set (FFTW3_FIND_QUIETLY TRUE)
endif (FFTW3_INCLUDE_DIR AND FFTW3_LIBRARIES)
-find_path (FFTW3_INCLUDE_DIR fftw3.h)
+find_path (FFTW3_INCLUDE_DIR fftw3.h
+ CACHE STRING "Path to headers for double precision FFTW3")
+
+
+find_library (FFTW3_LIBRARIES
+ NAMES fftw3
+ PATHS "${FFTW3_INCLUDE_DIR}/../lib"
+ CACHE STRING "Double precision FFTW3 libraries")
-find_library (FFTW3_LIBRARIES NAMES fftw3)
# handle the QUIETLY and REQUIRED arguments and set FFTW_FOUND to TRUE if
# all listed variables are TRUE