13 |
|
#include "copyright.h" |
14 |
|
|
15 |
|
#include <stdio.h> |
16 |
< |
|
16 |
> |
#include <string.h> |
17 |
|
#include <errno.h> |
18 |
– |
|
18 |
|
#include <math.h> |
19 |
|
|
20 |
+ |
#include "rterror.h" |
21 |
|
#include "calcomp.h" |
22 |
|
|
23 |
|
/* bits in argument flag (better be right!) */ |
34 |
|
|
35 |
|
static ACTIVATION *curact = NULL; |
36 |
|
|
37 |
< |
static double libfunc(); |
37 |
> |
static double libfunc(char *fname, VARDEF *vp); |
38 |
|
|
39 |
|
#ifndef MAXLIB |
40 |
|
#define MAXLIB 64 /* maximum number of library functions */ |
41 |
|
#endif |
42 |
|
|
43 |
< |
static double l_if(), l_select(), l_rand(); |
44 |
< |
static double l_floor(), l_ceil(); |
45 |
< |
static double l_sqrt(); |
46 |
< |
static double l_sin(), l_cos(), l_tan(); |
47 |
< |
static double l_asin(), l_acos(), l_atan(), l_atan2(); |
48 |
< |
static double l_exp(), l_log(), l_log10(); |
43 |
> |
static double l_if(char *), l_select(char *), l_rand(char *); |
44 |
> |
static double l_floor(char *), l_ceil(char *); |
45 |
> |
static double l_sqrt(char *); |
46 |
> |
static double l_sin(char *), l_cos(char *), l_tan(char *); |
47 |
> |
static double l_asin(char *), l_acos(char *), l_atan(char *), l_atan2(char *); |
48 |
> |
static double l_exp(char *), l_log(char *), l_log10(char *); |
49 |
|
|
50 |
|
/* functions must be listed alphabetically */ |
51 |
|
static LIBR library[MAXLIB] = { |
125 |
|
char *fname; |
126 |
|
int nargs; |
127 |
|
int assign; |
128 |
< |
double (*fptr)(); |
128 |
> |
double (*fptr)(char *); |
129 |
|
{ |
130 |
|
int oldlibsize = libsize; |
131 |
|
char *cp; |
193 |
|
register int n; |
194 |
|
{ |
195 |
|
register ACTIVATION *actp = curact; |
196 |
< |
register EPNODE *ep; |
196 |
> |
register EPNODE *ep = NULL; |
197 |
|
double aval; |
198 |
|
|
199 |
|
if (actp == NULL || --n < 0) { |
255 |
|
eputs(actp->name); |
256 |
|
eputs(": argument not a function\n"); |
257 |
|
quit(1); |
258 |
+ |
return NULL; /* pro forma return */ |
259 |
|
} |
260 |
|
|
261 |
|
|
344 |
|
lasterrno = errno; |
345 |
|
errno = 0; |
346 |
|
d = (*lp->f)(lp->fname); |
347 |
< |
#ifdef IEEE |
347 |
> |
#ifdef isnan |
348 |
|
if (errno == 0) |
349 |
|
if (isnan(d)) |
350 |
|
errno = EDOM; |
351 |
|
else if (isinf(d)) |
352 |
|
errno = ERANGE; |
353 |
|
#endif |
354 |
< |
if (errno) { |
354 |
> |
if (errno == EDOM || errno == ERANGE) { |
355 |
|
wputs(fname); |
356 |
|
if (errno == EDOM) |
357 |
|
wputs(": domain error\n"); |
372 |
|
|
373 |
|
|
374 |
|
static double |
375 |
< |
l_if() /* if(cond, then, else) conditional expression */ |
375 |
> |
l_if(char *nm) /* if(cond, then, else) conditional expression */ |
376 |
|
/* cond evaluates true if greater than zero */ |
377 |
|
{ |
378 |
|
if (argument(1) > 0.0) |
383 |
|
|
384 |
|
|
385 |
