New upstream version 5f2upstream/5f2upstream

1 files changed, 588 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 1555342..d125dfb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,591 @@
+2015-01-14  Aubrey Jaffer  <jaffer@dv7t>
+
+	* patchlvl.h (SCMVERSION): Bumped from 5f1 to 5f2.
+
+2015-01-03  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (int2dbl, pmantexp2dbl): Recycle temporary bignums.
+
+2014-11-27  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (pdbl2str, pmantexp2dbl): Cleaned up code.
+
+2014-11-22  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (pmantexp2dbl): Handle exponents smaller than -324.
+	(pmantexp2dbl): Optimized.  Added bigrecy(quo).
+	(pdbl2str, pmantexp2dbl): Uses powers-of-5.
+
+2014-11-21  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (pmantexp2dbl): call int2dbl() instead of num2dbl().
+	(pdbl2str): Use powers-of-5 table instead of powers-of-10.
+	(pdbl2str): e2 > 0 prints out extra digit; reverting.
+
+2014-05-04  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (strrecy, pdbl2str): Recycle temporary string used in
+	number->string conversion.
+	(scm_intexpt): Call bigrecy only when #ifdef BIGDIG.
+
+2014-05-02  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* subr.c (scm_bitwise_bit_count, scm_logcount, scm_intlength)
+	(big2inum): Recycle temporary bignums.
+
+	* scl.c (int2dbl, scm_intexpt, divide, difference, big2str)
+	(pdbl2str): Recycle temporary bignums.
+
+2014-04-27  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (bigrecy): Added procedure to recycle bignums.
+	(mantexp2dbl, pmantexp2dbl, int2dbl): Recycle temporary bignums.
+
+	* r4rstest.scm (test-bignum): Added tests for GCD and LCM.
+
+2014-04-24  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* sys.c (sysptob): Added sysflush (for sys_errp).  Fixed exit when
+	verbose > 3.
+
+	* scm.c (process_signals): Reenabled lfflush(sys_errp).
+
+2014-04-21  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.texi (Internal State): Added "(gc #t)".
+
+2014-04-07  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (pdbl2str): Replaced call to int2dbl() with scm_intlength().
+
+2014-02-17  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.texi: TeXinfo-5 now disallows text between @defunx lines.
+
+2014-02-08  From: Marc Espie
+
+	* time.c: OpenBSD is phasing out old interfaces such as ftime and
+	the timeb data structure.  This should allow things to work in a
+	saner way on any system that uses gettimeofday().
+
+2013-05-08  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* patchlvl.h (SCMVERSION): Bumped from 5e7 to 5f1.
+
+2013-04-14  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* r4rstest.scm (test-inexact-printing): Added float-rw-range-test
+	to check that all powers of 10 in the range of IEEE doubles are
+	read-write-invariant and their strings are short.
+
+2013-04-13  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (pmantexp2dbl): Renamed from imantexp2dbl and radically
+	simplified (because bex < 0).
+
+2013-04-12  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (scm_intexpt): Fixed (integer-expt 2 -1074).
+	(dbl2big): Was returning unnormalized bignums.
+
+2013-04-10  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (llog2): Use with bignums also.
+
+2013-04-06  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scmfig.h (BIGDIG): Enable 32-bit BIGDIGs.
+
+	* subr.c (scm_big_ash): Workaround left-shifting unsigned int by
+	32-bits in gcc -O0 bug.
+
+	* scl.c: Removed debugging printf()s.
+
+	* dynl.c, eval.c, repl.c, scmmain.c (scm_verbose): Replaced uses
+	of `verbose' alias.
+
+2013-03-31  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scmfig.h: Rearranged to enable detection of int size.
+
+	* subr.c (scm_bitfield, scm_ash): Don't reuse SCM variables as longs.
+
+2013-03-30  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (ilong2str): Renamed from iint2str().
+	(pdbl2str): No longer assumes that ulong is larger than double.
+
+	* subr.c (divbigdig): Return type changed to UBIGLONG.
+
+2013-03-24  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.h (iuint2str): Added declaration.
+
+	* scmfig.h (UBIGLONG, SBIGLONG): Added in preparation for 32-bit
+	BIDIG.
+
+	* bytenumb.c (scm_bytes_to_integer, scm_integer_to_bytes): Use
+	UBIGLONG for integers holding 2 BIGDIGs.
+
+	* scl.c (int2dbl): Only accumulate dbl_mant_dig worth of BIGDIGs.
+	(dbl2big, int2dbl): Use ldexp() instead of multiplication by BIGRAD.
+	(pdbl2str): Use unsigned int2str conversion.
+	(istr2int): Changed radix from long to int.
