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 30347-cb65b7994e) Lines: 1420 1532 92.7 %
Date: 2025-06-27 09:22:08 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
F2m_coeff 8033126
F2m_copy 200497
F2m_flip 1553948
F2m_set 798
F2v_clear 12354308
F2v_coeff 661285009
F2v_copy 4487
F2v_ei 42
F2v_flip 1553948
F2v_set 101396949
F2v_to_F2x 37819
F2xX_shift 0
F2x_clear 12354308
F2x_coeff 667844925
F2x_copy 60422987
F2x_div 1570449
F2x_equal 4659016
F2x_equal1 2874131
F2x_flip 1553948
F2x_renormalize 115199521
F2x_set 124722409
F2xqX_div 33173
F3m_coeff 3256719
F3m_copy 0
F3m_set 0
Flm_copy 6429773
Flm_row 8742458
Flv_copy 2555369
Flx_constant 330258
Flx_copy 173878762
Flx_div 1999032
Flx_div_pre 21682771
Flx_equal1 8327730
Flx_lead 980261
Flx_mulu 1105231
FlxqX_div 0
FlxqX_div_pre 165413
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693929
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5577186
FpX_renormalize 145332415
Fp_add 171974888
Fp_addmul 11336394
Fp_center 76277494
Fp_center_i 14245465
Fp_div 15034214
Fp_divu 15133954
Fp_double 22124708
Fp_halve 247348
Fp_inv 23376430
Fp_invsafe 1100351
Fp_mul 200296300
Fp_muls 17780
Fp_mulu 69644180
Fp_neg 30881765
Fp_red 82037684
Fp_sqr 64040842
Fp_sub 202778803
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_mul 22766
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_Fp_mul 572074
FqX_Fq_mul 427294
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38547
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 444998
FqX_factor 141051
FqX_factor_squarefree 7
FqX_gcd 8246
FqX_get_red 6090
FqX_halfgcd 0
FqX_halve 19411
FqX_integ 0
FqX_is_squarefree 683802
FqX_mul 367801
FqX_mulu 21942
FqX_neg 24956
FqX_normalize 4123
FqX_powu 1295
FqX_red 25354
FqX_rem 37743
FqX_roots 7273
FqX_sqr 71855
FqX_sub 68607
FqX_to_mod 175
FqXn_exp 0
FqXn_expint 6590
FqXn_inv 7126
FqXn_mul 263403
FqXn_sqr 0
Fq_red 3106464
Fq_to_FpXQ 73792
GENbinbase 958649491
QV_isscalar 54374682
Q_abs 8049475
Q_abs_shallow 120250
Qtoss 19936
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622076
RgC_gtofp 34000068
RgC_gtomp 574
RgM_dimensions 9742187
RgM_fpnorml2 22781
RgM_gtofp 8248608
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22159242
RgV_gtofp 56
RgV_is_QV 140755
RgV_is_ZV 31642440
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1208174
RgXQX_div 1904
RgXQX_rem 127649
RgX_coeff 2551519
RgX_copy 103853529
RgX_div 7054669
RgX_equal_var 26929548
RgX_fpnorml2 61607
RgX_gtofp 7139532
RgX_is_QX 400118
RgX_is_ZX 21385789
RgX_is_monomial 1396323
RgX_is_rational 68305
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479299
RgX_shift_inplace_init 479299
RgX_to_RgV 140
Rg_col_ei 1451281
Rg_to_Fq 756
ZC_hnfrem 10682114
ZM_ZV_mod 596528
ZM_hnfrem 363847
ZM_lll 7101739
ZV_ZV_mod 8128979
ZV_dvd 23485
ZV_isscalar 22996462
ZV_to_zv 3205807
ZXQ_mul 2148039
ZXQ_sqr 953490
ZX_equal1 12711
ZX_is_monic 7337409
ZX_renormalize 157259711
Z_ispower 98
Z_issquare 458909
abgrp_get_cyc 12225711
abgrp_get_gen 1762890
abgrp_get_no 355156
absfrac 45975173
absfrac_shallow 27845
addmuliu 541074
addmuliu_inplace 59671870
affc_fixlg 249591
affgr 898817
bid_get_MOD 2157263
bid_get_U 3680239
bid_get_arch 41188
bid_get_archp 2397126
