_height          1211 ext/gd/libgd/gd_interpolation.c 	long _height = MAX(1, new_height);
_height          1213 ext/gd/libgd/gd_interpolation.c 	float dy = (float)gdImageSY(im) / (float)_height;
_height          1230 ext/gd/libgd/gd_interpolation.c 	for (i=0; i < _height; i++) {