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

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