| 7 |
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| 8 |
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#include "copyright.h" |
| 9 |
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| 10 |
– |
#include <math.h> |
| 11 |
– |
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| 10 |
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#include "ray.h" |
| 11 |
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#include "paths.h" |
| 12 |
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#include "otypes.h" |
| 33 |
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static double l_erf(char *), l_erfc(char *), l_arg(char *); |
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| 35 |
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| 36 |
< |
extern MFUNC * |
| 36 |
> |
MFUNC * |
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getfunc( /* get function for this modifier */ |
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OBJREC *m, |
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int ff, |
| 43 |
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{ |
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static char initfile[] = INITFILE; |
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char sbuf[MAXSTR]; |
| 46 |
< |
register char **arg; |
| 47 |
< |
register MFUNC *f; |
| 46 |
> |
char **arg; |
| 47 |
> |
MFUNC *f; |
| 48 |
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int ne, na; |
| 49 |
< |
register int i; |
| 49 |
> |
int i; |
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/* check to see if done already */ |
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if ((f = (MFUNC *)m->os) != NULL) |
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return(f); |
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} |
| 136 |
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| 137 |
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| 138 |
< |
extern void |
| 138 |
> |
void |
| 139 |
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freefunc( /* free memory associated with modifier */ |
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OBJREC *m |
| 141 |
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) |
| 142 |
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{ |
| 143 |
< |
register MFUNC *f; |
| 144 |
< |
register int i; |
| 143 |
> |
MFUNC *f; |
| 144 |
> |
int i; |
| 145 |
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|
| 146 |
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if ((f = (MFUNC *)m->os) == NULL) |
| 147 |
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return; |
| 158 |
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} |
| 159 |
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if (f->b != &unitxf) |
| 160 |
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free((void *)f->b); |
| 161 |
< |
if (f->f != NULL && f->f != &unitxf) |
| 161 |
> |
if ((f->f != NULL) & (f->f != &unitxf)) |
| 162 |
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free((void *)f->f); |
| 163 |
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free((void *)f); |
| 164 |
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m->os = NULL; |
| 165 |
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} |
| 166 |
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| 167 |
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|
| 168 |
< |
extern int |
| 168 |
> |
int |
| 169 |
|
setfunc( /* set channels for function call */ |
| 170 |
< |
OBJREC *m, |
| 171 |
< |
register RAY *r |
| 170 |
> |
OBJREC *m, /* can be NULL */ |
| 171 |
> |
RAY *r |
| 172 |
|
) |
| 173 |
|
{ |
| 174 |
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static RNUMBER lastrno = ~0; |
| 175 |
< |
register MFUNC *f; |
| 176 |
< |
/* get function */ |
| 177 |
< |
if ((f = (MFUNC *)m->os) == NULL) |
| 178 |
< |
objerror(m, CONSISTENCY, "setfunc called before getfunc"); |
| 179 |
< |
/* set evaluator context */ |
| 180 |
< |
setcontext(f->ctx); |
| 175 |
> |
MFUNC *f; |
| 176 |
> |
/* get function if any */ |
| 177 |
> |
if (m != NULL) { |
| 178 |
> |
if ((f = (MFUNC *)m->os) == NULL) |
| 179 |
> |
objerror(m, CONSISTENCY, "setfunc called before getfunc"); |
| 180 |
> |
setcontext(f->ctx); /* set evaluator context */ |
| 181 |
> |
} else |
| 182 |
> |
setcontext(""); |
| 183 |
|
/* check to see if matrix set */ |
| 184 |
< |
if (m == fobj && r->rno == lastrno) |
| 184 |
> |
if ((m == fobj) & (r->rno == lastrno)) |
| 185 |
|
return(0); |
| 186 |
|
fobj = m; |
| 187 |
|
fray = r; |
| 199 |
|
} |
| 200 |
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| 201 |
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|
| 202 |
< |
extern void |
| 202 |
> |
void |
| 203 |
|
loadfunc( /* load definition file */ |
| 204 |
|
char *fname |
| 205 |
|
) |
| 217 |
|
static double |
| 218 |
|
l_arg(char *nm) /* return nth real argument */ |
| 219 |
|
{ |
| 220 |
< |
register int n; |
| 220 |
> |
int n; |
| 221 |
|
|
| 222 |
|
if (fobj == NULL) |
| 223 |
< |
syntax("arg(n) used in constant expression"); |
| 223 |
> |
error(USER, "arg(n) called without a context"); |
| 224 |
|
|
| 225 |
|
n = argument(1) + .5; /* round to integer */ |
| 226 |
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|
| 249 |
|
} |
| 250 |
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|
| 251 |
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|
| 252 |
< |
extern double |
| 252 |
> |
double |
| 253 |
|
chanvalue( /* return channel n to calcomp */ |
| 254 |
< |
register int n |
| 254 |
> |
int n |
| 255 |
|
) |
| 256 |
|
{ |
| 257 |
|
if (fray == NULL) |
