diff options
| author | Joakim Tjernlund <joakim.tjernlund@transmode.se> | 2007-03-31 13:28:15 +0000 |
|---|---|---|
| committer | Joakim Tjernlund <joakim.tjernlund@transmode.se> | 2007-03-31 13:28:15 +0000 |
| commit | e7bcf43b6440ac9fc61a0eef5591393810daafb5 (patch) | |
| tree | b72c3fb15e030b47b2eb02d13169b4548382e855 /libm/powerpc/s_copysign.c | |
| parent | 7a40ba19c86e4d2fc7e35f14a0e629ee843b96a9 (diff) | |
From Steve Papacharalambous:
Add math support for PowerPC e500.
Diffstat (limited to 'libm/powerpc/s_copysign.c')
| -rw-r--r-- | libm/powerpc/s_copysign.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/libm/powerpc/s_copysign.c b/libm/powerpc/s_copysign.c deleted file mode 100644 index 1a988ac87..000000000 --- a/libm/powerpc/s_copysign.c +++ /dev/null @@ -1,59 +0,0 @@ -/******************************************************************************* -* * -* File sign.c, * -* Functions copysign and __signbitd. * -* For PowerPC based machines. * -* * -* Copyright © 1991, 2001 Apple Computer, Inc. All rights reserved. * -* * -* Written by Ali Sazegari, started on June 1991. * -* * -* August 26 1991: no CFront Version 1.1d17 warnings. * -* September 06 1991: passes the test suite with invalid raised on * -* signaling nans. sane rom code behaves the same. * -* September 24 1992: took the ̉#include support.hÓ out. * -* Dcember 02 1992: PowerPC port. * -* July 20 1994: __fabs added * -* July 21 1994: deleted unnecessary functions: neg, COPYSIGNnew, * -* and SIGNNUMnew. * -* April 11 2001: first port to os x using gcc. * -* removed fabs and deffered to gcc for direct * -* instruction generation. * -* * -*******************************************************************************/ - -#include <math.h> -#include "../fp_private.h" - -/******************************************************************************* -* * -* Function copysign. * -* Implementation of copysign for the PowerPC. * -* * -******************************************************************************** -* Note: The order of the operands in this function is reversed from that * -* suggested in the IEEE standard 754. * -*******************************************************************************/ - -libm_hidden_proto(copysign) -double copysign ( double arg2, double arg1 ) - { - union - { - dHexParts hex; - double dbl; - } x, y; - -/******************************************************************************* -* No need to flush NaNs out. * -*******************************************************************************/ - - x.dbl = arg1; - y.dbl = arg2; - - y.hex.high = y.hex.high & 0x7FFFFFFF; - y.hex.high = ( y.hex.high | ( x.hex.high & dSgnMask ) ); - - return y.dbl; - } -libm_hidden_def(copysign) |