280    png_fixed_point file_gamma;  in png_set_alpha_mode_fixed()  local
304    file_gamma = png_reciprocal(output_gamma);  in png_set_alpha_mode_fixed()
361       png_ptr->colorspace.gamma = file_gamma;  in png_set_alpha_mode_fixed()
808     png_fixed_point file_gamma)  in png_set_gamma_fixed()  argument
817    file_gamma = translate_gamma_flags(png_ptr, file_gamma, 0/*file*/);  in png_set_gamma_fixed()
830    if (file_gamma <= 0)  in png_set_gamma_fixed()
840    png_ptr->colorspace.gamma = file_gamma;  in png_set_gamma_fixed()
847 png_set_gamma(png_structrp png_ptr, double scrn_gamma, double file_gamma)  in png_set_gamma()  argument
850        convert_gamma_value(png_ptr, file_gamma));  in png_set_gamma()
1081 png_gamma_threshold(png_fixed_point screen_gamma, png_fixed_point file_gamma)  in png_gamma_threshold()  argument
1091    return !png_muldiv(&gtest, screen_gamma, file_gamma, PNG_FP_1) ||  in png_gamma_threshold()