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 30540-a74e376001) Lines: 1419 1532 92.6 %
Date: 2025-11-09 09:22:50 Functions: 648 704 92.0 %
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
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 126
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
ellQp_get_prec 308
mkcol3s 315
gchar_get_nfree 322
gchar_get_ntors 322
get_F2xqX_mod 343
rnf_get_disc 350
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
pari_err_DOMAIN 2841
rnf_get_ramified_primes 2849
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 3885
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4123
nf_get_r2 4154
gchar_get_u0 4252
nf_get_zk 4382
nf_get_diff 4438
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
gval 5824
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
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 7742
bnr_get_gen 7847
get_FlxqX_mod 8033
identity_ZV 8113
gchar_get_mod 8225
locs_get_mod 8225
FqX_gcd 8246
ndec2nbits 8270
bnf_get_no 8372
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
vectrunc_append_batch 12306
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15398
gal_get_gen 15449
znstar_get_gen 16150
gchar_get_cyc 16177
mkmat3 17001
zeropadic_shallow 17024
gchar_get_r1 17444
Fp_muls 17780
gchar_get_prec 18795
vec_lengthen 18946
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22078
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22781
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25858
nfV_to_scalar_or_alg 26300
gal_get_den 27874
gal_get_invvdm 27881
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29932
gal_get_roots 32753
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33237
mkcolcopy 33507
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37890
FqX_div 38546
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41507
znstar_get_Ui 46788
pari_calloc 47671
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58476
RgX_fpnorml2 61608
err_get_num 62529
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68306
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69629
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72842
Fq_to_FpXQ 73792
vecsmall_shorten 74579
bnr_get_mod 77117
gal_get_group 80392
mkcol3 88314
gtou 98300
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108849
zeromat 109118
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114571
Q_abs_shallow 120252
mkmatcopy 122254
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138519
zeroser 138824
RgV_is_QV 140759
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165419
znstar_get_U 176107
rowslicepermute 184841
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200503
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220416
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235921
gchar_get_nf 243932
Fp_halve 247348
affc_fixlg 249591
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277495
gchar_get_zm 281911
bnf_get_tuN 283009
bnf_get_fu_nocheck 289078
nf_get_G 303575
bnf_get_tuU 303582
vec_prepend 313997
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333157
cxtoreal 337174
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 355188
ZM_hnfrem 363844
FqX_mul 367814
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384902
RgX_is_QX 400130
perm_conj 418299
FqX_Fq_mul 427292
FqX_extgcd 445050
Z_issquare 458924
nf_get_disc 463865
precdbl 475518
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
zv_to_ZV 503010
vecsmall_to_vec 511585