+
+	* subr.c (divbigbig): Implements core of scm_round_quotient().
+	(divbigbig): Round correctly when x is shorter than y.
+	(scm_copy_big_ash1): Abstracted repeated code from divbigbig().
+	(scm_big_ash, big2inum, long2big, addbig, mulbig)
+	(divbigdig, divbigint, divbigbig): Use UBIGLONG and SBIGLONG for
+	integers holding 2 BIGDIGs.
+
+2013-03-17  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* subr.c (scm_round_quotient): Round toward even.
+
+2013-03-14  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (imantexp2dbl): Added to check that conversion to decimal
+	is accurate.
+	(pdbl2str): Uses smallest number of digits!
+
+	* subr.c (scm_round_quotient): Abstracted from decimal conversion
+	code and int2dbl().
+
+2013-03-10  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (int2dbl): Renamed from big2dbl.
+	(inex_divintbig): Renamed from inex_divbigbig.
+	(big2scaldbl): Removed for not returning unnormalized doubles.
+	(divide, inex_divintbig): Can now return unnormalized doubles.
+
+2013-03-09  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Makefile (scm4, scm5, dscm5): Don't ignore (readback) errors.
+
+	* scl.c (mantexp2dbl, big2dbl): Comment out checks for rounding
+	evenness making a difference.
+
+	* r4rstest.scm (test-inexact): Changed 4.0 to f4.0.
+
+	* scl.c (mantexp2dbl): Reading now accurate for negative
+	exponents.  Only one readback error remains: 699.99999999998702e18
+	(big2dbl): Turned out to need explicit rounding -- all are fixed!
+
+2013-02-20  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (pdbl2str): Does engineering notation now.
+
+2013-02-18  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (pdbl2str): Replaced with homegrown version.
+	(pdbl2str): Fixed nasty range error around 2.^53.
+	Still failing 12 readback tests; too many digits output.
+
+2013-02-07  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* r4rstest.scm (test-inexact-printing): Output both original and
+	readback value.
+
+	* scl.c (pdbl2str): Implements "Printing Floating-Point Numbers
+	Quickly and Accurately" by Robert G. Burger and R. Kent Dybvig.
+	1.000000000000001 doesn't seem right.
+
+2013-01-24  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (dbl_prec, apx_log10, lpow10): Moved adjacent to
+	pdbl2str(), which is their only use.
+
+2013-01-23  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (scm_cintlog): Fixed eqv reference in scmlit build.
+
+2013-01-21  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (scm_next_dfloat): Removed (skipped codes).
+	(pdbl2str): Split from idbl2str() in preparation for improved
+	printing of floats.
+
+2013-01-14  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (scm_intlog, integer-log): Ported to C.
+	* (ceiling-integer-log): Ported to C for use in printing floats.
+
+2013-01-02  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (mantexp2dbl): Fixed reading of small magnitude numbers;
+	seem to be no missing codes from ieee-double->bytes.
+
+2013-01-01  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (istr2flo): Convert '#' to '0' in mantissa string.
+	(mantexp2dbl): Fixed reading of large magnitude numbers!
+	(dbl2big): Don't loop forever on infinite arguments.
+
+2012-12-29  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (mantexp2dbl): Separated mantissa conversion and scaling
+	from istr2flo().
+
+2012-12-27  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* bytenumb.c (get_bytes): Fixed bytes-length checking.
+
+2012-12-18  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Makefile: Removed turtlegr files from distribution because
+	copyright isn't assigned to FSF.
+
+	* findexec.c: Copyright was assigned to FSF.
+
+2012-08-16  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* eval.c (m_body): Reverse letrec bindings (and internal defines)
+	to produce LETREC* behavior.
+
+2012-04-10  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Makefile (upgnu): Added target to upload to ftp.gnu.org.
+
+2012-01-11  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Init5e7.scm (integer->list): Negative k not allowed.
+
+2011-12-27  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Makefile (catfiles): Create catalogs at end of install and
+	remove in uninstall.
+
+2011-12-25  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Makefile (install-lib): Install $(wbfiles) if -f wbscm.so.
+
+2011-12-23  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Makefile (install-lib): Install "build" as program.
+
+2011-11-24  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.texi (Testing): Moved between "Problems Linking" and
+	"Problems Starting".
+
+2011-11-20  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Makefile (install-lib): Make installation of libscm.a optional.
+
+	* scm.texi (Distributions, GNU configure and make): Added text
+	suggested by John Gabriele.
+
+2011-11-15  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* lastfile.c: Fixed typo ("macosx-config.h").
+
+2011-11-12  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.texi, README (Installing SCM): Reorganized and expanded.
+
+	* Makefile (SETARCH): Use for disabling OS-X dump-time ASLR.
