On Fri, Jun 3, 2011 at 9:47 PM, eric <fsshl@xxxxxxx> wrote: > Dear Steve Oualline: > Âthe book (Practical C++ Programming), AppendixD > computing sine using a power series > the program you listed on page 525, Example D-2 sin/sine.cpp > I tested on my linux/gnu-g++ > ---------------- > eric@eric-laptop:~/practicalCpp/sin$ ./sine 3.141 > x**1   3.141E+00 > 1!    1.000E+00 > x**1/1! 3.141E+00 > Âtotal  3.141E+00 > > x**3   3.099E+01 > 3!    6.000E+00 > x**3/3! 5.165E+00 > *** stack smashing detected ***: ./sine terminated > ======= Backtrace: ========= > /lib/tls/i686/cmov/libc.so.6(__fortify_fail+0x50)[0x3d8390] > /lib/tls/i686/cmov/libc.so.6(+0xe233a)[0x3d833a] > ./sine[0x8048e11] > ./sine[0x8048bb5] > /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6)[0x30cbd6] > ./sine[0x80488b1] > ======= Memory map: ======== > 00110000-00134000 r-xp 00000000 08:01 > 8913271  Â/lib/tls/i686/cmov/libm-2.11.1.so > 00134000-00135000 r--p 00023000 08:01 > 8913271  Â/lib/tls/i686/cmov/libm-2.11.1.so > 00135000-00136000 rw-p 00024000 08:01 > 8913271  Â/lib/tls/i686/cmov/libm-2.11.1.so > 0025b000-00276000 r-xp 00000000 08:01 8913086  Â/lib/ld-2.11.1.so > 00276000-00277000 r--p 0001a000 08:01 8913086  Â/lib/ld-2.11.1.so > 00277000-00278000 rw-p 0001b000 08:01 8913086  Â/lib/ld-2.11.1.so > 002d7000-002f4000 r-xp 00000000 08:01 8912979  Â/lib/libgcc_s.so.1 > 002f4000-002f5000 r--p 0001c000 08:01 8912979  Â/lib/libgcc_s.so.1 > 002f5000-002f6000 rw-p 0001d000 08:01 8912979  Â/lib/libgcc_s.so.1 > 002f6000-00449000 r-xp 00000000 08:01 > 8913215  Â/lib/tls/i686/cmov/libc-2.11.1.so > 00449000-0044a000 ---p 00153000 08:01 > 8913215  Â/lib/tls/i686/cmov/libc-2.11.1.so > 0044a000-0044c000 r--p 00153000 08:01 > 8913215  Â/lib/tls/i686/cmov/libc-2.11.1.so > 0044c000-0044d000 rw-p 00155000 08:01 > 8913215  Â/lib/tls/i686/cmov/libc-2.11.1.so > 0044d000-00450000 rw-p 00000000 00:00 0 > 00988000-00989000 r-xp 00000000 00:00 0     Â[vdso] > 0099a000-00a83000 r-xp 00000000 08:01 12062387  /usr/lib/libstdc > ++.so.6.0.13 > 00a83000-00a84000 ---p 000e9000 08:01 12062387  /usr/lib/libstdc > ++.so.6.0.13 > 00a84000-00a88000 r--p 000e9000 08:01 12062387  /usr/lib/libstdc > ++.so.6.0.13 > 00a88000-00a89000 rw-p 000ed000 08:01 12062387  /usr/lib/libstdc > ++.so.6.0.13 > 00a89000-00a90000 rw-p 00000000 00:00 0 > 08048000-0804a000 r-xp 00000000 08:01 > 5507048  Â/home/eric/practicalCpp/sin/sine > 0804a000-0804b000 r--p 00001000 08:01 > 5507048  Â/home/eric/practicalCpp/sin/sine > 0804b000-0804c000 rw-p 00002000 08:01 > 5507048  Â/home/eric/practicalCpp/sin/sine > 08b07000-08b28000 rw-p 00000000 00:00 0     Â[heap] > b78bf000-b78c1000 rw-p 00000000 00:00 0 > b78d5000-b78d8000 rw-p 00000000 00:00 0 > bfc8f000-bfca4000 rw-p 00000000 00:00 0     Â[stack] > Aborted > eric@eric-laptop:~/practicalCpp/sin$ > ------------------------------------------- > that certainly is not what your book predict on page 523 > plz help, Eric, US citizen > > Eric, Some of us don't have the book you reference, but if you post the code, you might get more help. -Bryan