Added Test code for GETF2, GBTF2 and GBSVX APIs (flame#62)

Author: ksaithar

test/main/input.global.operations

@@ -68,3 +68,6 @@
 #   APIs with only Benchmark test without Validation
 0   gbsv    Linear Solve using LU for Band Matrix         (0 = disable; 1 = enable; 2 = enable only this)
 0   getrf2  LU factorization (GETRF2)                     (0 = disable; 1 = enable; 2 = enable only this)
+0   getf2   LU factorization (GETF2)                      (0 = disable; 1 = enable; 2 = enable only this)
+0   gbtf2   LU factorization of banded matrix (GBTF2)     (0 = disable; 1 = enable; 2 = enable only this)
+0   gbsvx   Linear Solve using LU for Band Matrix (GBSVX) (0 = disable; 1 = enable; 2 = enable only this)

test/main/src/CMakeLists.txt

@@ -72,6 +72,9 @@ ${CMAKE_CURRENT_SOURCE_DIR}/test_trtrs.c
 # only performance benchmarking
 ${CMAKE_CURRENT_SOURCE_DIR}/test_gbsv.c
 ${CMAKE_CURRENT_SOURCE_DIR}/test_getrf2.c
+${CMAKE_CURRENT_SOURCE_DIR}/test_getf2.c
+${CMAKE_CURRENT_SOURCE_DIR}/test_gbtf2.c
+${CMAKE_CURRENT_SOURCE_DIR}/test_gbsvx.c
 )
 
 add_subdirectory(lapacke)