Function getNumCachedQubits

tests/utils/cache.cpp:40–49

matrixCache matrices;

int getNumCachedQubits() {

    // we are merely aliasing the below env-var fetching function
    // to minimise a diff since pre-runtime controlling the tested
    // Qureg sizes is experimental and not fully designed (we may
    // eventually wish to specify different sizes for statevectors
    // vs density matrices, or control integration test Qureg sizes
    // also through environment variables, etc)
    return getNumQubitsInUnitTestedQuregs();
}