• Thomas Kuehne (19/19) May 11 2005 -----BEGIN PGP SIGNED MESSAGE-----
• Walter (4/10) May 11 2005 ifloat
• Thomas Kuehne (19/28) May 11 2005 -----BEGIN PGP SIGNED MESSAGE-----
• Uwe Salomon (5/15) May 11 2005 Well, then the one which says that it is ok is wrong. Walter is 100% rig...
• Thomas Kuehne (18/32) May 11 2005 -----BEGIN PGP SIGNED MESSAGE-----

Thomas Kuehne <thomas-dloop kuehne.thisisspam.cn> writes:

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dmd: cannot implicitly convert expression (4i / 2i) of type float to ifloat

Added to DStress as
http://dstress.kuehne.cn/run/o/opDiv_10_A.d
http://dstress.kuehne.cn/run/o/opDiv_10_B.d
http://dstress.kuehne.cn/run/o/opDiv_10_C.d
http://dstress.kuehne.cn/run/o/opDiv_10_D.d
http://dstress.kuehne.cn/run/o/opDiv_10_E.d
http://dstress.kuehne.cn/run/o/opDiv_10_F.d

Thomas


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"Walter" <newshound digitalmars.com> writes:

"Thomas Kuehne" <thomas-dloop kuehne.thisisspam.cn> wrote in message
news:rit129-at3.ln1 lnews.kuehne.cn...
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 dmd: cannot implicitly convert expression (4i / 2i) of type float to

ifloat

Which is correct. An imaginary divided by an imaginary is a real number.

Thomas Kuehne <thomas-dloop kuehne.thisisspam.cn> writes:

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Walter schrieb am Wed, 11 May 2005 10:26:57 -0700:
 "Thomas Kuehne" <thomas-dloop kuehne.thisisspam.cn> wrote in message
 news:rit129-at3.ln1 lnews.kuehne.cn...



 dmd: cannot implicitly convert expression (4i / 2i) of type float to

 ifloat

 Which is correct. An imaginary divided by an imaginary is a real number.

Interresting: The documentations I used (one math, the other computing)
disagree with eachother. I'll take a closer look at this tomorrow.

Note: I'm not talking about 





but about 





Thomas


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"Uwe Salomon" <post uwesalomon.de> writes:

 dmd: cannot implicitly convert expression (4i / 2i) of type float to

 ifloat

 Which is correct. An imaginary divided by an imaginary is a real number.

 Interresting: The documentations I used (one math, the other computing)
 disagree with eachother.

Well, then the one which says that it is ok is wrong. Walter is 100% right  
about the underlying maths here. Note that 4.0i * 2.0i is also a real  
value: -8.0.

Ciao
uwe

Thomas Kuehne <thomas-dloop kuehne.thisisspam.cn> writes:

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Uwe Salomon schrieb am Wed, 11 May 2005 22:12:38 +0200:



 dmd: cannot implicitly convert expression (4i / 2i) of type float to

 ifloat

 Which is correct. An imaginary divided by an imaginary is a real number.

 Interresting: The documentations I used (one math, the other computing)
 disagree with eachother.

 Well, then the one which says that it is ok is wrong. Walter is 100% right  
 about the underlying maths here. Note that 4.0i * 2.0i is also a real  
 value: -8.0.

The computing docu used the "unusuall" approach of independent root dimensions:

real (dim A)
imaginary (dim B)
complex (dim A+B)

The math docu used the normal approach:

real (dim A)
complex (dim A+B)
imaginary (dim A+B where the values in A=0)

Moved the test cases to nocompile.

Thomas


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