public IReadOnlyOrderedMap <DateTime, double> YeppMathProviderSample(IReadOnlyOrderedMap <DateTime, double> batch)
        {
            var mathProviderImpl = new Spreads.NativeMath.YepppMathProvider();
            IReadOnlyOrderedMap <DateTime, double> sm2;
            var ok = mathProviderImpl.AddBatch(3.1415926, batch, out sm2);

            return(sm2);
        }
 public IReadOnlyOrderedMap<DateTime, double> YeppMathProviderSample(IReadOnlyOrderedMap<DateTime, double> batch) {
     var mathProviderImpl = new Spreads.NativeMath.YepppMathProvider();
     IReadOnlyOrderedMap<DateTime, double> sm2;
     var ok = mathProviderImpl.AddBatch(3.1415926, batch, out sm2);
     return sm2;
 }