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39 lines
829 B
HTML
39 lines
829 B
HTML
<h1>数学函数 - fmod</h1>
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<p>原型:extern float fmod(float x, float y);</p>
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<p>用法:#include <math.h></p>
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<p>功能:计算x/y的余数</p>
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<p>说明:返回x-n*y,符号同y。n=[x/y](向离开零的方向取整)</p>
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举例:<pre><code class="language-c">
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// fmod.c
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#include <syslib.h>
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#include <math.h>
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main()
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{
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float x,y;
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clrscr(); // clear screen
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textmode(0x00); // 6 lines per LCD screen
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x=74.12;
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y=6.4;
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printf("74.12/6.4: %f\n",fmod(x,y));
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x=74.12;
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y=-6.4;
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printf("74.12/(-6.4): %f\n",fmod(x,y));
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getchar();
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return 0;
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}
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</code></pre>相关函数:无
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