6038    double   rede, greene, bluee, alphae;  member
6053       this->rede = this->redf * DBL_EPSILON;  in image_pixel_setf()
6055       this->rede = 0;  in image_pixel_setf()
6466    that->rede += 1./(2*((1U<<that->red_sBIT)-1));  in image_transform_mod_end()
6485       that->bluee = that->greene = that->rede;  in image_transform_mod_end()
6884                out_pixel.red, sample_depth, in_pixel.rede,  in transform_image_validate()
7486             that->rede += d;  in image_transform_png_set_strip_16_mod()
7939          rlo -= that->rede;  in image_transform_png_set_rgb_to_gray_mod()
7941          rhi += that->rede;  in image_transform_png_set_rgb_to_gray_mod()
8051             err = (that->rede + that->greene + that->bluee)/3;  in image_transform_png_set_rgb_to_gray_mod()
8080          double re = that->rede;  in image_transform_png_set_rgb_to_gray_mod()
8208       that->bluee = that->greene = that->rede = err;  in image_transform_png_set_rgb_to_gray_mod()
8341          that->rede = data.rede;  in image_transform_png_set_background_mod()
8355          that->rede = that->rede * that->alphaf + data.rede * alf +  in image_transform_png_set_background_mod()