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 - headers - pariinl.h (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30592-30cd175d91) Lines: 1420 1535 92.5 %
Date: 2026-01-03 09:20:22 Functions: 649 707 91.8 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
F2m_clear 0
F2xX_shift 0
F3m_copy 0
F3m_set 0
FlxqX_div 0
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQ_add 0
FpXQ_sub 0
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_divrem 0
FqX_halfgcd 0
FqX_integ 0
FqXn_exp 0
FqXn_sqr 0
R_abs 0
RgX_isscalar 0
bid_get_gen_nocheck 0
bid_get_no 0
cbrtr 0
cbrtr_abs 0
closure_get_code 0
gchar_get_U 0
gchar_get_hnf 0
gmaxsg 0
gminsg 0
inv_content 0
is_qfb_t 0
mkcol4s 0
mkerr 0
mkmat5 0
mkvec5s 0
mkvec6 0
pari_err_FILE 0
pari_err_MAXPRIME 0
pari_err_PACKAGE 0
polx_zx 0
random_Fq 0
truecoef 0
trunc_safe 0
vec_setconst 0
vecmodii 0
vecsmall_coincidence 0
zero_F2m 0
zero_zm 0
zero_zx 0
zm_copy 0
zm_row 0
zm_to_zxV 0
zx_shift 0
zx_to_zv 0
FqX_ddf 7
FqX_factor_squarefree 7
mkrfraccopy 14
pari_err_BUG 14
znstar_get_no 14
RgM_gtomp 21
mkvec4s 21
pari_err_CONSTPOL 21
vecsmall_indexmax 21
vecsmall_indexmin 21
pari_err_FILEDESC 36
F2v_ei 42
RgV_gtofp 56
pari_err_IRREDPOL 63
pari_err_ROOTS0 63
bnr_get_gen_nocheck 70
mkmat4 84
pari_err_COPRIME 84
vecsmall_isin 84
vecsmall_pack 84
gal_get_e 91
mkcol5 94
Z_ispower 98
pari_err_FLAG 98
pari_err_PRIME 98
rnf_get_index 105
ellnf_get_bnf 119
RgX_to_RgV 140
pari_err_OVERFLOW 156
mkvecs 168
FqX_to_mod 175
pari_err_COMPONENT 214
nbits2ndec 228
pari_err_PREC 238
pari_err_PRIORITY 238
zm_transpose 266
rowsplice 273
err_get_compo 294
pol_xnall 294
mkvec6s 301
ellQp_get_prec 308
mkcol3s 315
gchar_get_nfree 322
gchar_get_ntors 322
get_F2xqX_mod 343
rnf_get_disc 357
pari_err_VAR 371
polxn_Flx 371
sturm 385
pari_err_OP 406
pari_err_IMPL 539
vecsmall_lengthen 547
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 630
gchar_set_nalg 630
gchar_set_nfree 630
gchar_set_ntors 630
bnf_get_reg 648
pari_err_DIM 718
perm_sqr 728
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 945
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
gchar_copy_precs 1225
gchar_set_prec 1225
rnf_get_invzk 1225
rnf_get_k 1225
locs_get_Lgenfil 1288
locs_get_famod 1288
FqX_powu 1295
pari_err_MODULUS 1316
zero_F2x 1350
rnf_get_idealdisc 1386
rnf_get_alpha 1428
ellQp_get_zero 1463
powIs 1561
gchar_set_basis 1575
gchar_set_cyc 1575
gchar_get_sfu 1743
gchar_set_evalprec 1813
mkintmodu 1813
gchar_get_nm 1869
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2044
gchar_set_nf 2110
gchar_set_u0 2121
vecsmall_min 2345
vecreverse_inplace 2605
rnf_get_ramified_primes 2849
pari_err_DOMAIN 2862
gchar_set_nfprec 2968
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3318
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3983
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4144
nf_get_r2 4154
gchar_get_u0 4252
nf_get_zk 4382
nf_get_diff 4445
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
pari_stack_pushp 5851
gal_get_p 6006
FqX_get_red 6090
gval 6230
FqXn_expint 6590
gal_get_orders 6678
is_extscalar_t 6876
pari_err_SQRTN 7084
FqXn_inv 7126
rnf_get_nfzk 7245
FqX_roots 7273
submuliu 7700
bnr_get_gen 7847
