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Error message does not make any sense
From: |
Andreas Weingessel |
Subject: |
Error message does not make any sense |
Date: |
Tue, 12 Nov 1996 11:27:31 +0100 |
To: address@hidden
Subject: Error message
Bug report for Octave 1.91 configured for i586-unknown-linux
Description:
-----------
When using a vector or matrix index which is NaN, octave gives an
error message like
error: invalid vector index = -2147483648
error: evaluating index expression near line 11, column 1
So, if for example the following lines are part of an m-File
[dis pos]=min(a);
c=b(pos);
and the vector grows for some reason out of bounds, the program
terminates with the above error message which does not give any clue
what has been the real reason for the error.
Repeat-By:
---------
octave:7> a=rand(1,5)
a =
0.20286 0.69216 0.29748 0.33870 0.10974
octave:8> b=rand(1,5)
b =
0.40447 0.48739 0.92516 0.45729 0.87664
octave:9> a(1)=NaN
a =
NaN 0.69216 0.29748 0.33870 0.10974
octave:10> [dis pos]=min(a)
dis = NaN
pos = NaN
octave:11> b(pos)
error: invalid vector index = -2147483648
error: evaluating index expression near line 11, column 1
Configuration (please do not edit this section):
-----------------------------------------------
uname output: Linux elendil 2.0.13 #1 Wed Aug 28 14:31:14 MET DST 1996 i586
configure opts: --datadir=/usr/local/lib --libexecdir=/usr/local/lib
--enable-shared
Fortran compiler: g77
FFLAGS: -O
F2C:
F2CFLAGS:
FLIBS: -lf2c -L/usr/lib/gcc-lib/i486-linux/2.7.2 -lgcc
CPPFLAGS:
INCFLAGS: -I/usr/local/include -I/usr/local/include/octave-1.91
C compiler: gcc, version 2.7.2
CFLAGS: -DHAVE_CONFIG_H -mieee-fp -O
CPICFLAG: -fPIC
C++ compiler: c++, version 2.7.2
CXXFLAGS: -DHAVE_CONFIG_H -fno-implicit-templates -mieee-fp -O
CXXPICFLAG: -fPIC
LDFLAGS: -s
LIBFLAGS: -L/usr/local/lib
RLD_FLAG:
CXXLIBS: -lstdc++ -lm -L/usr/lib/gcc-lib/i486-linux/2.7.2 -lstdc++ -lm
-lgcc -lc -lgcc
TERMLIBS: -lncurses
LIBS:
LEXLIB:
LIBPLPLOT:
LIBDLFCN:
DEFS:
-DOCTAVE_SOURCE=1 -DSEPCHAR=':' -DSEPCHAR_STR=":" -DUSE_GNU_INFO=1
-DUSE_READLINE=1 -DSIZEOF_SHORT=2 -DSIZEOF_INT=4 -DSIZEOF_LONG=4
-DHAVE_ALLOCA_H=1 -DHAVE_ALLOCA=1 -DF77_APPEND_UNDERSCORE=1
-DSTDC_HEADERS=1 -DHAVE_DIRENT_H=1 -DTIME_WITH_SYS_TIME=1
-DHAVE_SYS_WAIT_H=1 -DHAVE_ASSERT_H=1 -DHAVE_CURSES_H=1
-DHAVE_FCNTL_H=1 -DHAVE_FLOAT_H=1 -DHAVE_GRP_H=1 -DHAVE_LIMITS_H=1
-DHAVE_MEMORY_H=1 -DHAVE_PWD_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1
-DHAVE_SYS_PARAM_H=1 -DHAVE_SYS_RESOURCE_H=1 -DHAVE_SYS_STAT_H=1
-DHAVE_SYS_TIME_H=1 -DHAVE_SYS_TIMES_H=1 -DHAVE_SYS_TYPES_H=1
-DHAVE_SYS_UTSNAME_H=1 -DHAVE_TERMCAP_H=1 -DHAVE_TERMIO_H=1
-DHAVE_TERMIOS_H=1 -DHAVE_UNISTD_H=1 -DHAVE_VARARGS_H=1 -DNPSOL_MISSING=1
