Repository navigation

Fix handling of negative increments in ZSPR, ZSPR2 and ZSYR2 #3311

Job	Run time
xbuild-ios	6m 45s
xbuild-x86_64	13m 39s
xbuild-ios32	6m 53s
build-windows (make, gfortran, 1, 1)	7m 59s
build-windows (make, gfortran, 0, 1)	7m 15s
build-windows (cmake, gfortran, 1, 1)	30m 22s
build-windows (cmake, gfortran, 1, 0)	28m 2s
build-windows (make, gfortran, 0, 0)	8m 10s
build-windows (make, gfortran, 1, 0)	9m 1s
build-windows (cmake, gfortran, 0, 1)	29m 58s
build-windows (cmake, gfortran, 0, 0)	32m 1s
	3h 0m 5s