Add openmax dl routines for review. MUST NOT BE LANDED

third_party/openmax_dl/dl/sp/src/test/compare.h

+/*
+ *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_ARM_FFT_TEST_COMPARE_H_
+#define WEBRTC_ARM_FFT_TEST_COMPARE_H_
+
+#include "dl/api/omxtypes.h"
+
+struct SnrResult {
+  /* SNR (in dB) for real component (for complex signals) */
+  float real_snr_;
+
+  /* SNR (in dB) for imaginary component (for complex signals) */
+  float imag_snr_;
+
+  /* SNR (in dB) for real and complex component (for complex signals) */
+  float complex_snr_;
+};
+
+/*
+ * Compute the SNR between the |actual| and |expected| signals of
+ * length |size|.  Three SNRs are computed.  An SNR is computed for
+ * just the real component, just the imaginary component, and the
+ * complex component.  The computed SNR is in dBs.
+ */
+void CompareComplex32(struct SnrResult* snr, OMX_SC32* actual,
+                      OMX_SC32* expected, int size);
+void CompareComplex16(struct SnrResult* snr, OMX_SC16* actual,
+                      OMX_SC16* expected, int size);
+void CompareReal32(struct SnrResult* snr, OMX_S32* actual,
+                   OMX_S32* expected, int size);
+void CompareReal16(struct SnrResult* snr, OMX_S16* actual,
+                   OMX_S16* expected, int size);
+void CompareComplexFloat(struct SnrResult* snr, OMX_FC32* actual,
+                         OMX_FC32* expected, int size);
+void CompareFloat(struct SnrResult* snr, OMX_F32* actual,
+                  OMX_F32* expected, int size);
+
+#endif