bid_get_cyc 5739581
bid_get_fact 2498946
bid_get_fact2 2201587
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804434
bid_get_ideal 72821
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157984
bin_copy 494486648
bit_accuracy 3161944049
bit_accuracy_mul 3175261
bit_prec 142885137
bnf_get_clgp 5368357
bnf_get_cyc 3681663
bnf_get_fu 25851
bnf_get_fu_nocheck 289073
bnf_get_gen 1678178
bnf_get_logfu 2872559
bnf_get_nf 9852647
bnf_get_no 8358
bnf_get_reg 641
bnf_get_sunits 1365636
bnf_get_tuN 282983
bnf_get_tuU 303552
bnr_get_bid 2045870
bnr_get_bnf 3750909
bnr_get_clgp 2830014
bnr_get_cyc 2522338
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368118
bnr_get_no 277493
both_odd 117112566
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 973494
cgiv 101997389
checkell_i 4677425
closure_arity 368393836
closure_codestr 319521611
closure_get_code 0
closure_get_data 319472731
closure_get_dbg 13523
closure_get_frame 13188462
closure_get_oper 319498622
closure_get_text 36855
closure_is_variadic 40144734
col_ei 5923607
coltrunc_init 393680
const_col 9729399
const_vec 33512293
const_vecsmall 19465491
constant_coeff 1441261
cxcompotor 18009760
cxnorm 90694342
cxtofp 8980257
cxtoreal 394437
cyc_get_expo 2755531
cyclic_perm 99911
dbllog2r 94042357
degpol 5420563090
div_content 58477
divsBIL 8142801181
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232582
ellR_get_sign 371325
ell_get_a1 7116185
ell_get_a2 5709703
ell_get_a3 6912832
ell_get_a4 6522704
ell_get_a6 7961477
ell_get_b2 5432768
ell_get_b4 2135641
ell_get_b6 3055105
ell_get_b8 2608978
ell_get_c4 8021635
ell_get_c6 8850299
ell_get_disc 11279788
ell_get_j 1295726
ell_get_type 11588148
ell_is_inf 52762622
ellff_get_a4a6 800024
ellff_get_field 2036853
ellinf 1868504
ellnf_get_bnf 126
ellnf_get_nf 2027603
equali1 1305069571
equalim1 139042144
err_get_compo 294
err_get_num 62334
gaddgs 123175684
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80394
gal_get_invvdm 27881
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36337
gal_get_roots 32753
gc_GEN 254757966
gc_INT 4076104405
gc_INT_affii 8486671
gc_all 109596542
gc_leaf 1132515143
gc_slice 2204852
gc_upto 1919678592
gchar_copy_precs 1202
gchar_get_DLdata 188468
gchar_get_S 36865
gchar_get_U 0
gchar_get_Ui 10969
gchar_get_basis 32639
gchar_get_bnf 203105
gchar_get_cyc 16168
gchar_get_evalprec 4011
gchar_get_hnf 0
gchar_get_loccyc 50347
gchar_get_m0 3321
gchar_get_mod 8225
gchar_get_modP 4095
gchar_get_nalg 2042
gchar_get_nc 37131
gchar_get_nf 241501
gchar_get_nfprec 13419
gchar_get_nfree 322
gchar_get_nm 1841
gchar_get_ns 36865
gchar_get_ntors 322
gchar_get_prec 18732
gchar_get_r1 17416
gchar_get_r2 623
gchar_get_sfu 1748
gchar_get_u0 4267
gchar_get_zm 279434
gchar_set_HUUi 623
gchar_set_basis 1573
gchar_set_cyc 1573
gchar_set_evalprec 1785
gchar_set_m0 950
gchar_set_nalg 623
gchar_set_nf 2077
gchar_set_nfprec 2950
gchar_set_nfree 623
gchar_set_ntors 623
gchar_set_prec 1202
gchar_set_u0 2093
gcmpgs 790664
gdivsg 529208
gen_I 1269470
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1928982
get_F2x_mod 2499225
get_F2x_var 2534089
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83488089
get_Flx_mod 25588002
get_Flx_var 68332075
