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木虫 (初入文坛)

[求助] IEOR(IDUM,MASK)源代码

随机数RAN(IDUM)中IEOR(IDUM,MASK)的源代码
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锐利的碎片

木虫 (正式写手)

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【答案】应助回帖

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感谢参与,应助指数 +1
jjdg(金币+2): 感谢参与 2011-12-19 01:40:53
Next: IERRNO, Previous: IDATE, Up: Intrinsic Procedures

8.121 IEOR — Bitwise logical exclusive or


Description:
IEOR returns the bitwise Boolean exclusive-OR of I and J.
Standard:
Fortran 95 and later
Class:
Elemental function
Syntax:
RESULT = IEOR(I, J)
Arguments:
I        The type shall be INTEGER.
J        The type shall be INTEGER, of the same kind as I. (As a GNU extension, different kinds are also permitted.)


Return value:
The return type is INTEGER, of the same kind as the arguments. (If the argument kinds differ, it is of the same kind as the larger argument.)
See also:
IOR, IAND, IBITS, IBSET, IBCLR, NOT
2楼2011-12-16 09:20:45
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锐利的碎片

木虫 (正式写手)

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jjdg(金币+1): 感谢参与 2011-12-19 01:41:02
只是位操作,内部就是寄存器指令。
3楼2011-12-16 09:24:38
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zhuorumeng

木虫 (初入文坛)

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jjdg(金币+1): 感谢参与 2011-12-20 02:00:55
引用回帖:
楼: Originally posted by 锐利的碎片 at 2011-12-16 09:24:38:
只是位操作,内部就是寄存器指令。

FORTRAN 6.5的随机数RAN(IDUM)中IEOR(IDUM,MASK)的源代码
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4楼2011-12-18 16:39:39
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