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; |
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) |
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[i] / (mxf->fore.sca * r->rofs); |
107 |
> |
r->pert[i] += disp[i] * d; |
108 |
|
return; |
109 |
|
dimerr: |
110 |
|
objerror(m, USER, "dimension error"); |