get_FlxqX_degree 317565
get_FlxqX_mod 8033
get_FlxqX_var 264420
get_FpXQX_degree 3589
get_FpXQX_mod 146583
get_FpXQX_var 51630
get_FpX_degree 6006290
get_FpX_mod 3394310
get_FpX_var 7238912
gisdouble 2984699
gmax_shallow 13510218
gmaxsg 0
gmin_shallow 876294
gminsg 0
gmulgs 22309346
gmulgu 124184361
gsubgs 1719861
gtodouble 60862053
gtofp 254119214
gtomp 22428
gtos 85815566
gtou 104365
guncloneNULL 48127843
guncloneNULL_deep 1387528
gval 5824
hash_str 2747301
hash_str_len 18305052
icopy_avma 7960842224
idealchineseinit 5427
idealred 138469
identity_ZV 4333
identity_perm 3222669
identity_zv 3247012
inf_get_sign 1453005
inv_content 0
is_bigint 560647595
is_const_t 4904522842
is_extscalar_t 6876
is_intreal_t 9574851
is_matvec_t 664701851
is_noncalc_t 85753884
is_pm1 2190414460
is_qfb_t 0
is_rational_t 5035521
is_real_t 62657700
is_recursive_t 9222626170
is_scalar_t 380674360
is_universal_constant 291148284
is_vec_t 43502407
isint1 17113911
isintm1 5703195
isintzero 2811360765
ismpzero 9574739
isonstack 8192774162
killblock 1900487
leading_coeff 171113344
leafcopy_avma 569920580
lg_increase 320955064
lgcols 348142042
lgpol 2666026224
lincombii 38188123
locs_get_Lgenfil 1260
locs_get_Lsprk 191695
locs_get_cyc 51955
locs_get_famod 1260
locs_get_m_infty 207235
locs_get_mod 8225
logint 752790
matpascal 3885
matslice 16673594
mkcol 10617425
mkcol2 156551678
mkcol2s 4415390
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232484
mkcolcopy 33495
mkcols 40411
mkcomplex 90281311
mkerr 0
mkfrac 41118965
mkfraccopy 4959062
mkfracss 1209444
mkintmod 7999914
mkintmodu 1813
mkmat 4748709
mkmat2 33189858
mkmat22 50104970
mkmat22s 207501
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122230
mkmoo 108813
mkoo 1331936
mkpadic 2009
mkpolmod 3032472
mkqfb 28076605
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 68167386
mkvec2 185837485
mkvec2copy 114561
mkvec2s 220405
mkvec3 119051770
mkvec3s 524441
mkvec4 6751795
mkvec4s 21
mkvec5 14725147
mkveccopy 122507
mkvecs 168
mkvecsmall 130818263
mkvecsmall2 227214873
mkvecsmall3 101441980
mkvecsmall4 16087874
mkvecsmall5 720838
modpr_get_T 13865391
modpr_get_p 1888432
modpr_get_pr 31231376
mul_content 2651981
mul_denom 10705990
mulsubii 3880858
nbits2extraprec 1498162242
nbits2ndec 228
nbits2nlong 12649449
nbits2prec 186850408
nbrows 157326988
nchar2nlong 122224211
ndec2nbits 8270
ndec2nlong 41521
ndec2prec 33251
nfV_to_scalar_or_alg 26292
nf_get_G 303146
nf_get_M 21066612
nf_get_Tr 22084
nf_get_degree 71316385
nf_get_diff 4438
nf_get_disc 463834
nf_get_index 3707913
nf_get_invzk 9758239
nf_get_pol 97801347
nf_get_r1 22789209
nf_get_r2 4140
nf_get_ramified_primes 64813
nf_get_roots 1621368
nf_get_roundG 1744018
nf_get_sign 517284
nf_get_varn 1222559
nf_get_zk 4382
nf_get_zkden 5458477
nf_get_zkprimpart 5412640
normalize_frac 17005028
odd 2078631078
pari_calloc 47573
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2771
pari_err_FILE 0
pari_err_FILEDESC 36
pari_err_FLAG 98
pari_err_IMPL 539
pari_err_INV 20018
pari_err_IRREDPOL 63
pari_err_MAXPRIME 0
pari_err_MODULUS 1316
pari_err_OP 406
pari_err_OVERFLOW 156
pari_err_PACKAGE 0
pari_err_PREC 238
pari_err_PRIME 98
pari_err_PRIORITY 238
pari_err_ROOTS0 63