get_FlxqX_mod 8033
identity_ZV 8113
gchar_get_mod 8225
locs_get_mod 8225
ndec2nbits 8270
FqX_gcd 8288
bnf_get_no 8365
vectrunc_append_batch 9667
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
ZX_equal1 12850
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15370
gal_get_gen 15435
znstar_get_gen 16150
gchar_get_cyc 16177
mkmat3 17001
zeropadic_shallow 17023
gchar_get_r1 17444
Fp_muls 17780
gchar_get_prec 18795
vec_lengthen 18960
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22084
gtomp 22428
RgM_fpnorml2 22662
FqXQ_mul 22766
ZV_dvd 23485
gal_get_mod 23758
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26300
gal_get_den 27867
gal_get_invvdm 27874
absfrac_shallow 28237
gequalgs 29176
zerovec_block 29654
gener_Fq_local 29946
gal_get_roots 32732
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33540
Qtoss 35322
gal_get_pol 36316
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37932
FqX_div 38567
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47713
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58518
RgX_fpnorml2 61494
err_get_num 62522
bid_get_gen 64274
nf_get_ramified_primes 64645
RgX_is_rational 68164
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69699
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72842
Fq_to_FpXQ 73652
vecsmall_shorten 75640
bnr_get_mod 77119
gal_get_group 80388
mkcol3 88314
gtou 99509
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108796
zeromat 109099
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114516
Q_abs_shallow 120236
mkmatcopy 122240
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138459
zeroser 138908
RgV_is_QV 140732
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165416
znstar_get_U 176107
rowslicepermute 185045
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200473
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220248
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238233
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249622
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277477
gchar_get_zm 281911
bnf_get_tuN 282995
bnf_get_fu_nocheck 289078
bnf_get_tuU 303570
nf_get_G 303965
vec_prepend 313988
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334014
cxtoreal 337205
upr_norm 346136
RgX_renormalize 349807
abgrp_get_no 354930
ZM_hnfrem 363781
FqX_mul 367699
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384917
RgX_is_QX 399932
perm_conj 418299
FqX_Fq_mul 427289
FqX_extgcd 444660
Z_issquare 458711
nf_get_disc 463481
precdbl 475363
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519550
mkvec3s 524441
gdivsg 531590
addmuliu 535681
FqX_Fp_mul 571440
prec2nbits_mul 581164
vecsmall_ei 584739
ZM_ZV_mod 596451
RgC_fpnorml2 619837
FqX_is_squarefree 683802
vecreverse 697277
mkrfrac 698439
coltrunc_init 740250
logint 754841
gcmpgs 761924
row 763881
rnf_get_nf 786086
ellff_get_a4a6 800021
zero_F2m_copy 845073
FpXX_renormalize 849917
zeropadic 855779
gmin_shallow 877642
affgr 898866
ZXQ_sqr 960238
cgetc 975459
Flx_lead 978725
polx_F2x 1079860
pr_norm 1089639
sstoQ 1097215
Fp_invsafe 1100358
Flx_mulu 1105314
vecsmall_max 1164116
mkfracss 1209563
RgV_isscalar 1210276
gen_I 1269700
