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add high precision writing mode #8

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add high precision writing mode #8

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13 changes: 10 additions & 3 deletions include/hedra/polygonal_write_OFF.h
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Original file line number Diff line number Diff line change
Expand Up @@ -21,15 +21,22 @@ namespace hedra
// V eigen double matrix #V by 3 - vertex coordinates
// D eigen int vector #F by 1 - face degrees
// F eigen int matrix #F by max(D) - vertex indices in face
// high_precision: if true the numerical precision is set to std::numeric_limits<double>::digits10 + 1,
// and the output is written in the scientific format
IGL_INLINE bool polygonal_write_OFF(const std::string str,
const Eigen::MatrixXd& V,
const Eigen::VectorXi& D,
const Eigen::MatrixXi& F)
{
const Eigen::MatrixXi& F,
bool high_precision = false) {

using namespace std;
using namespace Eigen;
ofstream FileHandle;
if (high_precision)
{
FileHandle.flags(std::ios::scientific);
FileHandle.precision(std::numeric_limits<double>::digits10 + 1);
}
FileHandle.open(str);
if (!FileHandle.is_open())
return false;
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