glArrayElement(index3);
glEnd();
- lower = floorf((x - 0.5) * row_data[y - 1].num_x_points
- / (float)row_data[y].num_x_points);
- upper = floorf((x + 0.5) * row_data[y - 1].num_x_points
- / (float)row_data[y].num_x_points);
+ lower = ((x - 0.5) * row_data[y - 1].num_x_points
+ / (float)row_data[y].num_x_points);
+ upper = ((x + 0.5) * row_data[y - 1].num_x_points
+ / (float)row_data[y].num_x_points);
if (upper > lower)
{