (5)' | calc.exe | grep -q 9
 331 // test: echo -e '1\nsto (0)\nsto (11)\nrcl (0)\nrcl (11)' | calc.exe | grep -c error | xargs test 4 =
 332 // test: echo -e '1\nsto (2)\n3\nsto (5, 7)\nsto(9)\ndisp' | calc.exe | grep -q '0 1 0 0 7 0 0 0 7 0'
 333 // test: echo -e '1+1 == 2' | calc.exe | grep -q '=> 1'
 334 // test: echo -e '1 + 1 == 2 - 0' | calc.exe | grep -q '=> 1'
 335 // test: echo -e '1 == 1 + 1 == 1' | calc.exe | grep -q '=> 0'
 336 // test: echo -e '1-cos(3*pi/4) != 0.5^-2' | calc.exe | grep -q '=> 1'
 337 // test: echo -e '1 >= 2' | calc.exe | grep -q '=> 0'
 338 // test: echo -e '2 >= 2' | calc.exe | grep -q '=> 1'
 339 // test: echo -e '1 <= 2' | calc.exe | grep -q '=> 1'
 340 // test: echo -e '2 <= 2' | calc.exe | grep -q '=> 1'
 341 // test: echo -e '1 > 2' | calc.exe | grep -q '=> 0'
 342 // test: echo -e '2 > 2' | calc.exe | grep -q '=> 0'
 343 // test: echo -e '1 < 2' | calc.exe | grep -q '=> 1'
 344 // test: echo -e '2 < 2' | calc.exe | grep -q '=> 0'
 345 // test: echo -e '1 == 1\n1 != 1\n1 >= 1\n1 <= 1\n1 > 1\n1 < 1\nquit' | calc.exe -v 3 | grep -q bye
 346 // test: echo -e '(3 == 3) & (2 > 1)' | calc.exe | grep -q '=> 1'
 347 // test: echo -e '(3 == 4) & (2 > 1)' | calc.exe | grep -q '=> 0'
 348 // test: echo -e '(3 == 3) & (2 > 2)' | calc.exe | grep -q '=> 0'
 349 // test: echo -e '(3 == 4) & (2 > 2)' | calc.exe | grep -q '=> 0'
 350 // test: echo -e '(3 == 3) | (2 > 1)' | calc.exe | grep -q '=> 1'
 351 // test: echo -e '(3 == 4) | (2 > 1)' | calc.exe | grep -q '=> 1'
 352 // test: echo -e '(3 == 3) | (2 > 2)' | calc.exe | grep -q '=> 1'
 353 // test: echo -e '(3 == 4) | (2 > 2)' | calc.exe | grep -q '=> 0'
 354 // test: echo -e '!(3 == 4)' | calc.exe | grep -q '=> 1'
 355 // test: echo -e '!(3 == 3)' | calc.exe | grep -q '=> 0'
 356 // test: echo -e '1 & 1\n1 | 1\n!1\nquit' | calc.exe -n -v 3 | grep -qv error
 357 // test: echo -e '(3 == 3) & (4 > 2)' | calc.exe | grep -q '=> 1'
 358 // test: echo -e '3 == 3 & 4 > 2' | calc.exe | grep -q '=> 1'
 359 // test: echo -e '1 + quit' | calc.exe | grep -q error
 360 // test: echo -e 'cos (quit)' | calc.exe | grep -q error
 361 // test: echo -e '(quit)' | calc.exe | grep -q error
 362 // test: echo -e 'cos 3.14\n!\n! 3 4' | calc.exe | grep -c error | xargs test 3 =
 363 // test: echo -e 'sto (2, 3)\ncond (rcl (2) > 2, ln (64), exp (75 / 10))' | calc.exe  | grep -q '=> 4\.15888'
 364 // test: echo -e 'sto (2, 1)\ncond (rcl (2) > 2, ln (64), exp (75 / 10))' | calc.exe  | grep -q '=> 1808\.04'
 365 // test: echo -e 'sto (2, 1)\ncond (rcl (2) > 2, ln (64))' | calc.exe  | grep -q '=> 0'
 366 // test: echo -e 'cond (0, 1, 2)\nquit' | calc.exe -v 3 | grep -q Cond
