eigenmath/main.cpp

90 lines
1.0 KiB
C++

/* Eigenmath by G. Weigt
The starting point for a symbolic computation is in run.cpp
Input is scanned in scan.cpp
Expression evaluation is done in eval.cpp
Output is formatted in display.cpp
*/
#include "defs.h"
#define BUFLEN 100000
static char buf[BUFLEN];
int
main(int argc, char *argv[])
{
int i;
FILE *f;
for (i = 1; i < argc; i++) {
f = fopen(argv[i], "r");
if (f == NULL) {
printf("cannot open %s\n", argv[i]);
exit(1);
}
fread(buf, BUFLEN, 1, f);
fclose(f);
run(buf);
}
for (;;) {
printf("> ");
fgets(buf, BUFLEN, stdin);
run(buf);
}
}
void
clear_term()
{
}
extern void eval_print(void);
void
eval_display(void)
{
eval_print();
}
void
printstr(char *s)
{
while (*s)
printchar(*s++);
}
extern int test_flag;
#define OUTBUFLEN 10000
char out_buf[OUTBUFLEN + 1];
int out_count;
void
printchar(int c)
{
if (test_flag && out_count < OUTBUFLEN)
out_buf[out_count++] = c;
fputc(c, stdout);
}
void
printchar_nowrap(int c)
{
printchar(c);
}
void
eval_draw(void)
{
push(symbol(NIL));
}
void
eval_sample(void)
{
}