#define DEFAULT_FORMAT "=> %.6g\n"
char *format = NULL;
+char *minform = NULL;
/* compare codes */
{ "|", Or, 2, 1, -2}
};
-#define NB_FUNCTIONS 25
+#define NB_FUNCTIONS 26
keyword_t functions[NB_FUNCTIONS] = {
{ "sqrt", Sqr, 1, 4, 5},
{ "pow", Pow, 2, 3, 5},
{ "dec", Dec, 1, 3, 5},
{ "disp", Disp, 0, 4, 9},
{ "mem", Mem, 1, 3, 9},
+ { "clr", Clear, 0, 3, 9},
{ "quit", Quit, 0, 4, 9},
{ "help", Help, 0, 4, 9},
{ "!", Not, 1, 1, 6},
case Dec: func = "Decrease"; break;
case Disp: func = "Display"; break;
case Mem: func = "Memory"; break;
+ case Clear: func = "Clear"; break;
case Quit: func = "Quit"; break;
case Help: func = "Help"; break;
case Ans: func = "Ans"; break;
if ((index > 0) && (index <= storage_size)) {
storage[index - 1] = value;
} else {
- VERBOSE (WARNING, fprintf (stdout, "invalid index (%d) [1, %d]\n", index, storage_size));
+ VERBOSE (WARNING, fprintf (stdout, "invalid index (%d) [%d, %d]\n", index, (storage_size) ? 1 : 0, storage_size));
}
return value;
}
if ((index > 0) && (index <= storage_size)) {
return storage[index - 1];
} else {
- VERBOSE (WARNING, fprintf (stdout, "invalid index (%d) [1, %d]\n", index, storage_size));
+ VERBOSE (WARNING, fprintf (stdout, "invalid index (%d) [%d, %d]\n", index, (storage_size) ? 1 : 0, storage_size));
}
return 0;
}
if ((index > 0) && (index <= storage_size)) {
return storage[index - 1]++;
} else {
- VERBOSE (WARNING, fprintf (stdout, "invalid index (%d) [1, %d]\n", index, storage_size));
+ VERBOSE (WARNING, fprintf (stdout, "invalid index (%d) [%d, %d]\n", index, (storage_size) ? 1 : 0, storage_size));
}
return 0;
}
if ((index > 0) && (index <= storage_size)) {
return storage[index - 1]--;
} else {
- VERBOSE (WARNING, fprintf (stdout, "invalid index (%d) [1, %d]\n", index, storage_size));
+ VERBOSE (WARNING, fprintf (stdout, "invalid index (%d) [%d, %d]\n", index, (storage_size) ? 1 : 0, storage_size));
}
return 0;
}
}
fprintf (stdout, "storage:");
for (i = 0; i < storage_size; i++) {
- fprintf (stdout, " %g", storage[i]);
+ fprintf (stdout, " ");
+ fprintf (stdout, minform, storage[i]);
}
fprintf (stdout, "\n");
}
+void clear ()
+{
+ int i;
+ for (i = 0; i < storage_size; i++) {
+ storage[i] = 0;
+ }
+}
+
/* While do function */
double while_do (element_t *cond, element_t *action)
void set_format (char *prompt, int precision)
{
char buffer[128] = {0};
- sprintf (buffer, "%s%%.%dg\n", prompt, precision);
free_format ();
+ sprintf (buffer, "%s%%.%dg\n", prompt, precision);
format = strdup (buffer);
+ sprintf (buffer, "%%.%dg", precision);
+ minform = strdup (buffer);
}
void free_format ()
free (format);
format = NULL;
}
+ if (minform) {
+ free (minform);
+ minform = NULL;
+ }
}
double print (double value)
}
break;
case Disp:
+ case Clear:
case Quit:
case Help:
case Ans:
case Dec: return decrease ((int)op0);
case Disp: display (); break;
case Mem: memory ((int)op0); break;
+ case Clear: clear (); break;
case Quit: quit (); break;
case Help: help (); break;
case Ans: return answer;