1 files changed, 4 insertions, 4 deletions
diff --git a/src/grids.h b/src/grids.h
index bba6f68..1135e66 100644
--- a/src/grids.h
+++ b/src/grids.h
@@ -15,19 +15,19 @@ typedef struct {
     size_t x;
     size_t y;
     size_t size;
-    double complex lower_left;
-    double complex upper_right;
+    long double complex lower_left;
+    long double complex upper_right;
     size_t* data;
 } grid_t;
 
-grid_t* create_grid(const size_t x, const size_t y, double complex lower_left, double complex upper_right);
+grid_t* create_grid(const size_t x, const size_t y, long double complex lower_left, long double complex upper_right);
 void set_grid(grid_t* grid, const size_t val);
 grid_t* copy_grid(const grid_t* grid);
 void free_grid(grid_t* grid);
 bool grid_equal(const grid_t* grid1, const grid_t* grid2);
 bool grid_allclose(const grid_t* grid1, const grid_t* grid2, const size_t max_error);
 
-double complex grid_to_complex(const grid_t* grid, const size_t index);
+long double complex grid_to_complex(const grid_t* grid, const size_t index);
 void zoom_grid(grid_t* grid, const double magnification);
 
 void print_grid_info(const grid_t* grid);