 367 // test: echo -e 'cond\ncond (\ncond (1 >0,'| calc.exe | grep -c error | xargs test 3 =
 368 // test: echo -e 'sto (1, 4)\ninc (1)\ninc (1)\ndec (1)\ninc (1)\nrcl (1) == 6\nquit' | calc.exe -v 3 | grep -q '=> 1'
 369 // test: echo -e 'inc\ninc (\ndec\ndec (' | calc.exe | grep -c error | xargs test 4 =
 370 // test: echo -e 'inc (11)\ndec (0)' | calc.exe | grep -c error | xargs test 2 =
 371 // test: echo -e 'while (inc (1) < 100, sto (2, rcl (1) + rcl (2)))' | calc.exe | grep -q '=> 4950'
 372 // test: echo -e 'while\nwhile (inc (1) < 3,\nwhile (inc (1) < 100, sto (2, rcl (1) + rcl (2))' | calc.exe | grep -c error | xargs test 3 =
 373 // test: echo -e 'while (0, 1)\nquit' | calc.exe -v 3 | grep -q While
 374 // test: echo -e '{sto (1, 1 + 1), rcl (1) * 3}\nquit' | calc.exe -v 3 | grep -q 'Code'
 375 // test: echo -e '{sto (1, 1 + 1), rcl (1) * 3}' | calc.exe | grep -q '=> 6'
 376 // test: echo -e '{\n{}\n{1, 2\n{sto (1, 1 + 1),\npow(2, {sto (1, 1 + 2), 2}, {rcl(2)})\n2 {sto (1, 1 + 1)}' | calc.exe | grep -c error | xargs test 6 =
 377 // test: echo -e '1 }\n1 )\n1 , 2\n ' | calc.exe | grep -c error | xargs test 3 =
 378 // test: echo -e 'print (1)\nquit' | calc.exe -v 3 | grep -q Print
 379 // test: echo -e 'si\t\t (pi / 2)' | calc.exe | grep -q '=> 1'
 380 // test: echo -e '\t\t' | calc.exe | grep -q 'print'
 381 // test: echo -e '1 + 1;\nans + 1' | calc.exe | grep -qv 2
 382 // test: echo -e 'mem\nsto (4, pi)\ndisp' | calc.exe | grep -q "storage: 0 0 0 3.14159 0 0 0 0 0 0"
 383 // test: echo -e 'mem (0)\nsto (2, pi)\ndisp' | calc.exe | grep -q "storage: 0 3.14159 0 0 0 0 0 0 0 0"
 384 // test: echo -e 'mem\nmem (3)\nsto (4, pi)' | calc.exe | grep -q "error out of bound"
 385 // test: echo -e 'mem (-1)' | calc.exe | grep -q "error"
 386 // test: echo -e 'sto (2, 3)\nmem (2)\ndisp' | calc.exe | grep -q 'storage: 0 3$'
 387 // test: echo -e 'disp' | calc.exe | grep -q "storage: 0 0 0 0 0 0 0 0 0 0"
 388 // test: echo -e 'sto (3, 10)\ndisp' | calc.exe | grep -q "storage: 0 0 10 0 0 0 0 0 0 0"
 389 // test: echo -e 'rcl (3)\ndisp' | calc.exe | grep -q "storage: 0 0 0 0 0 0 0 0 0 0"
 390 // test: echo -e 'inc (2)\ndisp' | calc.exe | grep -q "storage: 0 1 0 0 0 0 0 0 0 0"
 391 // test: echo -e 'dec (2)\ndisp' | calc.exe | grep -q "storage: 0 -1 0 0 0 0 0 0 0 0"
 392 // test: echo -e 'clr\nsto (3, pi)\nclr\ndisp' | calc.exe | grep -q "storage: 0 0 0 0 0 0 0 0 0 0"
 393 // test: echo -e 'mem (3)\nclr\nquit' | calc.exe -v 3 | grep -q Clear
 394 // test: echo -e 'prog (2, {arg (2) - arg (1)})\nprog (1, {cos (arg (1)^2)})\ncall (1, pi/6)\nprog (2, {arg (1) * 3})\ncall (2, 1, 2)\nls' | calc.exe | grep -q 'programs: 2 1'
