| 48 |
|
int nv; |
| 49 |
|
FVECT dval, disp; |
| 50 |
|
double pt[MAXDIM]; |
| 51 |
+ |
double d; |
| 52 |
|
DATARRAY *dp; |
| 53 |
|
register XFORM *mxf; |
| 54 |
|
register char **sa; |
| 58 |
|
objerror(m, USER, "bad # arguments"); |
| 59 |
|
sa = m->oargs.sarg; |
| 60 |
|
|
| 61 |
+ |
for (i = 7; i < m->oargs.nsargs && sa[i][0] != '-'; i++) |
| 62 |
+ |
; |
| 63 |
+ |
nv = i-7; |
| 64 |
|
if ((mxf = (XFORM *)m->os) == NULL) { |
| 61 |
– |
for (i = 7; i < m->oargs.nsargs && sa[i][0] != '-'; i++) |
| 62 |
– |
; |
| 63 |
– |
nv = i-7; |
| 65 |
|
mxf = (XFORM *)malloc(sizeof(XFORM)); |
| 66 |
|
if (mxf == NULL) |
| 67 |
|
goto memerr; |
| 67 |
– |
mxf->fore.sca = 1.0; |
| 68 |
– |
setident4(mxf->fore.xfm); |
| 68 |
|
if (xf(mxf->fore.xfm, &mxf->fore.sca, |
| 69 |
|
m->oargs.nsargs-i, sa+i) != m->oargs.nsargs-i) |
| 70 |
|
objerror(m, USER, "bad transform"); |
| 71 |
|
if (mxf->fore.sca < 0.0) |
| 72 |
|
mxf->fore.sca = -mxf->fore.sca; |
| 74 |
– |
mxf->back.sca = 1.0; |
| 75 |
– |
setident4(mxf->back.xfm); |
| 73 |
|
invxf(mxf->back.xfm, &mxf->back.sca, |
| 74 |
|
m->oargs.nsargs-i, sa+i); |
| 75 |
|
if (mxf->back.sca < 0.0) |
| 100 |
|
if (errno) |
| 101 |
|
goto computerr; |
| 102 |
|
|
| 103 |
+ |
multv3(disp, disp, mxf->fore.xfm); |
| 104 |
+ |
multv3(disp, disp, r->rofx); |
| 105 |
+ |
d = 1.0 / (mxf->fore.sca * r->rofs); |
| 106 |
|
for (i = 0; i < 3; i++) |
| 107 |
< |
r->pert[i] += ( disp[0]*mxf->fore.xfm[0][i] + |
| 108 |
< |
disp[1]*mxf->fore.xfm[1][i] + |
| 109 |
< |
disp[2]*mxf->fore.xfm[2][i] ) |
| 110 |
< |
/ mxf->fore.sca; |
| 107 |
> |
r->pert[i] += disp[i] * d; |
| 108 |
|
return; |
| 109 |
|
dimerr: |
| 110 |
|
objerror(m, USER, "dimension error"); |