-DQPSOL_MISSING=1 -DFSQP_MISSING=1 -DHAVE_ATEXIT=1 -DHAVE_BCOPY=1
-DHAVE_BZERO=1 -DHAVE_DUP2=1 -DHAVE_ENDGRENT=1 -DHAVE_ENDPWENT=1
-DHAVE_EXECVP=1 -DHAVE_FCNTL=1 -DHAVE_FORK=1 -DHAVE_GETCWD=1
-DHAVE_GETEGID=1 -DHAVE_GETEUID=1 -DHAVE_GETGID=1 -DHAVE_GETGRENT=1
-DHAVE_GETGRGID=1 -DHAVE_GETGRNAM=1 -DHAVE_GETHOSTNAME=1 -DHAVE_GETPGRP=1
-DHAVE_GETPID=1 -DHAVE_GETPPID=1 -DHAVE_GETPWENT=1 -DHAVE_GETPWNAM=1
-DHAVE_GETPWUID=1 -DHAVE_GETUID=1 -DHAVE_LSTAT=1 -DHAVE_MEMMOVE=1
-DHAVE_MKDIR=1 -DHAVE_MKFIFO=1 -DHAVE_ON_EXIT=1 -DHAVE_PIPE=1
-DHAVE_PUTENV=1 -DHAVE_RENAME=1 -DHAVE_RINDEX=1 -DHAVE_RMDIR=1
-DHAVE_SETGRENT=1 -DHAVE_SETPWENT=1 -DHAVE_SETVBUF=1 -DHAVE_SIGACTION=1
-DHAVE_SIGPENDING=1 -DHAVE_SIGPROCMASK=1 -DHAVE_SIGSUSPEND=1 -DHAVE_STAT=1
-DHAVE_STRCASECMP=1 -DHAVE_STRDUP=1 -DHAVE_STRERROR=1 -DHAVE_STRNCASECMP=1
-DHAVE_TEMPNAM=1 -DHAVE_UMASK=1 -DHAVE_UNLINK=1 -DHAVE_VFPRINTF=1
-DHAVE_VSPRINTF=1 -DHAVE_WAITPID=1 -DHAVE_LIBDL=1 -DHAVE_DLOPEN=1
-DHAVE_DLSYM=1 -DHAVE_DLERROR=1 -DHAVE_DLCLOSE=1 -DWITH_DL=1
-DWITH_DYNAMIC_LINKING=1 -DHAVE_LIBM=1 -DHAVE_FINITE=1 -DHAVE_ISNAN=1
-DHAVE_ISINF=1 -DHAVE_ACOSH=1 -DHAVE_ASINH=1 -DHAVE_ATANH=1 -DHAVE_ERF=1
-DHAVE_ERFC=1 -DHAVE_ST_BLKSIZE=1 -DHAVE_ST_BLOCKS=1 -DHAVE_ST_RDEV=1
-DHAVE_TZNAME=1 -DRETSIGTYPE=void -DSYS_SIGLIST_DECLARED=1
-DHAVE_SYS_SIGLIST=1 -DHAVE_POSIX_SIGNALS=1 -DHAVE_GETRUSAGE=1
-DHAVE_TIMES=1 -DGNUPLOT_HAS_MULTIPLOT=1 -DGNUPLOT_HAS_FRAMES=1
User-preferences (please do not edit this section):
--------------------------------------------------
EDITOR = "vi"
IMAGEPATH = ".:/usr/local/lib/octave/1.91/imagelib//"
INFO_FILE = "/usr/local/info/octave.info"
LOADPATH =
".:~/lib/octave/m//:~/Work/octave/m//.:/usr/local/lib/octave/site/oct/i586-unknown-linux//:/usr/local/lib/octave/site/m//:/usr/local/lib/octave/1.91/oct/i586-unknown-linux//:/usr/local/lib/octave/1.91/m//"
OCTAVE_VERSION = "1.91"
PAGER = "less"
PS1 = "\\s:\\#> "
PS2 = "> "
automatic_replot = 0
whitespace_in_literal_matrix = 0
default_save_format = "mat-binary"
do_fortran_indexing = 1
empty_list_elements_ok = 1
eps = 2.22045e-16
gnuplot_binary = "gnuplot"
ignore_function_time_stamp = "system"
implicit_str_to_num_ok = 1
ok_to_lose_imaginary_part = 1
output_max_field_width = 10
output_precision = 5
page_screen_output = 1
prefer_column_vectors = 0
prefer_zero_one_indexing = 1
print_answer_id_name = 1
print_empty_dimensions = 0
propagate_empty_matrices = 1
resize_on_range_error = 1
return_last_computed_value = 0
save_precision = 4
silent_functions = 0
split_long_rows = 1
treat_neg_dim_as_zero = 1
warn_assign_as_truth_value = 1
warn_comma_in_global_decl = 1
warn_divide_by_zero = 1
- Error message does not make any sense,
Andreas Weingessel <=