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我必须使用 NIST 测试套件测试随机序列。我已经下载并运行了数据目录中给出的文件的测试。它工作正常，但是当我尝试在新的随机序列上运行它时，我得到了igmac: UNDERFLOW错误。随机序列在 Matlab 中使用

bs=fix(randi([0 1],1,k));

然后使用保存为.dat文件

dlmwrite('bs.dat', bs);

我将 bs.dat 复制到数据文件夹中并执行如下测试。有人可以告诉我这里有什么问题吗？

ash@computer:~/Documents/NIST_Test_Original/sts-2.1.2$ ./assess 1000000 GENERATORSELECTION ______________________________________

[0] Input File                 [1] Linear Congruential
[2] Quadratic Congruential I   [3] Quadratic Congruential II
[4] Cubic Congruential         [5] XOR
[6] Modular Exponentiation     [7] Blum-Blum-Shub
[8] Micali-Schnorr             [9] G Using SHA-1

输入选择：0

    User Prescribed Input File: data/bs.txt

            S T A T I S T I C A L   T E S T S
            _________________________________

[01] Frequency                       [02] Block Frequency
[03] Cumulative Sums                 [04] Runs
[05] Longest Run of Ones             [06] Rank
[07] Discrete Fourier Transform      [08] Nonperiodic Template Matchings
[09] Overlapping Template Matchings  [10] Universal Statistical
[11] Approximate Entropy             [12] Random Excursions
[13] Random Excursions Variant       [14] Serial
[15] Linear Complexity

     INSTRUCTIONS
        Enter 0 if you DO NOT want to apply all of the
        statistical tests to each sequence and 1 if you DO.

输入选择：0

     INSTRUCTIONS
        Enter a 0 or 1 to indicate whether or not the numbered statistical
        test should be applied to each sequence.

  123456789111111
           012345
  110000000000000


    P a r a m e t e r   A d j u s t m e n t s
    -----------------------------------------
[1] Block Frequency Test - block length(M):         128

选择测试（0 继续）：0

有多少比特流？5

输入文件格式：[0] ASCII - ASCII 0 和 1 的序列 [1] 二进制 - 数据文件中的每个字节包含 8 位数据

选择输入模式：0

 Statistical Testing In Progress.........

igamc: UNDERFLOW
igamc: UNDERFLOW
igamc: UNDERFLOW
igamc: UNDERFLOW
igamc: UNDERFLOW
 Statistical Testing Complete!!!!!!!!!!!!
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