|
static double |
386 |
< |
l_select() /* return argument #(A1+1) */ |
386 |
> |
l_select(char *nm) /* return argument #(A1+1) */ |
387 |
|
{ |
388 |
|
register int n; |
389 |
|
|
390 |
< |
n = argument(1) + .5; |
390 |
> |
n = (int)(argument(1) + .5); |
391 |
|
if (n == 0) |
392 |
|
return(nargum()-1); |
393 |
|
if (n < 1 || n > nargum()-1) { |
399 |
|
|
400 |
|
|
401 |
|
static double |
402 |
< |
l_rand() /* random function between 0 and 1 */ |
402 |
> |
l_rand(char *nm) /* random function between 0 and 1 */ |
403 |
|
{ |
404 |
|
double x; |
405 |
|
|
412 |
|
|
413 |
|
|
414 |
|
static double |
415 |
< |
l_floor() /* return largest integer not greater than arg1 */ |
415 |
> |
l_floor(char *nm) /* return largest integer not greater than arg1 */ |
416 |
|
{ |
417 |
|
return(floor(argument(1))); |
418 |
|
} |
419 |
|
|
420 |
|
|
421 |
|
static double |
422 |
< |
l_ceil() /* return smallest integer not less than arg1 */ |
422 |
> |
l_ceil(char *nm) /* return smallest integer not less than arg1 */ |
423 |
|
{ |
424 |
|
return(ceil(argument(1))); |
425 |
|
} |
426 |
|
|
427 |
|
|
428 |
|
static double |
429 |
< |
l_sqrt() |
429 |
> |
l_sqrt(char *nm) |
430 |
|
{ |
431 |
|
return(sqrt(argument(1))); |
432 |
|
} |
433 |
|
|
434 |
|
|
435 |
|
static double |
436 |
< |
l_sin() |
436 |
> |
l_sin(char *nm) |
437 |
|
{ |
438 |
|
return(sin(argument(1))); |
439 |
|
} |
440 |
|
|
441 |
|
|
442 |
|
static double |
443 |
< |
l_cos() |
443 |
> |
l_cos(char *nm) |
444 |
|
{ |
445 |
|
return(cos(argument(1))); |
446 |
|
} |
447 |
|
|
448 |
|
|
449 |
|
static double |
450 |
< |
l_tan() |
450 |
> |
l_tan(char *nm) |
451 |
|
{ |
452 |
|
return(tan(argument(1))); |
453 |
|
} |
454 |
|
|
455 |
|
|
456 |
|
static double |
457 |
< |
l_asin() |
457 |
> |
l_asin(char *nm) |
458 |
|
{ |
459 |
|
return(asin(argument(1))); |
460 |
|
} |
461 |
|
|
462 |
|
|
463 |
|
static double |
464 |
< |
l_acos() |
464 |
> |
l_acos(char *nm) |
465 |
|
{ |
466 |
|
return(acos(argument(1))); |
467 |
|
} |
468 |
|
|
469 |
|
|
470 |
|
static double |
471 |
< |
l_atan() |
471 |
> |
l_atan(char *nm) |
472 |
|
{ |
473 |
|
return(atan(argument(1))); |
474 |
|
} |
475 |
|
|
476 |
|
|
477 |
|
static double |
478 |
< |
l_atan2() |
478 |
> |
l_atan2(char *nm) |
479 |
|
{ |
480 |
|
return(atan2(argument(1), argument(2))); |
481 |
|
} |
482 |
|
|
483 |
|
|
484 |
|
static double |
485 |
< |
l_exp() |
485 |
> |
l_exp(char *nm) |
486 |
|
{ |
487 |
|
return(exp(argument(1))); |
488 |
|
} |
489 |
|
|
490 |
|
|
491 |
|
static double |
492 |
< |
l_log() |
492 |
> |
l_log(char *nm) |
493 |
|
{ |
494 |
|
return(log(argument(1))); |
495 |
|
} |
496 |
|
|
497 |
|
|
498 |
|
static double |
499 |
< |
l_log10() |
499 |
> |
l_log10(char *nm) |
500 |
|
{ |
501 |
|
return(log10(argument(1))); |
502 |
|
} |