12 |
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13 |
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#include "glare.h" |
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|
15 |
< |
#define FEQ(a,b) ((a)-(b)<=FTINY&&(a)-(b)<=FTINY) |
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> |
#define FEQ(a,b) ((a)-(b)<=FTINY&&(b)-(a)<=FTINY) |
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#define VEQ(v1,v2) (FEQ((v1)[0],(v2)[0])&&FEQ((v1)[1],(v2)[1]) \ |
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&&FEQ((v1)[2],(v2)[2])) |
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|
19 |
< |
char *rtargv[32] = {"rtrace", "-h", "-ov", "-fff"}; |
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> |
char *rtargv[32] = {"rtrace", "-h-", "-ov", "-fff"}; |
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int rtargc = 4; |
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VIEW ourview = STDVIEW; /* our view */ |
203 |
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} |
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|
206 |
+ |
int |
207 |
+ |
angcmp(ap1, ap2) /* compare two angles */ |
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+ |
ANGLE *ap1, *ap2; |
209 |
+ |
{ |
210 |
+ |
register int a1, a2; |
211 |
+ |
|
212 |
+ |
a1 = *ap1; |
213 |
+ |
a2 = *ap2; |
214 |
+ |
if (a1 == a2) { |
215 |
+ |
fprintf(stderr, "%s: duplicate glare angle (%d)\n", |
216 |
+ |
progname, a1); |
217 |
+ |
exit(1); |
218 |
+ |
} |
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+ |
return(a1-a2); |
220 |
+ |
} |
221 |
+ |
|
222 |
+ |
|
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init() /* initialize global variables */ |
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{ |
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double d; |
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/* set direction vectors */ |
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for (i = 0; glarang[i] != AEND; i++) |
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; |
234 |
< |
if (i > 0 && (glarang[0] <= 0 || glarang[i-1] >= 180)) { |
235 |
< |
fprintf(stderr, "%s: glare angles must be between 1 and 179\n", |
234 |
> |
qsort(glarang, i, sizeof(ANGLE), angcmp); |
235 |
> |
if (i > 0 && (glarang[0] <= 0 || glarang[i-1] > 180)) { |
236 |
> |
fprintf(stderr, "%s: glare angles must be between 1 and 180\n", |
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progname); |
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exit(1); |
239 |
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} |