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2.5-18.1
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@ -1,6 +1,6 @@
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/* Software floating-point emulation.
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Definitions for IEEE Double Precision
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Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.
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Copyright (C) 1997,1998,1999,2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Richard Henderson (rth@cygnus.com),
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Jakub Jelinek (jj@ultra.linux.cz),
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@ -12,6 +12,15 @@
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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In addition to the permissions in the GNU Lesser General Public
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License, the Free Software Foundation gives you unlimited
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permission to link the compiled version of this file into
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combinations with other programs, and to distribute those
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combinations without any restriction coming from the use of this
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file. (The Lesser General Public License restrictions do apply in
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other respects; for example, they cover modification of the file,
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and distribution when not linked into a combine executable.)
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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@ -19,8 +28,8 @@
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#if _FP_W_TYPE_SIZE < 32
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#error "Here's a nickel kid. Go buy yourself a real computer."
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@ -42,16 +51,22 @@
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#define _FP_QNANBIT_D \
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((_FP_W_TYPE)1 << (_FP_FRACBITS_D-2) % _FP_W_TYPE_SIZE)
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#define _FP_QNANBIT_SH_D \
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((_FP_W_TYPE)1 << (_FP_FRACBITS_D-2+_FP_WORKBITS) % _FP_W_TYPE_SIZE)
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#define _FP_IMPLBIT_D \
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((_FP_W_TYPE)1 << (_FP_FRACBITS_D-1) % _FP_W_TYPE_SIZE)
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#define _FP_IMPLBIT_SH_D \
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((_FP_W_TYPE)1 << (_FP_FRACBITS_D-1+_FP_WORKBITS) % _FP_W_TYPE_SIZE)
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#define _FP_OVERFLOW_D \
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((_FP_W_TYPE)1 << _FP_WFRACBITS_D % _FP_W_TYPE_SIZE)
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typedef float DFtype __attribute__((mode(DF)));
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#if _FP_W_TYPE_SIZE < 64
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union _FP_UNION_D
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{
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double flt;
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DFtype flt;
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struct {
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#if __BYTE_ORDER == __BIG_ENDIAN
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unsigned sign : 1;
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@ -89,6 +104,18 @@ union _FP_UNION_D
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_FP_UNPACK_CANONICAL(D,2,X); \
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} while (0)
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#define FP_UNPACK_SEMIRAW_D(X,val) \
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do { \
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_FP_UNPACK_RAW_2(D,X,val); \
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_FP_UNPACK_SEMIRAW(D,2,X); \
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} while (0)
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#define FP_UNPACK_SEMIRAW_DP(X,val) \
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do { \
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_FP_UNPACK_RAW_2_P(D,X,val); \
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_FP_UNPACK_SEMIRAW(D,2,X); \
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} while (0)
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#define FP_PACK_D(val,X) \
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do { \
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_FP_PACK_CANONICAL(D,2,X); \
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@ -102,6 +129,19 @@ union _FP_UNION_D
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_FP_PACK_RAW_2_P(D,val,X); \
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} while (0)
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#define FP_PACK_SEMIRAW_D(val,X) \
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do { \
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_FP_PACK_SEMIRAW(D,2,X); \
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_FP_PACK_RAW_2(D,val,X); \
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} while (0)
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#define FP_PACK_SEMIRAW_DP(val,X) \
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do { \
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_FP_PACK_SEMIRAW(D,2,X); \
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if (!FP_INHIBIT_RESULTS) \
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_FP_PACK_RAW_2_P(D,val,X); \
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} while (0)
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#define FP_ISSIGNAN_D(X) _FP_ISSIGNAN(D,2,X)
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#define FP_NEG_D(R,X) _FP_NEG(D,2,R,X)
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#define FP_ADD_D(R,X,Y) _FP_ADD(D,2,R,X,Y)
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@ -113,6 +153,7 @@ union _FP_UNION_D
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#define FP_CMP_D(r,X,Y,un) _FP_CMP(D,2,r,X,Y,un)
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#define FP_CMP_EQ_D(r,X,Y) _FP_CMP_EQ(D,2,r,X,Y)
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#define FP_CMP_UNORD_D(r,X,Y) _FP_CMP_UNORD(D,2,r,X,Y)
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#define FP_TO_INT_D(r,X,rsz,rsg) _FP_TO_INT(D,2,r,X,rsz,rsg)
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#define FP_FROM_INT_D(X,r,rs,rt) _FP_FROM_INT(D,2,X,r,rs,rt)
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@ -124,7 +165,7 @@ union _FP_UNION_D
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union _FP_UNION_D
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{
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double flt;
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DFtype flt;
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struct {
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#if __BYTE_ORDER == __BIG_ENDIAN
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unsigned sign : 1;
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@ -160,6 +201,18 @@ union _FP_UNION_D
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_FP_UNPACK_CANONICAL(D,1,X); \
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} while (0)
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#define FP_UNPACK_SEMIRAW_D(X,val) \
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do { \
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_FP_UNPACK_RAW_2(1,X,val); \
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_FP_UNPACK_SEMIRAW(D,1,X); \
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} while (0)
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#define FP_UNPACK_SEMIRAW_DP(X,val) \
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do { \
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_FP_UNPACK_RAW_2_P(1,X,val); \
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_FP_UNPACK_SEMIRAW(D,1,X); \
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} while (0)
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#define FP_PACK_D(val,X) \
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do { \
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_FP_PACK_CANONICAL(D,1,X); \
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@ -173,6 +226,19 @@ union _FP_UNION_D
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_FP_PACK_RAW_1_P(D,val,X); \
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} while (0)
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#define FP_PACK_SEMIRAW_D(val,X) \
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do { \
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_FP_PACK_SEMIRAW(D,1,X); \
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_FP_PACK_RAW_1(D,val,X); \
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} while (0)
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#define FP_PACK_SEMIRAW_DP(val,X) \
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do { \
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_FP_PACK_SEMIRAW(D,1,X); \
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if (!FP_INHIBIT_RESULTS) \
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_FP_PACK_RAW_1_P(D,val,X); \
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} while (0)
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#define FP_ISSIGNAN_D(X) _FP_ISSIGNAN(D,1,X)
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#define FP_NEG_D(R,X) _FP_NEG(D,1,R,X)
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#define FP_ADD_D(R,X,Y) _FP_ADD(D,1,R,X,Y)
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@ -187,6 +253,7 @@ union _FP_UNION_D
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#define FP_CMP_D(r,X,Y,un) _FP_CMP(D,1,r,X,Y,un)
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#define FP_CMP_EQ_D(r,X,Y) _FP_CMP_EQ(D,1,r,X,Y)
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#define FP_CMP_UNORD_D(r,X,Y) _FP_CMP_UNORD(D,1,r,X,Y)
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#define FP_TO_INT_D(r,X,rsz,rsg) _FP_TO_INT(D,1,r,X,rsz,rsg)
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#define FP_FROM_INT_D(X,r,rs,rt) _FP_FROM_INT(D,1,X,r,rs,rt)
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