RgX_is_monomial 1331396
mkoo 1331949
bnf_get_sunits 1367778
bnr_get_nf 1368093
rnf_get_absdegree 1392746
zero_Flx 1426542
guncloneNULL_deep 1433525
constant_coeff 1441124
Rg_col_ei 1450999
inf_get_sign 1452998
vecsmall_concat 1464264
nf_get_varn 1503434
bid_get_mod 1521921
F2m_flip 1554874
F2v_flip 1554874
F2x_flip 1554874
F2x_div 1573518
uutoQ 1600198
nf_get_roots 1627995
bnf_get_gen 1680308
vec_ei 1713874
mkvecsmall5 1717501
ulogint 1719860
gsubgs 1724803
nf_get_roundG 1747294
abgrp_get_gen 1765023
ellinf 1869753
modpr_get_p 1888403
killblock 1918216
get_F2x_degree 1928944
Flx_div 1997978
ellnf_get_nf 2027233
ellff_get_field 2036834
bnr_get_bid 2046085
ell_get_j 2126269
bid_get_MOD 2157239
bid_get_sprk 2157967
ZXQ_mul 2161038
zv_copy 2183807
bid_get_fact2 2201560
gc_slice 2204090
pol_xn 2249263
pari_realloc_ip 2254904
bid_get_archp 2397090
bid_get_fact 2498919
get_F2x_mod 2499149
rnf_get_degree 2506335
bnr_get_cyc 2522568
get_F2x_var 2533822
ell_get_b4 2550216
Flv_copy 2555040
mul_content 2654167
RgX_coeff 2669861
vecslicepermute 2690113
hash_str 2756813
cyc_get_expo 2757543
perm_inv 2781909
sqrtnr 2809256
zero_Flm 2829300
bnr_get_clgp 2830240
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2874025
bnf_get_logfu 2874758
gisdouble 2992354
mkpolmod 3103725
Fq_red 3106338
bit_accuracy_mul 3175472
ZV_to_zv 3211407
identity_perm 3241366
F3m_coeff 3255913
identity_zv 3265715
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394338
vec_append 3465055
zero_F2v 3647819
bid_get_U 3680214
bnf_get_cyc 3686143
nf_get_index 3711410
bnr_get_bnf 3751357
pol_1 3755627
pol_x 3856962
ell_get_b6 3863115
mulsubii 3881718
pol1_F2x 3956030
vec_to_vecsmall 4036599
vecsmall_append 4099631
sqrfrac 4148291
vecsmall_copy 4403826
mkcol2s 4416244
F2x_equal 4673783
FpXQX_renormalize 4694112
mkmat 4750918
qfb_disc3 4994746
mkfraccopy 4999344
is_rational_t 5032502
bnf_get_clgp 5374985
nf_get_zkprimpart 5417639
nf_get_zkden 5463457
pari_stack_delete 5574669
FpX_div 5581179
checkell_i 5593202
isintm1 5710066
bid_get_cyc 5739783
bid_get_grp 5804635
col_ei 5924674
pari_stack_init 6051054
get_FpX_degree 6424425
Flm_copy 6433473
sqrti 6618034
get_FpX_var 6957866
RgX_div 7000642
vecsmall_lexcmp 7043259
ell_get_a2 7106174
ZM_lll 7116490
RgX_gtofp 7144734
znstar_get_faN 7331711
ell_get_b2 7371027
ZX_is_monic 7374252
zc_to_ZC 7824431
vecsmall_to_col 7838613
znstar_get_conreycyc 7979693
F2m_coeff 8040118
Q_abs 8062531
mkintmod 8092632
ZV_ZV_mod 8131477
RgM_gtofp 8257699
Flx_equal1 8329796
gc_INT_affii 8494814
ell_get_a4 8536715
Flm_row 8741170
ell_get_a3 8814041
ell_get_a1 8997073
cxtofp 9078056
veclast 9372688
ismpzero 9585775
is_intreal_t 9585873
const_col 9729710
RgM_dimensions 9741553
nf_get_invzk 9767327
bnf_get_nf 9863858
mkvec4 10093551
ser_isexactzero 10120284
ell_get_a6 10370953
mkcol 10639891
ZC_hnfrem 10695885
mul_denom 10711226
ell_get_c4 11017770
Fp_addmul 11271083
vectrunc_init 11767605
pr_get_gen 12067239
abgrp_get_cyc 12230753
F2x_clear 12355114
F2v_clear 12355132
ell_get_type 12498633
nbits2nlong 12744613
pol0_F2x 13244096
ell_get_c6 13474264
gmax_shallow 13510199
modpr_get_T 13867521
closure_get_frame 14157966
zeromatcopy 14248654
rowpermute 14705319