nf_get_sign 519552
mkvec3s 524441
gdivsg 531143
addmuliu 541154
FqX_Fp_mul 572140
prec2nbits_mul 581139
vecsmall_ei 584732
ZM_ZV_mod 596624
RgC_fpnorml2 622073
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698152
coltrunc_init 740250
logint 755036
gcmpgs 761920
row 764009
rnf_get_nf 786030
ellff_get_a4a6 800028
zero_F2m_copy 845102
FpXX_renormalize 849896
zeropadic 855530
gmin_shallow 878360
affgr 898824
ZXQ_sqr 961082
cgetc 975427
Flx_lead 980226
polx_F2x 1078343
pr_norm 1088550
sstoQ 1097215
Fp_invsafe 1100357
Flx_mulu 1105214
vecsmall_max 1164515
mkfracss 1209563
RgV_isscalar 1210307
gen_I 1269839
RgX_is_monomial 1331301
mkoo 1332012
bnf_get_sunits 1367778
bnr_get_nf 1368126
rnf_get_absdegree 1392746
zero_Flx 1426983
guncloneNULL_deep 1441342
constant_coeff 1441518
Rg_col_ei 1451306
inf_get_sign 1453119
vecsmall_concat 1464418
nf_get_varn 1503570
bid_get_mod 1521920
F2m_flip 1554031
F2v_flip 1554031
F2x_flip 1554031
F2x_div 1569800
uutoQ 1600142
nf_get_roots 1627844
bnf_get_gen 1680318
vec_ei 1714617
ulogint 1715367
gsubgs 1724191
mkvecsmall5 1731100
nf_get_roundG 1746600
abgrp_get_gen 1765032
ellinf 1869808
modpr_get_p 1888432
killblock 1928520
get_F2x_degree 1929113
Flx_div 1999049
ellnf_get_nf 2027595
ellff_get_field 2036875
bnr_get_bid 2045869
ell_get_j 2126227
bid_get_MOD 2157261
bid_get_sprk 2157989
ZXQ_mul 2162040
zv_copy 2184122
bid_get_fact2 2201581
gc_slice 2204889
pol_xn 2249960
pari_realloc_ip 2266753
bid_get_archp 2397132
bid_get_fact 2498946
get_F2x_mod 2499148
rnf_get_degree 2506307
bnr_get_cyc 2522343
get_F2x_var 2534298
ell_get_b4 2550216
Flv_copy 2555383
mul_content 2654125
RgX_coeff 2669371
vecslicepermute 2689683
hash_str 2756815
cyc_get_expo 2757779
perm_inv 2782783
sqrtnr 2807503
zero_Flm 2829955
bnr_get_clgp 2830022
rnf_get_pol 2845157
znstar_get_pe 2868790
F2x_equal1 2873870
bnf_get_logfu 2874722
gisdouble 2987104
mkpolmod 3105017
Fq_red 3106407
bit_accuracy_mul 3175454
ZV_to_zv 3211415
identity_perm 3242289
F3m_coeff 3256716
identity_zv 3266639
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394355
vec_append 3465596
zero_F2v 3648081
bid_get_U 3680239
bnf_get_cyc 3686074
nf_get_index 3711319
bnr_get_bnf 3750910
pol_1 3756358
pol_x 3856872
ell_get_b6 3863115
mulsubii 3881457
pol1_F2x 3958571
vec_to_vecsmall 4036850
vecsmall_append 4111370
sqrfrac 4147740
vecsmall_copy 4404258
mkcol2s 4416244
F2x_equal 4655558
FpXQX_renormalize 4693748
mkmat 4750774
qfb_disc3 4990834
mkfraccopy 4999047
is_rational_t 5035109
bnf_get_clgp 5374934
nf_get_zkprimpart 5416335
nf_get_zkden 5462196
FpX_div 5581087
checkell_i 5593301
pari_stack_delete 5609526
isintm1 5704263
bid_get_cyc 5739592
bid_get_grp 5804441
col_ei 5925878
pari_stack_init 6081837
get_FpX_degree 6424452
Flm_copy 6433640
sqrti 6665553
get_FpX_var 6957963
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7106163
ZM_lll 7112200
RgX_gtofp 7147691
znstar_get_faN 7330731
ell_get_b2 7371021
ZX_is_monic 7375995
zc_to_ZC 7823643
vecsmall_to_col 7837822
znstar_get_conreycyc 7978902
F2m_coeff 8038884
Q_abs 8062664
mkintmod 8092454
ZV_ZV_mod 8131274
RgM_gtofp 8251863
Flx_equal1 8327244
gc_INT_affii 8486384
ell_get_a4 8536704
Flm_row 8742613
ell_get_a3 8814022
ell_get_a1 8997054
cxtofp 9082969
veclast 9372686
ismpzero 9583631
is_intreal_t 9583747
const_col 9729886
RgM_dimensions 9741998
nf_get_invzk 9765429
bnf_get_nf 9863723
ser_isexactzero 10079479
mkvec4 10105953
ell_get_a6 10370942
mkcol 10641036
ZC_hnfrem 10690810
mul_denom 10709894
ell_get_c4 11018220