 395 // test: echo -e 'prog (1, {arg (2) - arg (1)})\ncall (1, 2, 3)\nls\nedit (1)\n\nprog (1, {arg (2) + arg (1)})\nedit (1)\n\ndel (1)\nquit' | calc.exe -v 3 | grep -q bye
 396 // test: echo -e 'prog (2, {arg (2) - arg (1)})\nprog (3, cos(arg (1) * pi / 3))\ncall (1, 2, 3)\ncall (2, 1)\nls\nedit (1)\n\ndel (1)\ndel (3)\ndel (2)\ncall (2, 1, 4)' | calc.exe | grep -c error | xargs test 5 =
 397 // test: echo -e 'prog (2, {arg (2) - arg (1)})\nprog (3, cos(arg (1) * pi / 3))\ndel (2)\ndel (3)\nls' | calc.exe | grep -q '^programs:$'
 398 // test: echo -e 'erf (1)\nerfc (1)\nquit' | calc.exe -v 3 | grep -q bye
 399 // test: echo -e 'erf ()\nerfc ()' | calc.exe | grep -c error | xargs test 2 =
 400 // test: echo -e 'set (1, 2, 3, 3.11, pi, 4)\nget (4)' | calc.exe | grep -q '=> 3.11'
 401 // test: echo -e 'set (1, 2, 3, 3.11, pi, 4)\npop\npop\n5\npush\nshow' | calc.exe | grep -q 'stack: 1 2 3 3.11 5'
 402 // test: echo -e 'set (1, 2, 3, 3.11, pi, 4)\nset\nput (3, 4)\nshow' | calc.exe | grep -q 'stack: 0 0 4'
 403 // test: echo -e 'set (0, -1)\nset (1, 2, 3, 3.11, pi, 4)\nlen' | calc.exe | grep -q '=> 6'
 404 // test: echo -e 'set (1, 2)\npop\npush (3)\nput (5, -1)\nlen\nshow\nget (3)\nquit' | calc.exe -n -v 3 | grep -q bye
 405 // test: echo -e 'put\nget\nget (1)\npop\nput (0)' | calc.exe | grep -c 'error' | xargs test 5 =
 406 // test: echo -e 'push (1)\npush (2)' | calc.exe | grep -q '=> 2'
 407 // test: echo -e 'prog (1, {set (1, 2), push (arg (1)), show})\ncall (1, 10)\nprog (1, {mem (1), sto (1, cos (arg (1)))})\ncall (1, pi / 2)\ndel (1)' | calc.exe -n | grep -q 'stack: 1 2 10'
 408 // test: echo -e 'prog (1, {set (1, 2), push (arg (1)), show});\ncall (1, 10);\nshow\ndel (1)' | calc.exe -n | grep -q 'stack:$'
 409 // test: echo -e 'prog (1, {set (1, 2), push (arg (1)), show});\ncall (1, 10);\nlen' | calc.exe -n | grep -q '=> 0'
 410 // test: echo -e 'prog (1, {mem (2), sto (1, arg (1) - rcl (1) / 2)})\ncall (1, 1)\ncall (1, 2)\ncall (1, 3)\nprog (1, {mem (2), sto (2, rcl (1)), sto (1, arg (1)), rcl (2)})\ncall (1, 10)' | calc.exe -n | grep -q '=> 2.25'
 411 // test: echo -e 'set (1, 2, -5, 6, -8, 9, -2, 23, 4)\nord\nshow' | calc.exe | grep -q 'stack: -8 -5 -2 1 2 4 6 9 23'
 412 // test: echo -e 'set (1, 2, -5, 6, -8, 9, -2, 23, 4)\nmin (5, -3)\nmax (-1)\nmean (1, 2)\nvar (1, 2)\nmin\nmean\nmed\nmax\nprod\nsum\nvar' | calc.exe | awk 'BEGIN { split("9 -3 -1 1.5 0.5 -8 3.33333 2 23 -794880 30 73.3333", v) } /=>/ { for (i in v) if ($2 == v[i]) n++ } END { exit n != 12 }'
 413 // test: echo -e 'set (1, 2, -5, 6, -8, 9, -2, 23, 4)\nmin (5, -3)\nmax (-1)\nmin\nmean\nmed\nmax\nord\nprod\nsum\nvar\nquit' | calc.exe -n -v 3 | grep -q bye
