Function tryAllocVector

quest/src/core/utilities.cpp:1179–1195

template <typename T>
void tryAllocVector(vector<T> &vec, qindex size, std::function<void()> errFunc) {

    // this function resizes the vector, not only reserving it,
    // such that vec.size() will subsequently return 'size'

    if (size == 0)
        return;

    try {
        vec.resize(size);

    } catch (std::bad_alloc &e) { 
        errFunc();
    } catch (std::length_error &e) {
        errFunc();
    }
}

void util_tryAllocVector(vector<qreal>    &vec, qindex size, std::function<void()> errFunc) { tryAllocVector(vec, size, errFunc); }
void util_tryAllocVector(vector<qcomp>    &vec, qindex size, std::function<void()> errFunc) { tryAllocVector(vec, size, errFunc); }