Fp_addmul 11349753
pr_get_gen 12062192
vectrunc_init 12065785
abgrp_get_cyc 12230249
F2v_clear 12355376
F2x_clear 12355381
ell_get_type 12499450
nbits2nlong 12652635
pol0_F2x 13243496
ell_get_c6 13474681
gmax_shallow 13510221
modpr_get_T 13867593
closure_get_frame 14168697
zeromatcopy 14239643
rowpermute 14708957
Fp_div 15035700
Fp_divu 15135526
mkvec5 15184904
pr_get_e 15952718
vectrunc_append 16162000
ell_get_disc 16815362
matslice 16817290
pr_is_inert 16910307
normalize_frac 17204639
isint1 17571935
mkvecsmall4 17836852
Fp_center_i 18041385
cxcompotor 18217626
qfb_disc 18514499
const_vecsmall 19705377
vecpermute 20531136
nf_get_M 21172146
Flx_div_pre 21701864
RgM_shallowcopy 22169840
Fp_double 22294757
RgX_is_ZX 22421704
gmulgs 22450746
nf_get_r1 22892620
ZV_isscalar 23098301
Fp_inv 23437650
get_Flx_mod 25600934
pr_get_f 26041099
RgX_equal_var 26880627
shallowcopy 27639753
mkqfb 27919806
zerovec 28455469
modpr_get_pr 31238008
Fp_neg 31490935
hash_str_len 31549535
RgV_is_ZV 32164046
submulii 32847018
mkmat2 33658685
RgC_gtofp 34007350
const_vec 34479391
zero_zv 36737656
polx_Flx 37825692
lincombii 38192037
znstar_get_N 38653757
closure_is_variadic 40167561
mkfrac 41633561
zeropol 42358595
powii 43178376
is_vec_t 43950235
absfrac 46637934
guncloneNULL 48223843
pr_get_tau 48872272
mkmat22 50271312
ell_is_inf 52512398
QV_isscalar 54401421
pol1_Flx 55059958
zero_Flv 59498700
addmuliu_inplace 59755141
submuliu_inplace 60241669
F2x_copy 60392756
gtodouble 60764484
is_real_t 62063093
qfb_is_qfi 62946537
Fp_sqr 64767251
get_Flx_var 68361379
Fp_mulu 69177162
mkvec 71137345
nf_get_degree 71349975
Fp_center 77225168
vecsmallpermute 78732440
rowslice 79344336
sqrtr 80364167
perm_mul 80927762
Fp_red 82093945
get_Flx_degree 82960316
pol_0 82998372
gtos 85853488
is_noncalc_t 85861262
cxnorm 90939325
mkcomplex 91636551
pr_get_p 91709144
dbllog2r 92818566
nf_get_pol 98057050
F2v_set 101404017
vecsmalltrunc_append 101460454
cgiv 102115766
RgX_copy 103404806
pol0_Flx 103517952
prec2nbits 103932571
mkvecsmall3 104042925
vecsmall_prefixcmp 108088071
gc_all 109990809
F2x_renormalize 115212482
mkvec3 119922332
zerocol 122279207
gaddgs 123245793
both_odd 124025060
F2x_set 124777551
nchar2nlong 127399284
mkvecsmall 131680711
equalim1 139504514
bit_prec 142657704
FpX_renormalize 144593440
ZX_renormalize 155042692
mkcol2 156844009
nbrows 157460218
leading_coeff 170558600
Flx_copy 173800347
Fp_add 181605754
mkvec2 184889048
nbits2prec 186095455
vecsmalltrunc_init 189917176
Fp_mul 201050735
Fp_sub 203514012
mkvecsmall2 233639058
gtofp 254197941
gc_GEN 256152751
gmulgu 282058132
lg_increase 315483619
closure_get_data 321442822
closure_get_oper 321459882
closure_codestr 321476670
is_universal_constant 325798235
lgcols 350240854
closure_arity 371362968
is_scalar_t 375643611
bin_copy 497262706
pari_free 510668089
is_bigint 562541633
leafcopy_avma 577205810
vecslice 656109390
is_matvec_t 659442459
F2v_coeff 661327838
F2x_coeff 667971674
pari_malloc 746566505
pari_stack_new 925020479
GENbinbase 964227770
pari_stack_alloc 1019701838
pari_stack_base 1025293375
gc_leaf 1135040857
equali1 1175136653
nbits2extraprec 1456279910
gc_upto 1949015390
odd 2085018705
is_pm1 2203272324
lgpol 2688379952
isintzero 2837615432
bit_accuracy 3162774743
gc_INT 4105057371
prec2lg 4466769674
is_const_t 4888303639
degpol 5511789531
remsBIL 8005976617
icopy_avma 8035852648
divsBIL 8096920663
isonstack 8258973200
is_recursive_t 9238824649

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