+	(udscm*.opt scm*.opt): Refactored dependencies.
+
+2011-11-06  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Makefile (alld5, all5): Clever sub-targets of all.
+
+	* scm.texi (Building Using Make): Added subsection.
+
+2011-10-26  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.texi (Installing SCM): Reorganized in response to
+	suggestions from John Gabriele.
+
+2011-10-25  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.texi (Installing SCM): Reorganized.
+	Updated email addresses.
+
+	* Makefile (configure.usage): Added.
+
+2011-09-04  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (inf2str): Ouput +nan.0 for NaN.
+	(istr2flo): Parse [-+]nan.0.
+
+2011-08-18  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (istr2flo): 1e-1 ==> 100.0e-3; 1f-1 ==> 100.00000149011612e-3
+
+2011-08-05  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* unexmacosx.c: Added Emacs dump code for OS-X.
+
+	* x11.scm: Updated for X Server 1.9.0.
+
+2011-06-15  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.texi (I/O-Extensions): Added DIRECTORY*-FOR-EACH.
+
+2011-03-11  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scmfig.h (__APPLE__): Include unistd.h.
+
+2010-10-17  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (scm_bigdblcomp): Fixed type of argument to frexp().
+
+	* findexec.c (dld_find_executable): Handle getcwd() failure.
+
+	* sys.c (ltmpnam): Handle tmpnam() failure.
+
+	* unif.c (list->uniform-array): Fixed rank check.
+
+2010-10-13  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.h (tc7_VfixN64, tc7_VfixZ64): Added.
+
+	* scm.texi (Data Type Representations): Allocated codes for
+	tc7_VfixN64 and tc7_VfixZ64.
+
+2010-08-21  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* differ.c (I32): Workaround for A:fixZ32b actually being 64.bit
+	on __x86_64.
+
+	* rope.c (scm_addr, scm_base_addr): Changed return type to void*.
+
+2010-07-17  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.texi (Conventional Arrays): @exdent wide examples.
+
+	* Makefile (scm5, scm4): Fail if check fails.
+
+	* scl.c (inf2str): Use strcpy() instead of explicity copying.
+
+2010-06-29  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* patchlvl.h (SCMVERSION): Bumped from 5e6 to 5e7.
+
+	* Makefile (winscm5.opt): Use wb-no-threads.
+
+	* build.scm (wb-no-threads): wb feature for mingw.
+
+	* hobbit.texi (Compiling And Linking): Fixed \" quoting in @example.
+
+	* Makefile, scm.spec: Fixed RPM build.
+
+2010-06-19  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Makefile: INSTALL_INFO = ginstall-info.
+
+2010-06-02  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* configure: Improved portability of trailing / detection.
+
+	* Makefile (db.so): Added $(wbfiles) dependency.
+
+2010-05-22  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* configure (ac_default_prefix): Was lacking trailing /.
+
+2010-04-27  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Makefile (db.so): Recompile if any ../wb/c/*.c changes.
+	(tagfiles): Don't include documentation sources twice.
+	(x.h): CPROTO no longer available; "x.h" is in CVS.
+
+2010-03-31  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* ioext.c (copy-file): Added.
+
+2010-03-16  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* hobbit.texi (Compiling And Linking): Fixed quoting in example
+	compile commands for MS-DOS prompt.
+
+2010-02-23  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Makefile (Makefile): Runs ./configure to create config.status.
+
+2010-02-13  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Makefile: Reorganized per <http://www.gnu.org/prep/standards/>.
+
+2010-02-04  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* configure: GNU-style configuration for installation creates
+	config.status, which is included by Makefile.
+
+2010-01-27  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.texi (Numeric): Added infinite?, finite?, exact-round,
+	exact-floor, exact-ceiling, and exact-truncate.
+
+2009-12-27  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.texi (Bit Vectors): Fixed doc for bit-set*!.
+
+2009-10-21  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* ioext.c (init_ioext): Added directory*-for-each.
+
+2009-10-05  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* build.scm (wb): Added c-lib pthread.
+	(C-libraries): pthread added.
+
+	* Makefile (db.so): Corrected for new WB file organization.
+
+2009-09-14  Radey Shouman  <shouman@comcast.net>
+
+	* Macexp.scm (macro:expand-syntax): Fix non-pretty case.
+	Fully expand identifier macros.
+
+	* eval.c (scm_macroexpand1): Properly handle identifier macros.
+	(macroexp1):  Fixed for the case of the first argument an
+	identifier -- used to return a list headed by #@quote.
+	(ceval_1):  Fixed argument number check for nullary procedures --
+	used to incorrectly call scm_dynthrow.
