文件读取采用流输入。另外，segment的double类型换成float类型。 #28

Job	Run time
macOS-latest	1m 11s
ubuntu-22 (linux/amd64)	9s
ubuntu-22 (linux/arm/v7)	13s
ubuntu-22 (linux/ppc64le)	14s
windows-cublas (Release, x64, ON, ON, 11.8.0)	1s
openEuler-latest-cmake-cann (8.0.rc3.beta1-910b-openeuler22.03-py3.10, ascend910b3, Release)	3m 32s
windows-cublas (Release, x64, ON, ON, 12.2.0)	1s
ubuntu-22 (linux/arm64)	9s
windows-msys2 (CLANG64, clang-x86_64, Release)	3m 29s
ubuntu-22-gcc-sanitized (ADDRESS, linux/amd64)	18s
ubuntu-22-gcc (Debug, linux/arm64)	21s
ubuntu-22-gcc-sanitized (UNDEFINED, linux/amd64)	18s
ubuntu-22-gcc-sanitized (THREAD, linux/amd64)	11s
ubuntu-22-gcc (Debug, linux/amd64)	9s
ubuntu-22-gcc (Release, linux/ppc64le)	9s
ubuntu-22-gcc (Release, linux/arm64)	10s
ubuntu-22-clang (Release, linux/amd64)	15s
ubuntu-22-clang (Debug, linux/arm64)	12s
windows-blas (Release, x64, ON, ON)	2m 13s
ubuntu-22-gcc (Debug, linux/arm/v7)	16s
windows (Release, x64)	2m 48s
ubuntu-22-clang (Debug, linux/amd64)	20s
ubuntu-22-gcc (Release, linux/arm/v7)	10s
ubuntu-22-gcc (Release, linux/amd64)	19s
ubuntu-22-clang (Release, linux/ppc64le)	18s
ubuntu-22-clang (Release, linux/arm64)	14s
ubuntu-22-clang (Debug, linux/ppc64le)	16s
ubuntu-22-gcc (Debug, linux/ppc64le)	18s
windows-blas (Release, Win32, ON, ON)	2m 19s
windows (Release, Win32)	1m 53s
	22m 26s

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