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 - es.c (source / functions) Coverage Total Hit
Test: PARI/GP v2.18.1 lcov report (development 31042-0fbe168e69) Lines: 71.8 % 2798 2008
Test Date: 2026-07-23 17:04:59 Functions: 80.0 % 310 248
Legend: Lines:     hit not hit

Function Name Sort by function name Hit count Sort by function hit count
GENtoGENstr 742
GENtoGENstr_nospace 0
GENtoTeXstr 0
GENtostr 4
GENtostr_fun 746
GENtostr_raw 3717
GENtostr_unquoted 26332
RgV_to_str 11189
Str 11063
Str_fun 11189
VpowE 240169
_cfwrite 16
_expand_env 5798
_flush_log 261132
_fputs 311487
_fwrite 152
_initout 0
_lfwrite 136
_path_expand 5798
_putc_log 10854662
_puts_log 311487
absrtostr 35021
absrtostr_width_frac 142743
blancs 0
brute 0
bruti 1191259
bruti_intern 1008883
bruti_sign 1427915
check_compress 36
check_gp_file 320
check_magic 12
check_secure 40
cxq_init 11088
dbg 0
dbgGEN 0
dbg_addr 0
dbg_pari_heap 0
dbg_word 0
decode_color 12
delete_buffer 11265
dft_help 0
do_append 0
dopr_arg_vector 1463
dosign 287421
env_ok 0
err_flush 0
err_printf 355
error0 14
ex10 177729
externstr 4
file_getline 1000536
file_input 1000460
file_is_binary 16
filestate_close 391705
filestate_restore 13165
filestate_save 146737
filtre0 1009295
fix_buffer 7420
fmtnum 146267
fmtreal 143128
fmtstr 159381
forpath_init 20
forpath_next 20
fputGEN_pariout 0
gen_output 60995
gen_output_fun 60995
get_file 0
get_free_gp_file 56
get_fun 209602
get_lines 8
get_sigd 143044
get_texvar 105
get_var 101646
gp_dlopen 0
gp_embedded 0
gp_embedded_init 0
gp_fileclose 56
gp_fileextern 4
gp_fileflush 44
gp_fileflush0 52
gp_fileopen 52
gp_fileread 64
gp_filereadstr 56
gp_filewrite 48
gp_filewrite1 52
gp_filter 11039
gp_getenv 0
gp_read_file 19
gp_read_from_input 0
gp_read_str_history 0
gp_read_str_multiline 0
gp_read_stream 8887
gp_read_stream_buf 804589
gp_readvec_file 4
gp_readvec_stream 305
gpextern 4
gpinstall 0
gpsystem 28
gpwritebin 12
gsprintf 1603
gtolong_OK 77
gvsprintf 2000
history 61041
in_help 2449
init_filtre 806550
init_linewrap 62766
init_unique 0
initout 1895
input_loop 951022
install0 0
is_dir_stat 55
is_long_ok 24
is_magic_ok 79
is_sizeoflong_ok 12
isdenom 53256
isfactor 298162
isnull 3727091
isnull_for_pol 1761542
isone 1658288
itostr 6804
itostr_sign 770189
kill_file_stack 757129
killallfiles 49
log10_2 12
mat0n 392
matbrute 0
matbruti 61006
monome 225266
new_buffer 11265
new_gp_file 56
new_line 7919
newfile 40460
normalErrC 624756
normalErrF 41154
normalErrS 311398
normalOutC 10229906
normalOutF 219978
normalOutS 89
numdig 770189
ok_pipe 0
os_getenv 26762
out_print0 116810
out_print1 20496
out_printf 12669
out_putc 731216
out_puts 435608
out_term_color 68398
out_vprintf 14698
outmat 0
outpad 289241
output 0
paren 15995
pari_add_hist 108589
pari_ask_confirm 0
pari_close_files 1887
pari_close_homedir 1887
pari_dir_exists 0
pari_fclose 40383
pari_file_exists 0
pari_flush 205939
pari_fopen 0
pari_fopen_or_fail 0
pari_fopengz 40404
pari_fprintf 0
pari_fread_chars 112212
pari_fread_longs 112
pari_get_hist 60999
pari_get_histrtime 0
pari_get_histtime 0
pari_get_homedir 3778
pari_get_infile 40361
pari_histtime 21
pari_init_files 378548
pari_init_homedir 1895
pari_is_dir 55
pari_is_file 94
pari_is_rwx 0
pari_kill_file 40460
pari_last_was_newline 122635
pari_nb_hist 0
pari_open_file 0
pari_printf 753
pari_putc 104877
pari_puts 62465
pari_safefopen 0
pari_set_last_newline 151103
pari_sprint0 14
pari_sprintf 19146
pari_stdin_isatty 1895
pari_thread_close_files 378540
pari_tmp_dir 0
pari_unique_dir 0
pari_unique_filename 0
pari_unique_filename_suffix 0
pari_unlink 0
pari_vfprintf 0
pari_vprintf 753
pari_vsprintf 78565
path_expand 5798
path_is_absolute 20
popinfile 380447
print 115438
print0_file 94
print1 20468
print_0_or_pm1 1428431
print_coef 0
print_context 5410
print_entree 0
print_errcontext 13426
print_functions_hash 0
print_gcoef 239788
print_precontext 4613
print_prefixed_text 18825
printf0 742
printfl_0 115487
printfl_1 20468
printp 7
prints 0
printsep 1323
printsep1 21
printtex 42
putc_lw 10149612
puts_lw 202807
quote_string 14942
rdGEN 24
rd_long 88
rdstr 16
readbin 12
readobj 36
readstr 4
real0tostr 1756
real0tostr_width_frac 661
resetout 1895
runaway_close 2204
set_last_newline 1164143
shift_add 143485
sm_dopr 80028
stack_GENtostr_fun 72299
stack_GENtostr_fun_unquoted 26332
stack_sprintf 42721
str_absint 588038
str_addr 0
str_alloc 629548
str_alloc0 2128
str_arg_vprintf 228124
str_init 305951
str_long 187493
str_print0 148603
str_printf 148096
str_putc 15655472
str_puts 2539909
str_putscut 159381
str_ulong 187493
strexpand 0
strftime_expand 4
string_gets 0
strip_last_nl 0
strlen_real 173691
strprintf 721
strtex 126
switchin 27
switchin_last 7
switchout 0
switchout_get_FILE 94
term_color 693
term_get_color 83206
term_height 7
term_height_intern 7
term_width 22957
term_width_intern 22957
texVpowE 210
texe 0
texexpo 210
texi 319
texi_sign 516
texnome 203
texparen 0
times_monome 186172
times_texnome 140
tmp_restore 13617
try_dlopen 0
try_name 20
try_open 20
try_pipe 8
uordinal 0
utodec 1167564
v_get_arg 1876
vsigne 0
warning0 7
wr 94
wrGEN 24
wr_check 122
wr_dec 160464
wr_lead_monome 102493
wr_lead_texnome 119
wr_long 112
wr_monome 180516
wr_texnome 105
wr_vecsmall 8082
wrexpo 240169
write0 82
write1 8
writeGEN 8
write_magic 12
writebin 12
writenamedGEN 16
writetex 4
wrstr 16
zeros 15537
zerotostr 126

Generated by: LCOV version 2.0-1