71 |
|
{ "tan", 1, ':', l_tan }, |
72 |
|
}; |
73 |
|
|
74 |
< |
static int libsize = 16; |
74 |
> |
static int libsize = 18; |
75 |
|
|
76 |
|
#define resolve(ep) ((ep)->type==VAR?(ep)->v.ln:argf((ep)->v.chan)) |
77 |
|
|
150 |
|
if (cp == fname) return; |
151 |
|
} |
152 |
|
if ((lp = liblookup(fname)) == NULL) { /* insert */ |
153 |
+ |
if (fptr == NULL) |
154 |
+ |
return; /* nothing! */ |
155 |
|
if (libsize >= MAXLIB) { |
156 |
|
eputs("Too many library functons!\n"); |
157 |
|
quit(1); |
358 |
|
errno = ERANGE; |
359 |
|
} |
360 |
|
#endif |
361 |
< |
if (errno == EDOM || errno == ERANGE) { |
361 |
> |
if ((errno == EDOM) | (errno == ERANGE)) { |
362 |
|
wputs(fname); |
363 |
|
if (errno == EDOM) |
364 |
|
wputs(": domain error\n"); |
392 |
|
static double |
393 |
|
l_select(char *nm) /* return argument #(A1+1) */ |
394 |
|
{ |
395 |
< |
int n; |
395 |
> |
int narg = nargum(); |
396 |
> |
double a1 = argument(1); |
397 |
> |
int n = (int)(a1 + .5); |
398 |
|
|
399 |
< |
n = (int)(argument(1) + .5); |
396 |
< |
if (n == 0) |
397 |
< |
return(nargum()-1); |
398 |
< |
if (n < 1 || n > nargum()-1) { |
399 |
> |
if ((a1 < -.5) | (n >= narg)) { |
400 |
|
errno = EDOM; |
401 |
|
return(0.0); |
402 |
|
} |
403 |
+ |
if (!n) /* asking max index? */ |
404 |
+ |
return(narg-1); |
405 |
|
return(argument(n+1)); |
406 |
|
} |
407 |
|
|
410 |
|
l_max(char *nm) /* general maximum function */ |
411 |
|
{ |
412 |
|
int n = nargum(); |
413 |
< |
int i = 1; |
411 |
< |
int vmax = argument(1); |
413 |
> |
double vmax = argument(1); |
414 |
|
|
415 |
< |
while (i++ < n) { |
416 |
< |
double v = argument(i); |
415 |
> |
while (n > 1) { |
416 |
> |
double v = argument(n--); |
417 |
|
if (vmax < v) |
418 |
|
vmax = v; |
419 |
|
} |
425 |
|
l_min(char *nm) /* general minimum function */ |
426 |
|
{ |
427 |
|
int n = nargum(); |
428 |
< |
int i = 1; |
427 |
< |
int vmin = argument(1); |
428 |
> |
double vmin = argument(1); |
429 |
|
|
430 |
< |
while (i++ < n) { |
431 |
< |
double v = argument(i); |
430 |
> |
while (n > 1) { |
431 |
> |
double v = argument(n--); |
432 |
|
if (vmin > v) |
433 |
|
vmin = v; |
434 |
|
} |