static void
init(void) /* perform final setup */
{
register int i;
/* define constants */
varset("PI", ':', PI);
varset(vnfiles, ':', (double)nfiles);
varset(vxmax, ':', (double)xmax);
varset(vymax, ':', (double)ymax);
/* set functions */
for (i = 0; i < 3; i++) {
funset(vcolexp[i], 1, ':', l_expos);
funset(vcolin[i], 1, '=', l_colin);
}
funset(vbrtexp, 1, ':', l_expos);
funset(vbrtin, 1, '=', l_colin);
funset(vpixaspect, 1, ':', l_pixaspect);
for (i = 0; i < 7; i++)
funset(vray[i], 1, '=', l_ray);
funset(vpsize, 1, '=', l_psize);
/* set brightness function */
if (!strcmp(ourfmt, CIEFMT)) {
varset(vwhteff, ':', 1.0);
ourbright = xyz_bright;
} else
varset(vwhteff, ':', WHTEFFICACY);
}
void
biggerlib() /* expand the library */
{
/* the Bessel functions */
funset("j0", 1, ':', l_j0);
funset("j1", 1, ':', l_j1);
funset("jn", 2, ':', l_jn);
funset("y0", 1, ':', l_y0);
funset("y1", 1, ':', l_y1);
funset("yn", 2, ':', l_yn);
funset("erf", 1, ':', l_erf);
funset("erfc", 1, ':', l_erfc);
}
int
main(
int argc,
char *argv[]
)
{
int i;
esupport |= E_VARIABLE|E_FUNCTION|E_INCHAN|E_OUTCHAN|E_RCONST;
esupport &= ~(E_REDEFW);
#ifdef BIGGERLIB
biggerlib();
#endif
varset("PI", ':', 3.14159265358979323846);
funset("in", 1, '=', &l_in);
for (i = 1; i < argc && argv[i][0] == '-'; i++)
switch (argv[i][1]) {
case 'b':
blnkeq = !blnkeq;
break;
case 'l':
igneol = !igneol;
break;
case 'p':
passive = !passive;
break;
case 't':
sepchar = argv[i][2];
break;
case 's':
svpreset(argv[++i]);
break;
case 'f':
fcompile(argv[++i]);
break;
case 'e':
scompile(argv[++i], NULL, 0);
break;
case 'n':
noinput = 1;
break;
case 'i':
switch (argv[i][2]) {
case '\0':
itype = 'a';
nbicols = 0;
readfmt(argv[++i], 0);
break;
case 'a':
itype = 'a';
nbicols = 0;
break;
case 'd':
case 'D':
itype = argv[i][2];
if (isdigit(argv[i][3]))
nbicols = atoi(argv[i]+3);
else
nbicols = 1;
if (nbicols*sizeof(double) > INBSIZ) {
eputs(argv[0]);
eputs(": too many input columns\n");
quit(1);
}
break;
case 'f':
case 'F':
itype = argv[i][2];
if (isdigit(argv[i][3]))
nbicols = atoi(argv[i]+3);
else
nbicols = 1;
if (nbicols*sizeof(float) > INBSIZ) {
eputs(argv[0]);
eputs(": too many input columns\n");
quit(1);
}
break;
default:
goto userr;
}
break;
case 'o':
switch (argv[i][2]) {
case '\0':
otype = 'a';
readfmt(argv[++i], 1);
break;
case 'a':
otype = 'a';
break;
case 'd':
case 'D':
case 'f':
case 'F':
otype = argv[i][2];
break;
default:
goto userr;
}
break;
case 'w':
nowarn = !nowarn;
break;
case 'u':
unbuff = !unbuff;
break;
default:;
userr:
eputs("Usage: ");
eputs(argv[0]);
eputs(" [-b][-l][-n][-p][-w][-u][-tS][-s svar=sval][-e expr][-f source][-i infmt][-o outfmt] [file]\n");
quit(1);
}
if (otype != 'a')
SET_FILE_BINARY(stdout);
if (noinput) { /* produce a single output record */
if (i < argc) {
eputs(argv[0]);
eputs(": file argument(s) incompatible with -n\n");
quit(1);
}
eclock++;
putout();
quit(0);
}
if (itype != 'a')
SET_FILE_BINARY(stdin);
if (blnkeq) /* for efficiency */
nbsynch();
if (i == argc) /* from stdin */
execute(NULL);
else /* from one or more files */
for ( ; i < argc; i++)
execute(argv[i]);
quit(0);
return 0; /* pro forma return */
}