Fp_div 15035001
Fp_divu 15129420
mkvec5 15185687
vectrunc_append 15852734
pr_get_e 16102096
ell_get_disc 16814627
matslice 16818282
pr_is_inert 17146334
normalize_frac 17204927
isint1 17584631
Fp_center_i 18020074
cxcompotor 18207871
qfb_disc 18502530
mkvecsmall4 18653153
const_vecsmall 19700351
vecpermute 20543671
Fp_double 20878714
nf_get_M 21307577
Flx_div_pre 21687402
RgM_shallowcopy 22173926
RgX_is_ZX 22423190
gmulgs 22550056
nf_get_r1 23028082
ZV_isscalar 23234353
Fp_inv 23438300
get_Flx_mod 25592995
pr_get_f 26342846
RgX_equal_var 26883018
shallowcopy 27627445
mkqfb 27927643
zerovec 28453559
modpr_get_pr 31237790
Fp_neg 31474690
hash_str_len 31544850
RgV_is_ZV 32158323
submulii 32189186
mkmat2 33652695
RgC_gtofp 34030230
const_vec 34472512
zero_zv 36732631
polx_Flx 37485524
lincombii 38207723
znstar_get_N 38655073
mkfrac 41637732
zeropol 42353937
powii 43127008
is_vec_t 43957332
closure_is_variadic 44789096
absfrac 46638394
guncloneNULL 47929947
pr_get_tau 49566026
mkmat22 50253118
ell_is_inf 52363123
QV_isscalar 54415655
pol1_Flx 55047671
zero_Flv 59654776
addmuliu_inplace 59717406
submuliu_inplace 60206611
F2x_copy 60472098
gtodouble 60775259
is_real_t 62062466
qfb_is_qfi 62324470
Fp_sqr 63527329
Fp_mulu 66867531
get_Flx_var 68345082
mkvec 71081275
nf_get_degree 71365570
Fp_center 77154108
vecsmallpermute 78692881
rowslice 79300559
sqrtr 80368018
perm_mul 80888259
get_Flx_degree 81918115
Fp_red 82194744
pol_0 82996621
gtos 85855699
is_noncalc_t 85875451
cxnorm 91197213
mkcomplex 91596399
pr_get_p 92477009
dbllog2r 92814082
nf_get_pol 98075736
vecsmalltrunc_append 100741064
F2v_set 101404905
cgiv 102268305
RgX_copy 103406498
pol0_Flx 103460068
prec2nbits 103964949
mkvecsmall3 104176720
vecsmall_prefixcmp 108088071
gc_all 109631057
F2x_renormalize 115346758
mkvec3 116764326
zerocol 122324306
gaddgs 123248617
both_odd 124035894
F2x_set 124758838
nchar2nlong 127387085
mkvecsmall 131613478
equalim1 139505028
bit_prec 142799416
FpX_renormalize 144203209
ZX_renormalize 154949548
mkcol2 156794142
nbrows 157439576
leading_coeff 170259936
Flx_copy 173175892
Fp_add 181055787
mkvec2 184754848
nbits2prec 186116902
vecsmalltrunc_init 188776250
Fp_mul 200791261
Fp_sub 202519161
mkvecsmall2 234831933
gtofp 254332431
gc_GEN 255452556
gmulgu 282059385
lg_increase 314202612
closure_get_data 321643215
closure_get_oper 321660781
closure_codestr 321678203
is_universal_constant 325765750
lgcols 350611248
closure_arity 371536684
is_scalar_t 375661220
bin_copy 495990339
pari_free 509362721
is_bigint 562920402
leafcopy_avma 577416801
vecslice 655931000
is_matvec_t 659642401
F2v_coeff 661330059
F2x_coeff 667813291
pari_malloc 745259899
pari_stack_new 925076644
GENbinbase 961771226
pari_stack_alloc 1019761274
pari_stack_base 1025261868
gc_leaf 1133819695
equali1 1174219209
nbits2extraprec 1457356947
gc_upto 1951866064
odd 2088880538
is_pm1 2202821726
lgpol 2684264877
isintzero 2842412237
bit_accuracy 3156046704
gc_INT 4106972229
prec2lg 4466637257
is_const_t 4895005575
degpol 5485463757
remsBIL 7997471738
icopy_avma 8035215755
divsBIL 8087924979
isonstack 8264063281
is_recursive_t 9233626489

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