 414 // test: echo -e 'min\nmean\nmed\nmax\nprod\nsum\nvar\nord\nset (1)\nord' | calc.exe -n | grep -c error | xargs test 9 =
 415 // test: echo -e 'prog (1, cos(pi * arg (1))) / 4' | calc.exe | grep -c error | xargs test 1 =
 416 // test: echo -e 'format\n.12345678901' | calc.exe | grep -q '=> 6'
 417 // test: echo -e 'format (8)\n.12345678901' | calc.exe | grep -q '=> 0.12345679'
 418 // test: echo -e 'format (12)\n.12345678901' | calc.exe | grep -q '=> 0.12345678901'
 419 // test: echo -e 'format (4)\n.12345678901\format' | calc.exe | grep -q '=> 4'
 420 // test: echo -e 'format (0)' | calc.exe | grep -q 'error'
 421 // test: echo -e 'ff + ff' | calc.exe -b 16 | grep -q '=> 1fe'
 422 // test: echo -e '60 / 4' | calc.exe -b 8 | grep -q '=> 14'
 423 // test: echo -e 'z00-z0+1-2*z+20x' | calc.exe -b 36 | grep -q '=> 1000'
 424 // test: echo -e '255' | calc.exe -b 10,16 | grep -q '=> ff'
 425 // test: echo -e 'base (-2)\nbase (16, 0)' | calc.exe | grep -c error | xargs test 2 =
 426 // test: echo -e 'base (10, 16)\n255' | calc.exe | grep -q '=> ff'
 427 // test: echo -e 'base (10, 16)\nsto (2, 255)\ndisp' | calc.exe | grep -q 'storage: 0 ff 0 0 0 0 0 0 0 0'
 428 // test: echo -e 'base' | calc.exe | grep -q 'base (I/O): 10/10'
 429 // test: echo -e 'deg\nacos (-1)\ngrad\nacos (-1)\nrad\nacos (-1)' | calc.exe | awk 'BEGIN { split("180 200 3.14159", v) } /=>/ { for (i in v) if ($2 == v[i]) n++ } END { exit n != 3 }'
 430 // test: echo -e 'format\nbase\ndeg\ngrad\nrad\nquit' | calc.exe -v 3 | grep -q bye
 431
 432 // Gauss sequence
 433 // test: echo -e '{sto (1, 0), sto (10, 0), while (inc (10) <= 100, {sto (1, rcl (1) + rcl (10)), print (rcl (1))})};' | calc.exe | grep -q '=> 5050'
 434
 435 // Fibonacci sequence
 436 // test: echo -e '{sto (1, 1), sto (2, 1), sto (10, 1), while (inc (10) <= 12 - 1, {sto (3, rcl (1) + rcl (2)), sto (1, rcl (2)), print (sto (2, rcl (3)))})};' | calc.exe | grep -q '=> 144'
 437
 438 // Gold number
 439 // test: echo -e '{sto (1, 1), sto (2, 1), sto (10, 1), while (inc (10) < 15 - 1, {sto (3, rcl (1) + rcl (2)), sto (1, rcl (2)), print (sto (2, rcl (3)) / rcl (1))})};' | calc.exe | grep -q '=> 1.61803'
 440
 441 // Factorial sequence
 442 // test: echo -e 'prog (1, cond (arg (1) > 1, arg (1) * call (1, arg (1) - 1), 1))\ncall (1, 10)' | calc.exe | grep -q '=> 3.6288e+06'
 443
 444 // Birthday problem
 445 // test: echo -e '{sto (1, 365), sto (2, 0), sto (10, 1), while (inc (2) < 50, {sto (10, rcl (10) * (rcl (1) - rcl (2)) / rcl (1)), print (rcl (2) + 1), print ((1 - rcl (10)) * 100)})};' | calc.exe | grep -q '=> 97.0374'
 446
 447 /* vim: set ts=4 sw=4 et: */