loadrunner的atof函数有问题

float x;
     char *s = "7.2339 by these hilts or I am a villian else";

     x = atof(s);
     /* The %.2f formatting string limits the output to 2 decimal places */
     lr_output_message("%.2f", x);

应输出:7.23  
实际输出为:1244128.00(此值各个机器运行结果可能不同)

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