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 30387-12623f1693) Lines: 1300 1889 68.8 %
Date: 2025-07-10 09:22:50 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 11276
_precision0 1246
bincopy_relink 0
bitprecision0 42
bitprecision00 718
break0 70358
change_compo 9701419
changelex 161846617
changevalue 29489796
check_array_index 106154134
checkprec 11183
checkvalue 123300224
checkvalueptr 23308355
closure_callgen0 7
closure_callgen0prec 168
closure_callgen1 9648786
closure_callgen1prec 76681
closure_callgen2 67073
closure_callgenall 12
closure_callgenvec 4657988
closure_callgenvecdef 336
closure_callgenvecdefprec 336
closure_callgenvecprec 0
closure_callvoid1 0
closure_castgen 92918445
closure_castlong 5873
closure_context 91
closure_disassemble 0
closure_err 12916
closure_eval 320638078
closure_evalbrk 175
closure_evalgen 34050586
closure_evalnobrk 76016492
closure_evalres 934846
closure_evalvoid 159726845
closure_func_err 13620
closure_relink 0
closure_return 50830600
closure_returnupto 14450810
closure_unlink 0
closure_varn 1139177
copybin_unlink 12
copylex 9790697
copyupto 42242358
copyvalue 746851
disassemble_cast 0
err_var 0
evalstate_clone 0
evalstate_get_trace 990342
evalstate_reset 445
evalstate_restore 56325
evalstate_restore_err 43250
evalstate_save 1429732
evalstate_set_trace 18
freeep 36049
freelex 184301696
gen_relink 0
gen_unlink 16
get_and_reset_break 41659
get_arg_name 21
get_lex 106261992
get_localbitprec 22282698
get_localprec 21912430
get_next_label 245
getlocalbitprec 3346
getlocalprec 14
gp_call 112274
gp_call2 91
gp_callbool 872130
gp_callprec 23478
gp_callvoid 0
gp_eval 39688472
gp_evalbool 26165055
gp_evalprec 20804
gp_evalupto 2052391
gp_evalvoid 3693816
gp_evalvoid2 8447
hash_from_link 0
localbitprec 3345
localprec 7847
loop_break 153211906
lvar_make_safe 0
negcmp 0
new_ptr 58684529
new_val_cell 19174
next0 25853
opcode_need_relink 0
pareval 6
pareval_worker 12
parfor 346
parfor0 346
parfor_init 0
parfor_next 0
parfor_stop 0
parfor_worker 9615
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 338516
pari_init_evaluator 343134
pari_self 41
parsum 2062
parsum_slice_worker 7506
parvector 31
parvector_worker 637
pop_lex 5603498
pop_localprec 99060
pop_val 18726
pop_val_if_newer 421780
precision0 42
precision00 1288
ptr_proplock 9906323
push_lex 5770857
push_localbitprec 451500
push_localprec 99109
pushlex 63477967
pushvalue 42
reset_break 98429
restore_trace 5659823
restore_vars 320655983
return0 40891
safeel 0
safegcoeff 0
safegel 0
safelistel 0
set_lex 83219743
setreflex 504
st_alloc 3008084707
trace_push 326164496
zerovalue 14

Generated by: LCOV version 1.16