| 11 |
|
* 9/24/87 |
| 12 |
|
*/ |
| 13 |
|
|
| 14 |
+ |
#include <stdlib.h> |
| 15 |
|
#include <stdio.h> |
| 16 |
|
#include <math.h> |
| 17 |
+ |
#include <string.h> |
| 18 |
+ |
|
| 19 |
|
#include "calcomp.h" |
| 20 |
+ |
#include "rtio.h" |
| 21 |
+ |
#include "resolu.h" |
| 22 |
+ |
#include "rterror.h" |
| 23 |
|
#include "fvect.h" |
| 24 |
|
|
| 25 |
|
#define XNAME "X`SYS`" /* x function name */ |
| 32 |
|
#define max(a,b) ((a) > (b) ? (a) : (b)) |
| 33 |
|
|
| 34 |
|
|
| 35 |
+ |
/* XXX redundant, move to library */ |
| 36 |
|
double l_hermite(char *), l_bezier(char *), l_bspline(char *); |
| 30 |
– |
void quit(); |
| 37 |
|
|
| 38 |
|
|
| 39 |
+ |
int |
| 40 |
|
main(argc, argv) |
| 41 |
|
int argc; |
| 42 |
|
char *argv[]; |
| 43 |
|
{ |
| 44 |
|
char stmp[256]; |
| 45 |
< |
double t, f, lastr, r; |
| 45 |
> |
double t, f, lastr = 0, r; |
| 46 |
|
FVECT lastp, p; |
| 47 |
|
int i, nseg; |
| 48 |
|
|
| 49 |
+ |
esupport |= E_VARIABLE|E_FUNCTION|E_RCONST; |
| 50 |
+ |
esupport &= ~(E_OUTCHAN|E_INCHAN); |
| 51 |
|
varset("PI", ':', PI); |
| 52 |
|
funset("hermite", 5, ':', l_hermite); |
| 53 |
|
funset("bezier", 5, ':', l_bezier); |
| 59 |
|
for (i = 8; i < argc; i++) |
| 60 |
|
if (!strcmp(argv[i], "-e")) |
| 61 |
|
scompile(argv[++i], NULL, 0); |
| 62 |
< |
else if (!strcmp(argv[i], "-f")) |
| 63 |
< |
fcompile(argv[++i]); |
| 64 |
< |
else |
| 62 |
> |
else if (!strcmp(argv[i], "-f")) { |
| 63 |
> |
char *fpath = getpath(argv[++i], getrlibpath(), 0); |
| 64 |
> |
if (fpath == NULL) { |
| 65 |
> |
fprintf(stderr, "%s: cannot find file '%s'\n", |
| 66 |
> |
argv[0], argv[i]); |
| 67 |
> |
quit(1); |
| 68 |
> |
} |
| 69 |
> |
fcompile(fpath); |
| 70 |
> |
} else |
| 71 |
|
goto userror; |
| 72 |
|
|
| 73 |
|
sprintf(stmp, "%s(t)=%s;", XNAME, argv[3]); |
| 78 |
|
scompile(stmp, NULL, 0); |
| 79 |
|
sprintf(stmp, "%s(t)=%s;", RNAME, argv[6]); |
| 80 |
|
scompile(stmp, NULL, 0); |
| 81 |
< |
nseg = atoi(argv[7]); |
| 81 |
> |
nseg = eval(argv[7]) + .5; |
| 82 |
|
if (nseg <= 0) |
| 83 |
|
goto userror; |
| 84 |
|
|
| 85 |
< |
printhead(argc, argv); |
| 85 |
> |
fputs("# ", stdout); |
| 86 |
> |
printargs(argc, argv, stdout); |
| 87 |
|
eclock = 0; |
| 88 |
|
|
| 89 |
|
for (i = 0; i <= nseg; i++) { |
| 126 |
|
VCOPY(lastp, p); |
| 127 |
|
lastr = r; |
| 128 |
|
} |
| 129 |
< |
quit(0); |
| 129 |
> |
return 0; |
| 130 |
|
|
| 131 |
|
userror: |
| 132 |
|
fprintf(stderr, |
| 133 |
|
"Usage: %s material name x(t) y(t) z(t) r(t) nseg [-e expr] [-f file]\n", |
| 134 |
|
argv[0]); |
| 135 |
< |
quit(1); |
| 120 |
< |
} |
| 121 |
< |
|
| 122 |
< |
|
| 123 |
< |
void |
| 124 |
< |
eputs(msg) |
| 125 |
< |
char *msg; |
| 126 |
< |
{ |
| 127 |
< |
fputs(msg, stderr); |
| 128 |
< |
} |
| 129 |
< |
|
| 130 |
< |
|
| 131 |
< |
void |
| 132 |
< |
wputs(msg) |
| 133 |
< |
char *msg; |
| 134 |
< |
{ |
| 135 |
< |
eputs(msg); |
| 136 |
< |
} |
| 137 |
< |
|
| 138 |
< |
|
| 139 |
< |
void |
| 140 |
< |
quit(code) |
| 141 |
< |
int code; |
| 142 |
< |
{ |
| 143 |
< |
exit(code); |
| 144 |
< |
} |
| 145 |
< |
|
| 146 |
< |
|
| 147 |
< |
printhead(ac, av) /* print command header */ |
| 148 |
< |
register int ac; |
| 149 |
< |
register char **av; |
| 150 |
< |
{ |
| 151 |
< |
putchar('#'); |
| 152 |
< |
while (ac--) { |
| 153 |
< |
putchar(' '); |
| 154 |
< |
fputs(*av++, stdout); |
| 155 |
< |
} |
| 156 |
< |
putchar('\n'); |
| 135 |
> |
return 1; |
| 136 |
|
} |
| 137 |
|
|
| 138 |
|
|
