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Ported get_layer_range() to C

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This commit is contained in:
Alessandro Ranellucci
2013-06-23 15:33:07 +02:00
parent ff795f2918
commit 37105e8237
14 changed files with 72 additions and 738 deletions
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49
xs/xsp/Object.xsp Normal file
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@@ -0,0 +1,49 @@
%module{Slic3r::XS};
%package{Slic3r::Object::XS};
#include <list>
#include <vector>
%{
PROTOTYPES: DISABLE
std::vector<unsigned int>
get_layer_range(z_array, min_z, max_z)
std::vector<unsigned int>* z_array;
unsigned int min_z;
unsigned int max_z;
CODE:
RETVAL.resize(2);
unsigned int bottom = 0;
unsigned int top = z_array->size()-1;
while (1) {
unsigned int mid = bottom + floor((top - bottom)/2.0);
if (mid == top || mid == bottom) {
RETVAL[0] = mid;
break;
}
if ((*z_array)[mid] > min_z) {
top = mid;
} else {
bottom = mid;
}
}
top = z_array->size()-1;
while (1) {
unsigned int mid = bottom + ceil((top - bottom)/2.0);
if (mid == top || mid == bottom) {
RETVAL[1] = mid;
break;
}
if ((*z_array)[mid] < max_z) {
bottom = mid;
} else {
top = mid;
}
}
delete z_array;
OUTPUT:
RETVAL
%}