Dear Steve Oualline: the 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 total 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 /lib/tls/i686/cmov/libm-2.11.1.so 00134000-00135000 r--p 00023000 08:01 8913271 /lib/tls/i686/cmov/libm-2.11.1.so 00135000-00136000 rw-p 00024000 08:01 8913271 /lib/tls/i686/cmov/libm-2.11.1.so 0025b000-00276000 r-xp 00000000 08:01 8913086 /lib/ld-2.11.1.so 00276000-00277000 r--p 0001a000 08:01 8913086 /lib/ld-2.11.1.so 00277000-00278000 rw-p 0001b000 08:01 8913086 /lib/ld-2.11.1.so 002d7000-002f4000 r-xp 00000000 08:01 8912979 /lib/libgcc_s.so.1 002f4000-002f5000 r--p 0001c000 08:01 8912979 /lib/libgcc_s.so.1 002f5000-002f6000 rw-p 0001d000 08:01 8912979 /lib/libgcc_s.so.1 002f6000-00449000 r-xp 00000000 08:01 8913215 /lib/tls/i686/cmov/libc-2.11.1.so 00449000-0044a000 ---p 00153000 08:01 8913215 /lib/tls/i686/cmov/libc-2.11.1.so 0044a000-0044c000 r--p 00153000 08:01 8913215 /lib/tls/i686/cmov/libc-2.11.1.so 0044c000-0044d000 rw-p 00155000 08:01 8913215 /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 [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 /home/eric/practicalCpp/sin/sine 0804a000-0804b000 r--p 00001000 08:01 5507048 /home/eric/practicalCpp/sin/sine 0804b000-0804c000 rw-p 00002000 08:01 5507048 /home/eric/practicalCpp/sin/sine 08b07000-08b28000 rw-p 00000000 00:00 0 [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 [stack] Aborted eric@eric-laptop:~/practicalCpp/sin$ ------------------------------------------- that certainly is not what your book predict on page 523 plz help, Eric, US citizen
