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* 9/24/87 |
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*/ |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <math.h> |
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+ |
#include <string.h> |
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|
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#include "calcomp.h" |
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#include "rtio.h" |
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#include "resolu.h" |
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#include "rterror.h" |
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#include "fvect.h" |
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|
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#define XNAME "X`SYS`" /* x function name */ |
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#define max(a,b) ((a) > (b) ? (a) : (b)) |
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|
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< |
double funvalue(), l_hermite(), l_bezier(), l_bspline(), argument(); |
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< |
void quit(); |
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> |
/* XXX redundant, move to library */ |
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> |
double l_hermite(char *), l_bezier(char *), l_bspline(char *); |
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int |
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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{ |
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extern long eclock; |
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char stmp[256]; |
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< |
double t, f, lastr, r; |
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> |
double t, f, lastr = 0, r; |
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FVECT lastp, p; |
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int i, nseg; |
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esupport |= E_VARIABLE|E_FUNCTION|E_RCONST; |
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esupport &= ~(E_OUTCHAN|E_INCHAN); |
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varset("PI", ':', PI); |
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funset("hermite", 5, ':', l_hermite); |
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funset("bezier", 5, ':', l_bezier); |
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for (i = 8; i < argc; i++) |
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if (!strcmp(argv[i], "-e")) |
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scompile(argv[++i], NULL, 0); |
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< |
else if (!strcmp(argv[i], "-f")) |
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< |
fcompile(argv[++i]); |
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< |
else |
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> |
else if (!strcmp(argv[i], "-f")) { |
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> |
char *fpath = getpath(argv[++i], getrlibpath(), 0); |
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> |
if (fpath == NULL) { |
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> |
fprintf(stderr, "%s: cannot find file '%s'\n", |
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> |
argv[0], argv[i]); |
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> |
quit(1); |
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> |
} |
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> |
fcompile(fpath); |
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> |
} else |
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goto userror; |
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sprintf(stmp, "%s(t)=%s;", XNAME, argv[3]); |
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scompile(stmp, NULL, 0); |
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sprintf(stmp, "%s(t)=%s;", RNAME, argv[6]); |
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scompile(stmp, NULL, 0); |
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< |
nseg = atoi(argv[7]); |
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> |
nseg = eval(argv[7]) + .5; |
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if (nseg <= 0) |
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goto userror; |
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|
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< |
printhead(argc, argv); |
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> |
fputs("# ", stdout); |
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> |
printargs(argc, argv, stdout); |
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eclock = 0; |
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|
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for (i = 0; i <= nseg; i++) { |
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VCOPY(lastp, p); |
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lastr = r; |
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} |
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< |
quit(0); |
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> |
return 0; |
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|
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userror: |
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fprintf(stderr, |
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"Usage: %s material name x(t) y(t) z(t) r(t) nseg [-e expr] [-f file]\n", |
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argv[0]); |
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< |
quit(1); |
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> |
return 1; |
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} |
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|
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|
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– |
void |
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– |
eputs(msg) |
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– |
char *msg; |
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– |
{ |
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– |
fputs(msg, stderr); |
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– |
} |
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– |
|
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– |
|
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– |
void |
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– |
wputs(msg) |
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– |
char *msg; |
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– |
{ |
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– |
eputs(msg); |
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– |
} |
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– |
|
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– |
|
| 139 |
– |
void |
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– |
quit(code) |
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int code; |
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– |
{ |
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– |
exit(code); |
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– |
} |
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– |
|
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– |
|
| 147 |
– |
printhead(ac, av) /* print command header */ |
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– |
register int ac; |
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– |
register char **av; |
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– |
{ |
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– |
putchar('#'); |
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– |
while (ac--) { |
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– |
putchar(' '); |
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– |
fputs(*av++, stdout); |
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– |
} |
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– |
putchar('\n'); |
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– |
} |
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– |
|
| 159 |
– |
|
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double |
| 140 |
< |
l_hermite() |
| 140 |
> |
l_hermite(char *nm) |
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|
{ |
| 142 |
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double t; |
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|
| 150 |
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|
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|
| 152 |
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double |
| 153 |
< |
l_bezier() |
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> |
l_bezier(char *nm) |
| 154 |
|
{ |
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|
double t; |
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|
| 163 |
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|
| 164 |
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|
| 165 |
|
double |
| 166 |
< |
l_bspline() |
| 166 |
> |
l_bspline(char *nm) |
| 167 |
|
{ |
| 168 |
|
double t; |
| 169 |
|
|
