Re: memory leak in regression

[Jason Stover]

Fixed, unless I introduced another mistake changing
linreg_cache.coeff to a **. It tested okay, anyway.

-Jason

On Tue, May 09, 2006 at 09:06:35PM -0700, Ben Pfaff wrote:
> valgrind reports a small memory leak in the regression routines:
> 
> ==29398== 
> ==29398== 16 bytes in 2 blocks are definitely lost in loss record 2 of 7
> ==29398==    at 0x401C422: malloc (vg_replace_malloc.c:149)
> ==29398==    by 0x80E62B6: xnmalloc (xmalloc.c:49)
> ==29398==    by 0x80C1FF1: pspp_linreg_coeff_init (coefficient.c:73)
> ==29398==    by 0x8091F90: run_regression (regression.q:1206)
> ==29398==    by 0x80D2F05: multipass_split_output (procedure.c:640)
> ==29398==    by 0x80D2F64: multipass_split_end_func (procedure.c:631)
> ==29398==    by 0x80D3A3D: internal_procedure (procedure.c:229)
> ==29398==    by 0x80D3D82: multipass_procedure_with_splits (procedure.c:594)
> ==29398==    by 0x80915ED: cmd_regression (regression.q:934)
> ==29398==    by 0x804FA32: cmd_parse (command.c:186)
> ==29398==    by 0x804D697: main (main.c:137)
> ==29398== 
> ==29398== 
> ==29398== 132 (60 direct, 72 indirect) bytes in 3 blocks are definitely lost 
> in loss record 5 of 7
> ==29398==    at 0x401C422: malloc (vg_replace_malloc.c:149)
> ==29398==    by 0x41E1C60: gsl_vector_alloc (in /usr/lib/libgsl.so.0.7.0)
> ==29398==    by 0x80C25B7: pspp_linreg_cache_alloc (linreg.c:150)
> ==29398==    by 0x8091E0E: run_regression (regression.q:1147)
> ==29398==    by 0x80D2F05: multipass_split_output (procedure.c:640)
> ==29398==    by 0x80D2F64: multipass_split_end_func (procedure.c:631)
> ==29398==    by 0x80D3A3D: internal_procedure (procedure.c:229)
> ==29398==    by 0x80D3D82: multipass_procedure_with_splits (procedure.c:594)
> ==29398==    by 0x80915ED: cmd_regression (regression.q:934)
> ==29398==    by 0x804FA32: cmd_parse (command.c:186)
> ==29398==    by 0x804D697: main (main.c:137)
> PASS: tests/command/regression.sh
> 
> -- 
> Ben Pfaff 
> email: address@hidden
> web: http://benpfaff.org
> 
> 
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-- 
Jason Stover
Assistant Professor
Mathematics Department
Georgia Kung Fu & State University
"Georgia's public martial arts university"
On the web at www.gksu.edu