fn create()

in rustface/src/feat/surf_mlp_featmap.rs [541:597]

• 53 lines of code
• 16 McCabe index (conditional complexity)

    fn create(&mut self) {
        let mut feature_vecs = Vec::new();

        if self.sample_height - self.patch_min_height <= self.sample_width - self.patch_min_width {
            for format in &self.patch_formats {
                for h in Seq::new(self.patch_min_height, |x| x + self.patch_size_inc_step)
                    .take_while(|x| *x <= self.sample_height)
                {
                    if h % format.num_cell_per_col != 0 || h % format.height != 0 {
                        continue;
                    }
                    let w = h / format.height * format.width;
                    if w % format.num_cell_per_row != 0
                        || w < self.patch_min_width
                        || w > self.sample_width
                    {
                        continue;
                    }
                    self.collect_features(
                        w,
                        h,
                        format.num_cell_per_row,
                        format.num_cell_per_col,
                        &mut feature_vecs,
                    );
                }
            }
        } else {
            for format in &self.patch_formats {
                // original condition was <= self.patch_min_width,
                // but it would not make sense to have a loop in such case
                for w in Seq::new(self.patch_min_width, |x| x + self.patch_size_inc_step)
                    .take_while(|x| *x <= self.sample_width)
                {
                    if w % format.num_cell_per_row != 0 || w % format.width != 0 {
                        continue;
                    }
                    let h = w / format.width * format.height;
                    if h % format.num_cell_per_col != 0
                        || h < self.patch_min_height
                        || h > self.sample_height
                    {
                        continue;
                    }
                    self.collect_features(
                        w,
                        h,
                        format.num_cell_per_row,
                        format.num_cell_per_col,
                        &mut feature_vecs,
                    );
                }
            }
        }

        self.features.append(&mut feature_vecs);
    }