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Re: long double data type
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Re: long double data type


  • Subject: Re: long double data type
  • From: Jonas Maebe <email@hidden>
  • Date: Mon, 14 Jun 2010 21:39:49 +0200

On 14 Jun 2010, at 21:35, Paul Sanders wrote:

> The floating point unit works at 80 bit precision on 32 bit Intel (and, I believe, 64 bit Intel) but when results are moved to memory (including, where necessary, temporaries) then the results are truncated to 64 bits.

In case you use long double, then the full 80 bits will be stored to memory and no truncation happens.


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References: 
 >long double data type (From: Luigi Castelli <email@hidden>)
 >Re: long double data type (From: Jens Alfke <email@hidden>)
 >Re: long double data type (From: "Paul Sanders" <email@hidden>)

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