tchkfloat.lst

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C51 COMPILER V7.06   TCHKFLOAT                                                             06/19/2006 16:25:29 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE TCHKFLOAT
OBJECT MODULE PLACED IN tchkfloat.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE tchkfloat.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <reg52.h>
   2          #include <intrins.h>
   3          #include <stdio.h> /*为使用printf函数而加入*/
   4          float f1, f2, f3;
   5          void tst_chkfloat (void) {
   6   1              f1 = f2 * f3;
   7   1              switch (_chkfloat_ (f1)) 
   8   1              {
   9   2                      case 0:
  10   2                              printf ("result is a number\n"); break;
  11   2                      case 1:
  12   2                              printf ("result is zero\n"); break;
  13   2                      case 2:
  14   2                              printf ("result is +INF\n"); break;
  15   2                      case 3:
  16   2                              printf ("result is -INF\n"); break;
  17   2                      case 4:
  18   2                              printf ("result is NaN\n"); break;
  19   2              }
  20   1      }
  21          void main()
  22          {       SCON  = 0x50;    /*SCON:工作模式1，8-bit UART，允许接收*/
  23   1              TMOD |= 0x20;    /*TMOD：定时器T1，工作模式2, 8位自动重载方式*/
  24   1              TH1   = 0xf3;    /*当波特率为2400时，定时器初值*/
  25   1              TR1   = 1;       /*定时器T1开始运行*/
  26   1              TI    = 1;       /*允许发送数据*/
  27   1              f2=10.5;
  28   1              f3=0.2; //准备待测量的数
  29   1              for(;;)
  30   1                      tst_chkfloat();
  31   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    129    ----
   CONSTANT SIZE    =     83    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     12    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)