pub unsafe extern "C" fn proj_operation_factory_context_set_desired_accuracy(
ctx: *mut PJ_CONTEXT,
factory_ctx: *mut PJ_OPERATION_FACTORY_CONTEXT,
accuracy: f64,
)pub unsafe extern "C" fn proj_operation_factory_context_set_desired_accuracy(
ctx: *mut PJ_CONTEXT,
factory_ctx: *mut PJ_OPERATION_FACTORY_CONTEXT,
accuracy: f64,
)