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  • Committer: Bazaar Package Importer
  • Author(s): Hakan Ardo
  • Date: 2002-04-15 14:53:38 UTC
  • Revision ID: james.westby@ubuntu.com-20020415145338-c8hi0tn5bx74w7o3
Tags: upstream-20020203
Import upstream version 20020203

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libm/fplib/fp_nan.S
 
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/*  -*- Mode: Asm -*-  */
 
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/*
 
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    fp_nan.S is part of     FPlib V 0.3.0       ported to avr-as
 
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    for copyright and details see readme.fplib
 
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 *----------------------------------------------------------------------------------------*/
 
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#include "gasava.inc"
 
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#include "fplib.inc"
 
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          TEXT_SEG(fplib, __fp_nan)
 
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          FUNCTION(__fp_nan)
 
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GLOBAL(__fp_nanEDOM)
 
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 #ifdef __ERRNO__
 
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   LDI     rA3,EDOM             ; the most used errno value
 
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   RJMP    __fp_nan
 
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 #endif
 
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GLOBAL(__fp_nanERANGE)
 
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 #ifdef __ERRNO__
 
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   LDI     rA3,ERANGE           ; the most used errno value
 
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 #endif
 
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GLOBAL(__fp_nan)                ; -> -NaN
 
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 #ifdef __ERRNO__
 
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   STS     _errno,rA3
 
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   #if __ERRNO__ == 2
 
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     STS     _errno+1,rT1c
 
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   #endif
 
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 #endif
 
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GLOBAL(__fp_nanx)               ;
 
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    LDI     rA3,0xFF
 
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    LDI     rA2,0xC0
 
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    RET
 
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          ENDFUNC
 
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