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  // fread wrapper with error checking
  static void fread_e(void *output, size_t size, size_t n, FILE *file) {
    size_t num_read_items = fread(output, size, n, file);
    if (num_read_items != n) {
      if (ferror(file)) {
        throw std::runtime_error("Error reading file");
      } else if (feof(file)) {
        throw std::runtime_error("EOF found");
      } else {
        throw std::runtime_error("Unknown file error");

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make lite ninja ccache BUILD_CMAKE_ARGS="-DWITH_GHOST_SDL=ON -DWITH_SDL=ON -DCMAKE_BUILD_TYPE=Release"

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wget https://www.x.org/archive/individual/proto/xproto-7.0.31.tar.gz
tar xvfz xproto-7.0.31.tar.gz
cd xproto-7.0.31
./configure --prefix=/data/data/com.termux/files/usr/local/xproto/7_0_31 --build=aarch64-unknown-linux-gnu
make
make install
# Export before building vscode for example
export PKG_CONFIG_PATH=/data/data/com.termux/files/usr/local/xproto/7_0_31/lib/pkgconfig/

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inline bool is_tet_positive(const Vec3 &a, const Vec3 &b, const Vec3 &c, const Vec3 &d)
{
    return (a - d).dot((b - d).cross(c - d)) > 0;
}

inline bool do_intersect_segment_tri(const Vec3 &segment_a,
                                     const Vec3 &segment_b,
                                     const Vec3 &tri_a,
                                     const Vec3 &tri_b,
                                     const Vec3 &tri_c)

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sudo apt install llvm-12 clang-12 libclang-12-dev
git clone https://github.com/illuhad/hipSYCL
mkdir hipSYCL_build
cd hipSYCL_build
cmake ../hipSYCL -DWITH_ROCM_BACKEND=ON -DLLVM_DIR=/opt/rocm/llvm/lib/cmake/llvm/
sudo make install

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non_manifold_verts = [v for v in bm.verts if not v.is_manifold]
for v in non_manifold_verts:
  bmesh.utils.vert_separate(v, v.link_edges)

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# You can ofcourse adapt this to QSpinBox
# And also use PyQt instead of PySide

from PySide2.QtWidgets import QDoubleSpinBox
from PySide2.QtGui import QValidator


class ClampedDoubleSpinbox(QDoubleSpinBox):
    def validate(self, text: str, pos: int) -> QValidator.State:
        try:

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#include <iostream>
using namespace std;

// Reference https://www.asciitable.com/
const char *special_codes[] = {
    "null",
    "start of heading",
    "start of text",
    "end of text",
    "end of transmission",

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def sum_digits(number: int):
    s = 0
    while (number > 0):
        d = number % 10
        s += d
        number //= 10
    return s

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