Segfaults with errors related to fvec

[wickedchicken]

Valgrind dump:

==26023== Mismatched free() / delete / delete []
==26023==    at 0x4C27FFF: operator delete(void*) (vg_replace_malloc.c:387)
==26023==    by 0x41B48E: fvec::~fvec() (fvec.cpp:43)
==26023==    by 0x416C33: Flux::process(fvec&, fvec&) (Flux.cpp:70)
==26023==    by 0x413FD3: displayFunc() (sndpeek.cpp:1545)
==26023==    by 0x4E4F21F: ??? (in /usr/lib/libglut.so.3.9.0)
==26023==    by 0x4E52938: fgEnumWindows (in /usr/lib/libglut.so.3.9.0)
==26023==    by 0x4E4F659: glutMainLoopEvent (in /usr/lib/libglut.so.3.9.0)
==26023==    by 0x4E4FF0D: glutMainLoop (in /usr/lib/libglut.so.3.9.0)
==26023==    by 0x410C21: main (sndpeek.cpp:566)
==26023==  Address 0xc270dc0 is 0 bytes inside a block of size 2,048 alloc'd
==26023==    at 0x4C28658: operator new[](unsigned long) (vg_replace_malloc.c:305)
==26023==    by 0x41BA43: fvec::create(unsigned long) (fvec.cpp:155)
==26023==    by 0x41C03B: fvec::minus(fvec const&, fvec const&) (fvec.cpp:290)
==26023==    by 0x416C10: Flux::process(fvec&, fvec&) (Flux.cpp:70)
==26023==    by 0x413FD3: displayFunc() (sndpeek.cpp:1545)
==26023==    by 0x4E4F21F: ??? (in /usr/lib/libglut.so.3.9.0)
==26023==    by 0x4E52938: fgEnumWindows (in /usr/lib/libglut.so.3.9.0)
==26023==    by 0x4E4F659: glutMainLoopEvent (in /usr/lib/libglut.so.3.9.0)
==26023==    by 0x4E4FF0D: glutMainLoop (in /usr/lib/libglut.so.3.9.0)
==26023==    by 0x410C21: main (sndpeek.cpp:566)
==26023==
==26023== Conditional jump or move depends on uninitialised value(s)
==26023==    at 0x41B75E: fvec::mean() (fvec.cpp:98)
==26023==    by 0x414195: displayFunc() (sndpeek.cpp:1562)
==26023==    by 0x4E4F21F: ??? (in /usr/lib/libglut.so.3.9.0)
==26023==    by 0x4E52938: fgEnumWindows (in /usr/lib/libglut.so.3.9.0)
==26023==    by 0x4E4F659: glutMainLoopEvent (in /usr/lib/libglut.so.3.9.0)
==26023==    by 0x4E4FF0D: glutMainLoop (in /usr/lib/libglut.so.3.9.0)
==26023==    by 0x410C21: main (sndpeek.cpp:566)
==26023==