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 - init.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30401-87099e65a6) Lines: 1139 1488 76.5 %
Date: 2025-07-18 09:23:12 Functions: 134 162 82.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
bl_rotleft 61237364
bl_rotright 58558846
blockbalance 2774270295
blockdelete 1540698098
blockheight 11535068277
blockinsert 1680271491
cgetg_copy_avma 1029852775
cgetlist_avma 620
chk_gc_upto 0
clone_lock 385348688
clone_unlock 326119897
clone_unlock_deep 59316284
clonesearch 770429790
copy_bin 496317743
copy_bin_canon 16
dbg_fill_stack 0
dbg_gc_upto 0
dbg_stack 0
debug_stack 0
dflt_err_recover 0
dflt_pari_quit 0
dflt_sigint_fun 0
dochk_gc_upto 0
err_init 13781
err_init_msg 13641
err_recover 13000
errname 27109
export_add 59
export_del 24
export_get 1500
exportall 6
f_getheap 6664
fix_height 2993317725
fix_size 687260
gc_all_unsafe 27974572
gc_dec 6046353424
gc_slice_unsafe 328294919
gc_stack_update 1252472531
gclone 232760254
gclone_refc 0
gcloneref 37881
gcopy 4737335434
gcopy_av0 3995882657
gcopy_av0_canon 32
gcopy_avma 3281942657
gcopy_lg 742
gdisplay 3689
gerepile 0
getabstime 1912
getdebugvar 341297
getheap 84
getstack 7
gettime 3718
getwalltime 8
gp_context_restore 13075
gp_context_save 144376
gsizebyte 175
gsizeclone 232760037
gsizeclone_i 3370235580
gsizeword 2214450
gunclone 383759837
gunclone_deep 3252788037
icopy_avma_canon 12
init_universal_constants 1900
is_in_block 232997777
list_internal_copy 7019
listassign 7019
listcopy 730
listinit 0
msgtimer 0
name_numerr 0
new_chunk_resize 14
newblock 233544603
numerr_name 27109
obj_check 4665436
obj_checkbuild 1051524
obj_checkbuild_padicprec 539
obj_checkbuild_prec 568211
obj_checkbuild_realprec 398834
obj_free 186907
obj_init 1623741
obj_insert 1750089
obj_insert_shallow 173180
obj_reinit 42
os_signal 20840
pari_add_defaults_module 1900
pari_add_module 1890
pari_close 1890
pari_close_blocks 337631
pari_close_export 1890
pari_close_opts 1890
pari_daemon 76
pari_err 56772
pari_err2GEN 56760
pari_err2str 21806
pari_err_display 13021
pari_err_last 87496
pari_exit 0
pari_handle_SIGINT 0
pari_init 0
pari_init_blocks 343190
pari_init_defaults 1900
pari_init_errcatch 343633
pari_init_export 1900
pari_init_functions 1900
pari_init_opts 1900
pari_init_timer 1900
pari_mainstack_alloc 343635
pari_mainstack_free 343625
pari_mainstack_malloc 343635
pari_mainstack_mextend 463800
pari_mainstack_mfree 343625
pari_mainstack_mreset 463800
pari_mainstack_resize 438
pari_mainstack_setsize 463800
pari_mainstack_use 343191
pari_sig_init 3790
pari_sighandler 0
pari_sigint 0
pari_stackcheck_init 345091
pari_thread_alloc 341297
pari_thread_close 342228
pari_thread_free 341297
pari_thread_get_global 341297
pari_thread_init 343192
pari_thread_set_global 341251
pari_thread_start 341291
pari_thread_valloc 0
pari_version 7
pari_warn 760
paristack_alloc 1900
paristack_newrsize 445
paristack_resize 0
paristack_setsize 0
parivstack_reset 120165
parivstack_resize 0
pop_entree_block 387555
rndus 219102
setalldebug 1928
setdebug 127
setdebugvar 341249
shiftaddress 3099278656
shiftaddress_canon 24
taille0 3995842786
taille0_canon 32
timer 0
timer2 0
timer_aux 219094
timer_delay 110447
timer_get 1918
timer_printf 0
timer_start 355650
timer_vprintf 0
timetoi 8
traverseheap 84
traverseheap_r 13412
type_dim 7308
unexportall 6
vec_gunclone_deep 128357955
walltimer_delay 106729
walltimer_get 0
walltimer_start 250451

Generated by: LCOV version 1.16