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#include¡°stdio.h¡±
int iabs(float x)
{ return(x>0?x:-x);
}
main()
{ float x=-1.2,y;
  y=iabs(2*x);
  printf("x=%f,iabs(x)=%f\n",a,b);
}

ÔËÐнá¹ûÊÇ£ºx=-1.200000,iabs(x)=2.000000
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lurencyj

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Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
1. ³ÌÐòÀïÃæÃ»ÓбäÁ¿a, b¡£Â¥Ö÷µÄ³ÌÐòÊDZàÒë²»¹ýµÄ;
2. return Óï¾ä²»ÐèÒªÔ²À¨ºÅ;
ºÜÅ®×Ӻܹ­Ëä´ó
2Â¥2012-03-19 01:04:00
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zxfirst

гæ (СÓÐÃûÆø)

¼ÆËã»úÊÓ¾õËã·¨

int iabs(float x);Õâ¸öº¯Êý·µ»Ø½á¹û¾ÍÊÇintÐ͵ġ£iabs(x)=2.000000²Å»á³öÏÖ£¬¶ø²»ÊÇiabs(x)=2.400000.
3Â¥2012-03-19 08:33:30
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lightman_sky

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[ Last edited by lightman_sky on 2012-3-19 at 17:52 ]
4Â¥2012-03-19 17:47:35
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