From octave-maintainers-request at bevo dot che dot wisc dot edu Tue Nov 24 17:09:24 1998 Subject: Unidentified subject! From: john To: john at arrows dot demon dot co dot uk, octave-maintainers@bevo.che.wisc.edu Date: Tue, 24 Nov 1998 23:09:09 GMT To: octave-maintainers at bevo dot che dot wisc dot edu Cc: john at arrows dot demon dot co dot uk Subject: airy(real) should return a real Bug report for Octave 2.0.13.93 configured for i586-pc-linux-gnulibc1 Description: ----------- airy([0123], real ) should return an exact real airy([0123], positive-real,1) should return an exact real Repeat-By: --------- octave:1> format long octave:2> airy(-5) ans = 3.50761009024113e-01 - 7.21326062346773e-16i octave:3> or octave:5> gplot ([linspace(-10,1) ; airy(linspace(-10,1))]') Warning: empty x range [0:0], adjusting to [-1:1] Warning: empty y range [0:0], adjusting to [-1:1] Fix: --- a cryptic line like if (zi==0.0 && ( !scaled || zr > 0.0 )) ai = 0.0 in subroutines airy and biry in lo-specfun.cc p.s. thanks for pointing and helping me towards this test release. It seems pedantic to complain, but better now than later... Configuration (please do not edit this section): ----------------------------------------------- uname output: Linux arrows 2.0.0 #1 Mon Jun 10 21:11:56 CDT 1996 i586 configure opts: Fortran compiler: g77 FFLAGS: -O F2C: F2CFLAGS: FLIBS: -lf2c -lm -L/usr/lib/gcc-lib/i486-linux/2.7.2 -L/usr/i486-linux/lib -lm CPPFLAGS: INCFLAGS: -I/usr/local/include -I/usr/local/include/octave-2.0.13.93 C compiler: gcc, version 2.7.2 CFLAGS: -DHAVE_CONFIG_H -mieee-fp -g -O2 -Wall CPICFLAG: -fPIC C++ compiler: c++, version 2.7.2 CXXFLAGS: -DHAVE_CONFIG_H -mieee-fp -fno-rtti -fno-implicit-templates -g -O2 -Wall CXXPICFLAG: -fPIC LDFLAGS: -g LIBFLAGS: -L/usr/local/lib/octave-2.0.13.93 RLD_FLAG: -Xlinker -rpath -Xlinker /usr/local/lib/octave-2.0.13.93 TERMLIBS: -lncurses LIBS: LEXLIB: LIBPLPLOT: LIBDLFCN: DEFS: -DOCTAVE_SOURCE=1 -DSEPCHAR=':' -DSEPCHAR_STR=":" -DUSE_READLINE=1 -D__NO_MATH_INLINES=1 -DF77_APPEND_UNDERSCORE=1 -DSIZEOF_SHORT=2 -DSIZEOF_INT=4 -DSIZEOF_LONG=4 -DHAVE_ALLOCA_H=1 -DHAVE_ALLOCA=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_DLFCN_H=1 -DHAVE_FCNTL_H=1 -DHAVE_FLOAT_H=1 -DHAVE_FNMATCH_H=1 -DHAVE_GLOB_H=1 -DHAVE_GRP_H=1 -DHAVE_LIMITS_H=1 -DHAVE_MEMORY_H=1 -DHAVE_NAN_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 -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_GETTIMEOFDAY=1 -DHAVE_GETUID=1 -DHAVE_GETWD=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_USLEEP=1 -DHAVE_VFPRINTF=1 -DHAVE_VSPRINTF=1 -DHAVE_WAITPID=1 -DHAVE_PROGRAM_INVOCATION_NAME=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 -DHAVE_GR_PASSWD=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 = "emacs" EXEC_PATH = ":/usr/local/bin:/egcs/bin:/bin:/usr/bin:/usr/X11/bin:/usr/openwin/bin:/usr/TeX/bin:/usr/net/bin:/usr/games/bin:/usr/postgres/bin:/home/john/mach4/bin:.:/home/john/brlcad/linux/usr/brlcad/bin" IMAGEPATH = ".:/usr/local/share/octave/2.0.13.93/imagelib//" INFO_FILE = "/usr/local/info/octave.info" INFO_PROGRAM = "info" LOADPATH = ":" PAGER = "less -e" PS1 = "\\s:\\#> " PS2 = "> " PS4 = "+ " auto_unload_dot_oct_files = 0 automatic_replot = 0 beep_on_error = 0 completion_append_char = " " default_eval_print_flag = 1 # default_global_variable_value = default_return_value = [] default_save_format = "ascii" define_all_return_values = 0 do_fortran_indexing = 0 echo_executing_commands = 0 empty_list_elements_ok = "warn" fixed_point_format = 0 gnuplot_binary = "gnuplot" gnuplot_has_frames = 1 gnuplot_has_multiplot = 1 history_file = "/home/john/.octave_hist" history_size = 1024 ignore_function_time_stamp = "system" implicit_num_to_str_ok = 0 implicit_str_to_num_ok = 0 initialize_global_variables = 0 max_recursion_depth = 256 ok_to_lose_imaginary_part = "warn" output_max_field_width = 10 output_precision = 5 page_output_immediately = 0 page_screen_output = 1 prefer_column_vectors = 1 prefer_zero_one_indexing = 0 print_answer_id_name = 1 print_empty_dimensions = 1 propagate_empty_matrices = 1 resize_on_range_error = 1 return_last_computed_value = 0 save_precision = 15 saving_history = 1 silent_functions = 0 split_long_rows = 1 string_fill_char = " " struct_levels_to_print = 2 suppress_verbose_help_message = 0 treat_neg_dim_as_zero = 0 warn_assign_as_truth_value = 1 warn_comma_in_global_decl = 1 warn_divide_by_zero = 1 warn_function_name_clash = 1 warn_missing_semicolon = 0 warn_reload_forces_clear = 1 warn_variable_switch_label = 0 whitespace_in_literal_matrix =