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浮点数在内存中的表示 - C/C++ - 清泛网 - 专注C++内核技术
...\n", f1);
// 0 10000101 11110110000000000000000
void * p = (void *)0x42fb0000;
memcpy(&f1, &p, 4);
printf("%f\n", f1);
// 1 11111111 00000000000000000000000
p = (void *)0xff800000;
memcpy(&f1, &p, 4);
printf("%f\n", f1);
return 0;
}
运行结果：
好了，就写到...
浮点数在内存中的表示 - C/C++ - 清泛网 - 专注C++内核技术
...\n", f1);
// 0 10000101 11110110000000000000000
void * p = (void *)0x42fb0000;
memcpy(&f1, &p, 4);
printf("%f\n", f1);
// 1 11111111 00000000000000000000000
p = (void *)0xff800000;
memcpy(&f1, &p, 4);
printf("%f\n", f1);
return 0;
}
运行结果：
好了，就写到...
浮点数在内存中的表示 - C/C++ - 清泛网 - 专注C++内核技术
...\n", f1);
// 0 10000101 11110110000000000000000
void * p = (void *)0x42fb0000;
memcpy(&f1, &p, 4);
printf("%f\n", f1);
// 1 11111111 00000000000000000000000
p = (void *)0xff800000;
memcpy(&f1, &p, 4);
printf("%f\n", f1);
return 0;
}
运行结果：
好了，就写到...
浮点数在内存中的表示 - C/C++ - 清泛网 - 专注C++内核技术
...\n", f1);
// 0 10000101 11110110000000000000000
void * p = (void *)0x42fb0000;
memcpy(&f1, &p, 4);
printf("%f\n", f1);
// 1 11111111 00000000000000000000000
p = (void *)0xff800000;
memcpy(&f1, &p, 4);
printf("%f\n", f1);
return 0;
}
运行结果：
好了，就写到...
浮点数在内存中的表示 - C/C++ - 清泛网 - 专注C++内核技术
...\n", f1);
// 0 10000101 11110110000000000000000
void * p = (void *)0x42fb0000;
memcpy(&f1, &p, 4);
printf("%f\n", f1);
// 1 11111111 00000000000000000000000
p = (void *)0xff800000;
memcpy(&f1, &p, 4);
printf("%f\n", f1);
return 0;
}
运行结果：
好了，就写到...
浮点数在内存中的表示 - C/C++ - 清泛网移动版 - 专注C++内核技术
...\n", f1);
// 0 10000101 11110110000000000000000
void * p = (void *)0x42fb0000;
memcpy(&f1, &p, 4);
printf("%f\n", f1);
// 1 11111111 00000000000000000000000
p = (void *)0xff800000;
memcpy(&f1, &p, 4);
printf("%f\n", f1);
return 0;
}
运行结果：
好了，就写到...
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Why does this code using random strings print “hello world”?
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Generate random numbers uniformly over an entire range
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154
Why rand is a bad idea
Most of the answers you got here make use of the rand function and the mo...
Rolling or sliding window iterator?
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124
There's one in an old version of the Python docs with itertools examples:
from itertools import...