pari_err_SQRTN 7084
pari_err_TYPE 15384
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 507801640
pari_malloc 738275428
pari_realloc 1890
pari_realloc_ip 2171902
pari_stack_alloc 700222198
pari_stack_base 705615135
pari_stack_delete 5389117
pari_stack_init 5823760
pari_stack_new 607067227
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2780013
perm_mul 80268863
perm_sqr 728
pol0_F2x 13241777
pol0_Flx 103197960
pol1_F2x 3957389
pol1_Flx 55035628
pol_0 83292680
pol_1 4470330
pol_x 3820718
pol_xn 2246133
pol_xnall 294
polx_F2x 1078637
polx_Flx 38049760
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43195807
pr_get_e 15947703
pr_get_f 25979486
pr_get_gen 12051918
pr_get_p 91650189
pr_get_tau 48824148
pr_is_inert 16889594
pr_norm 1086541
prec2lg 4490893284
prec2nbits 105814675
prec2nbits_mul 580917
prec2ndec 9778
precdbl 475359
qfb_disc 18515331
qfb_disc3 4987244
qfb_is_qfi 63027821
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8052428806
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506307
rnf_get_disc 350
rnf_get_idealdisc 1386
rnf_get_index 105
rnf_get_invzk 1225
rnf_get_k 1225
rnf_get_map 135659
rnf_get_nf 786030
rnf_get_nfdegree 21455
rnf_get_nfpol 255354
rnf_get_nfvarn 4886
rnf_get_nfzk 7245
rnf_get_pol 2845157
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 763984
row_i 987
rowcopy 204988
rowpermute 14676667
rowslice 78569344
rowslicepermute 184985
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27635657
sqrfrac 4136685
sqrti 6675421
sqrtnr 2800245
sqrtr 80235895
sstoQ 1074262
sturm 385
submulii 32843721
submuliu 7742
submuliu_inplace 60162335
truecoef 0
trunc_safe 0
ulogint 1725273
upr_norm 343927
uutoQ 158482153
vec_append 3461240
vec_ei 1714647
vec_lengthen 18969
vec_prepend 313874
vec_setconst 0
vec_shorten 11550
vec_to_vecsmall 4031213
veclast 7092360
vecmodii 0
vecmoduu 49784
vecpermute 20502865
vecreverse 697046
vecreverse_inplace 2570
vecslice 643237296
vecslicepermute 2656579
vecsmall_append 4100963
vecsmall_coincidence 0
vecsmall_concat 1464417
vecsmall_copy 4399231
vecsmall_ei 584684
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 526
vecsmall_lexcmp 7209171
vecsmall_max 1032458
vecsmall_min 2324
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74672
vecsmall_to_col 7834929
vecsmall_to_vec 511536
vecsmall_to_vec_inplace 3304
vecsmallpermute 78073201
vecsmalltrunc_append 101405027
vecsmalltrunc_init 191767545
vecsplice 384891
vectrunc_append 15522646
vectrunc_append_batch 12278
vectrunc_init 11956726
zc_to_ZC 7820750
zero_F2m 0
zero_F2m_copy 845098
zero_F2v 3647430
zero_F2x 1350
zero_Flm 2796207
zero_Flm_copy 236089
zero_Flv 59422694
zero_Flx 1426845
zero_zm 0
zero_zv 36700591
zero_zx 0
zerocol 122225934
zeromat 109132
zeromatcopy 14227506
zeropadic 855728
zeropadic_shallow 17024
zeropol 42311269
zeroser 138810
zerovec 26914597
zerovec_block 28933
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 34545856
znstar_get_U 176051
znstar_get_Ui 46788
znstar_get_conreycyc 7824972
znstar_get_conreygen 3221961
znstar_get_cyc 261976
znstar_get_faN 7212431
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2820791
zv_copy 2184110
zv_to_ZV 502975
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16