+
+2009-08-29  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* dynl.c (l_dyn_main_call): Added cast to eliminate gcc warning.
+
+	* sys.c (free_storage): Removed late call to lfflush() which
+	caused segfault in fc9.
+
+	* mkimpcat.scm (in-wb-vicinity): is "../wb/c/".
+
+2009-08-26  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* sys.c (gc_mark): For tcs_cons_nimcar, do one CDR lookahead for
+	mark.
+
+2009-08-02  Aubrey Jaffer  <jaffer@localhost.localdomain>
+
+	* patchlvl.h (SCMVERSION): Bumped from 5e5 to 5e6.
+
+2009-07-14  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* ioext.c (make-directory): Fixed umask (to #o022).
+
+2009-03-21  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (scm_bigdblcomp): Fixed comparison with infinities.
+	(scm_max, scm_min): Renamed from lmax, lmin.
+	(bigdblop): Fixed division by 0 and infinities.
+	(bigdblop): Fixed case: (/ (+ 1 most-positive-fixnum) 1e-165)
+
+2008-12-14  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* r4rstest.scm (6 5 5): Added exact-integer division tests.
+
+2008-12-13  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* r4rstest.scm (6 9): Added (procedure? /).
+	(4 2 4): Added test for test clause without expressions.
+
+2008-11-15  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* build.scm (build:command): Comment interfered with make-build-cgi.
+
+2008-08-06  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* rope.c (scm_gc_protect): Don't check if already protected; for
+	large Hobbit compiles that is an O(N^2) process.
+
+	* hobbit.scm (make-initialization-function!): Sets no_symhash_gc.
+
+	* sys.c, scm.h (no_symhash_gc): Added for Hobbit-produced code.
+
+	* Link.scm (link:link): Added calls to load:pre and load:post.
+
+	* mkimpcat.scm (add-links): Added "hobbit.so".
+
+	* Init5e5.scm (load:pre, load:post): Take operation argument for
+	use with both loading and linking.
+
+2008-08-06  Martin Ward
+
+	* hobbit.scm (*c-keywords*): Added system, random, and exit.
+	(*char-replacements*): Added backslash.
+
+2008-07-27  Thomas Bushnell BSG
+
+	* build.scm (linux-ia64, build-continue-ia64): Include
+	continue-ia64.o in .a libraries.
+
+2008-07-05  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.texi (SCM Session): Added description of getenv (extension).
+
+	* scm.c (scm_getenv): Renamed from lgetenv; with no arguments,
+	returns names and values of all the environment variables as an
+	association-list.
+
+2008-06-29  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* sys.c (sfwrite, sfputs): Added "const" to first argument
+	declaration.
+
+2008-06-15  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.nsi: Added "Tscript.scm".
+
+2008-05-14  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* repl.c (wait_for_input): Removed restriction to input-ports.
+
+	* record.c (recprin1): Don't print field values unless
+	SCM_SHOW_RECORD_FIELDS; allows suffix-trees to print.
+
+2008-05-13  Radey Shouman  <shouman@comcast.net>
+
+	* scm.c (ignore_signals): Added volatile assignment to
+	prevent scmable_signal function from being optimized
+	away - relevant only to windows builds.
+
+2008-03-11  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (istr2flo): +/, +/0, and 234/ are no longer numbers.
+
+	* sys.c (scm_portp): Added SLIB prerequisite.
+
+2008-02-25  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* inc2scm, xgen.scm: Changed first line to invoke ./scmlit.
+
+2008-02-19  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* continue.h (STACK_GROWS_UP): if __hppa__.
+
+	* scm.texi (Automatic C Preprocessor Definitions): Added __hppa__
+
+2008-02-18  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* mkimpcat.scm (add-source): Look for file with scheme-suffix.
+
+	* Makefile (xevent.h xevent.scm xatoms.scm):
+	(x11.scm, keysymdef.scm): Don't source include files from DESTDIR.
+
+2008-02-14  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* build.scm (compile-dll-c-files, compile-c-files): Added missing
+	'(include-spec "-I" parms)'.
+
+2008-02-13  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Makefile (lsdfiles): Removed duplicate "Iedline.scm".
+
+2008-02-10  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Makefile (texifiles): Moved definition before use.
+
+	* build.scm (compile-dll-c-files, make-dll-archive):
+	MACOSX_DEPLOYMENT_TARGET=10.3
+
+	* Makefile (all): Don't make db.so.
+	(lsdfiles): Removed WB files.
+	(afiles): Removed $(wbfiles).
+
 2008-02-01  Aubrey Jaffer  <jaffer@aubrey.jaffer>
 
 	* patchlvl.h (SCMVERSION): Bumped from 5e4 to 5e5.