added

git-svn-id: http://moon:8086/svn/software/trunk/libsrc/cpp@880 b431acfa-c32f-4a4a-93f1-934dc6c82436
2022-05-28 13:21:43 +00:00
parent 4d1ff8d1ae
commit b6d1b1f45b
10 changed files with 255 additions and 0 deletions
@@ -0,0 +1,40 @@
+#ifndef NULLSOURCE_HPP
+#define NULLSOURCE_HPP
+
+#pragma once
+
+#include <Block.hpp>
+
+class NullSource : public Block
+{
+public:
+    NullSource(DType dtype)
+    : Block(0, 1, DType::None, dtype)
+    {
+
+    }
+
+    virtual ~NullSource() = default;
+
+    void process(IBuffer &out) override
+    {
+        if (dtype_out() == DType::Double)
+        {
+            auto buf_out = reinterpret_cast<Buffer<double>&>(out);
+            process_double(buf_out);
+        }
+    }
+
+    void process_double(Buffer<double> &out)
+    {
+        double d = 0;
+        for (int i=0; i < (out.capacity() - out.len()); i++)
+        {
+            out.write(&d, 1);
+        }
+    }
+private:
+
+};
+
+#endif // NULLSOURCE_HPP