Code coverage tests

This page documents the degree to which the PARI/GP source code is tested by our public test suite, distributed with the source distribution in directory src/test/. This is measured by the gcov utility; we then process gcov output using the lcov frond-end.

We test a few variants depending on Configure flags on the pari.math.u-bordeaux.fr machine (x86_64 architecture), and agregate them in the final report:

The target is to exceed 90% coverage for all mathematical modules (given that branches depending on DEBUGLEVEL or DEBUGMEM are not covered). This script is run to produce the results below.

LCOV - code coverage report
Current view: top level - language - eval.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30556-bb9f5f8fc8) Lines: 1303 1892 68.9 %
Date: 2025-11-25 09:20:50 Functions: 116 154 75.3 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
_bitprecision0 676
_prec 11290
_precision0 1246
bincopy_relink 0
bitprecision0 42
bitprecision00 718
break0 70358
change_compo 9700859
changelex 162348360
changevalue 29490035
check_array_index 107084155
checkprec 11197
checkvalue 123782231
checkvalueptr 23308355
closure_callgen0 7
closure_callgen0prec 168
closure_callgen1 9581788
closure_callgen1prec 76681
closure_callgen2 67073
closure_callgenall 12
closure_callgenvec 4573254
closure_callgenvecdef 336
closure_callgenvecdefprec 336
closure_callgenvecprec 0
closure_callvoid1 0
closure_castgen 93841535
closure_castlong 5593
closure_context 91
closure_disassemble 0
closure_err 13076
closure_eval 321170845
closure_evalbrk 175
closure_evalgen 34051770
closure_evalnobrk 76102053
closure_evalres 935581
closure_evalvoid 160308572
closure_func_err 13794
closure_relink 0
closure_return 50695344
closure_returnupto 14299069
closure_unlink 0
closure_varn 1139156
copybin_unlink 12
copylex 9792279
copyupto 74860400
copyvalue 746851
disassemble_cast 0
err_var 0
evalstate_clone 0
evalstate_get_trace 935232
evalstate_reset 452
evalstate_restore 56450
evalstate_restore_err 43215
evalstate_save 1430076
evalstate_set_trace 18
freeep 36168
freelex 184440501
gen_relink 0
gen_unlink 16
get_and_reset_break 41533
get_arg_name 21
get_lex 105996395
get_localbitprec 22757683
get_localprec 22379582
get_next_label 392
getlocalbitprec 3416
getlocalprec 14
gp_call 112134
gp_call2 91
gp_callbool 872130
gp_callprec 23478
gp_callvoid 0
gp_eval 39759746
gp_evalbool 26165055
gp_evalprec 20734
gp_evalupto 2121810
gp_evalvoid 4146625
gp_evalvoid2 8423
hash_from_link 0
localbitprec 3359
localprec 7847
loop_break 153420381
lvar_make_safe 0
negcmp 0
new_ptr 58685103
new_val_cell 19405
next0 25839
opcode_need_relink 0
pareval 6
pareval_worker 12
parfor 346
parfor0 346
parfor_init 0
parfor_next 0
parfor_stop 0
parfor_worker 9559
parforeach 7
parforeach0 7
parforeach_init 0
parforeach_next 0
parforeach_stop 0
parforiter_init 0
parforiter_next 0
parforiter_stop 0
parforprime 13
parforprime0 13
parforprime_init 0
parforprime_next 0
parforprime_stop 0
parforprimestep 20
parforprimestep0 7
parforprimestep_init 0
parforstep 39
parforstep0 39
parforstep_init 0
parforstep_next 0
parforstep_stop 0
parforvec 39
parforvec0 39
parforvec_init 0
parforvec_next 0
parforvec_stop 0
pari_close_evaluator 346206
pari_init_evaluator 350718
pari_self 41
parsum 2062
parsum_slice_worker 7528
parvector 31
parvector_worker 632
pop_lex 5610772
pop_localprec 98990
pop_val 18803
pop_val_if_newer 427622
precision0 42
precision00 1288
ptr_proplock 9905763
push_lex 5778114
push_localbitprec 459012
push_localprec 99039
pushlex 63503645
pushvalue 42
reset_break 98435
restore_trace 5667222
restore_vars 321241148
return0 40765
safeel 0
safegcoeff 0
safegel 0
safelistel 0
set_lex 83751547
setreflex 504
st_alloc 3098097616
trace_push 326707612
zerovalue 14

Generated by: LCOV version 1.16