Method check_parameter

src/thundersvm/cmdparser.cpp:299–351

}

bool CMDParser::check_parameter() {
    SvmParam::SVM_TYPE svm_type = param_cmd.svm_type;
    if (svm_type < SvmParam::C_SVC || svm_type > SvmParam::NU_SVR) {
        LOG(ERROR) << "unknown svm type";
        return false;
    }
    SvmParam::KERNEL_TYPE kernel_type = param_cmd.kernel_type;
    if (kernel_type < SvmParam::LINEAR || kernel_type > SvmParam::PRECOMPUTED) {
        LOG(ERROR) << "unknown kernel type";
        return false;
    }
    if (param_cmd.gamma < 0) {
        LOG(ERROR) << "gamma < 0";
        return false;
    }
    if (param_cmd.degree < 0) {
        LOG(ERROR) << "degree of polynomial kernel < 0";
        return false;
    }
    if (param_cmd.epsilon <= 0) {
        LOG(ERROR) << "epsilon <= 0";
        return false;
    }
    if (svm_type == SvmParam::C_SVC || svm_type == SvmParam::EPSILON_SVR || svm_type == SvmParam::NU_SVR)
        if (param_cmd.C <= 0) {
            LOG(ERROR) << "C <= 0";
            return false;
        }
    if (svm_type == SvmParam::NU_SVC || svm_type == SvmParam::ONE_CLASS || svm_type == SvmParam::NU_SVR)
        if (param_cmd.nu <= 0 || param_cmd.nu > 1) {
            LOG(ERROR) << "nu <= 0 or nu > 1";
            return false;
        }
    if (svm_type == SvmParam::EPSILON_SVR)
        if (param_cmd.p < 0) {
            LOG(ERROR) << "p < 0";
            return false;
        }
    if (param_cmd.max_mem_size <= 0) {
        LOG(ERROR) << "max memory size <= 0";
        return false;
    }
    if (param_cmd.probability != 0 && param_cmd.probability != 1) {
        LOG(ERROR) << "probability != 0 and probability != 1";
        return false;
    }
    if (param_cmd.probability == 1 &&
        (svm_type == SvmParam::ONE_CLASS || svm_type == SvmParam::EPSILON_SVR || svm_type == SvmParam::NU_SVR)) {
        LOG(ERROR) << "one-class SVM and SVR probability output not supported yet";
        return false;
    }
    return true;
}