Introducing upgrated BLIS GTestSuite.

Key features:
- able to test both static and dynamic libraries
- able to test BLAS, CBLAS and BLIS-typed interface
- can use any CBLAS library for reference results
- can build and/or run tests depending on the BLAS level or a specific API

AMD-Internal: [CPUPL-2732]
Change-Id: Ibe0d7938e06081526bbc54d3182ac7d17affdaf6

gtestsuite/testinghelpers/inc/common/data_generators.h

@@ -0,0 +1,55 @@
+#pragma once
+
+#include <random>
+#include "common/type_info.h"
+
+namespace testinghelpers {
+namespace datagenerators {
+
+/***************************************************
+ *              Random Generators
+****************************************************/
+/**
+ * @brief Returns a random int/float converted to an fp type (float, double, scomplex, dcomplex)
+ *        that lies in the range [from, to].
+ *
+ * @param[in, out] alpha the random fp
+ */
+template<typename T>
+void randomgenerators(int from, int to, T* alpha, char fp);
+
+/**
+ * @brief Returns a random vector (float, double, scomplex, dcomplex)
+ *        with elements that are integers or floats, depending on char, and follow a uniform distribution in the range [from, to].
+ * @param[in] n length of vector x
+ * @param[in] incx increments of vector x
+ * @param[in, out] x the random fp vector
+ * @param[in] fp if fp=='i' the elements will have random integer values.
+ *               if fp=='f' the elements will have random float values.
+ */
+template<typename T>
+void randomgenerators(int from, int to, gtint_t n, gtint_t incx, T* x, char fp);
+
+template<typename T>
+void randomgenerators(int from, int to, char storage, gtint_t m, gtint_t n, T* a, gtint_t lda, char fp);
+
+template<typename T>
+void randomgenerators(int from, int to, char storage, gtint_t m, gtint_t n, T* a, char transa, gtint_t lda, char fp);
+
+template<typename T>
+void randomgenerators(int from, int to, char storage, char uplo, gtint_t m,
+                    T* a, gtint_t lda, char datatype);
+} //end of namespace datagenerators
+
+template<typename T>
+std::vector<T> get_random_matrix(int from, int to, char storage, char trans, gtint_t m, gtint_t n,
+                    gtint_t lda, char datatype);
+
+template<typename T>
+std::vector<T> get_random_matrix(int from, int to, char storage, char uplo, gtint_t k,
+                    gtint_t lda, char datatype);
+
+template<typename T>
+std::vector<T> get_random_vector(int from, int to, gtint_t n, gtint_t incx, char datatype);
+
+} //end of namespace testinghelpers