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 - basemath - Flx.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30571-c0dfe82732) Lines: 2553 2925 87.3 %
Date: 2025-12-08 09:22:00 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl_Xp1_powu 0
Flv_prod 0
FlxC_Fl_translate 0
FlxC_FlxqV_eval 0
FlxC_FlxqV_eval_pre 0
FlxC_Flxq_eval 0
FlxC_Flxq_eval_pre 0
FlxC_neg 0
FlxC_sub 0
FlxM_Fl_translate 0
FlxM_Flx_add_shallow 0
FlxM_max_degree 0
FlxM_max_degree_i 0
FlxM_mul 0
FlxM_neg 0
FlxM_sub 0
FlxM_to_FlxXV 0
FlxV_Flx_fromdigits 0
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_composedprod 0
Flx_convol 0
Flx_digits 0
Flx_halfgcd 0
Flx_integ 0
Flx_invBarrett 0
Flx_matFrobenius 0
Flx_powu 0
Flx_recip 0
Flx_unscale 0
Flxn_exp 0
Flxn_sqr 0
Flxn_sqr_pre 0
FlxqC_Flxq_mul 0
FlxqM_Flxq_mul 0
FlxqV_dotproduct 0
Flxq_autsum 0
Flxq_auttrace 0
Flxq_is2npower 0
Flxq_lroot 0
Flxq_lroot_fast 0
Flxq_pow_init 0
Flxq_pow_table 0
ZXV_to_FlxV 0
Z_mod2BIL_Flx_3 0
_Flx_add 0
_Flx_divrem 0
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
kron_pack_Flx_spec_3 0
kron_unpack_Flx_3 0
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
Flxq_autpow 7
RgXV_to_FlxV 7
matJ2_FlxM 13
Flxq_conjvec 20
Flxq_pow_init_pre 28
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
_Flxq_powu 68
Flx_halfgcd_all 154
Flx_sqrspec_halfsqri 325
Flxq_matrix_pow 399
ZpX_invLaplace_init 497
matid2_FlxM 911
Flxn_inv 1037
Flx_halfres_pre 1044
Flx_rescale 1117
Flxq_autpowers 1667
FlxqX_dotproduct 1918
Flx_sqrspec_sqri 2068
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxM_to_ZXM 2485
Flm_to_FlxV 2772
kron_unpack_Flx_2 2930
Flv_prod_pre 3304
kron_pack_Flx_spec_2 3389
Flxq_charpoly 3624
_Flx_composedsum 3882
Flx_powu_pre 3956
Flxq_pow_table_pre 4394
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5484
_Flxq_rand 6557
_Flxq_s 6567
Flx_FlxM_qmul 6926
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8166
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 10047
Flx_mulspec_mulii 10146
Flx_sqrspec_quartsqri 10218
Flx_Fl2_eval_pre 10773
Flx_sqrspec_sqri_inflate 11522
Flv_inv_inplace 12017
zl_Xp1_powu 12017
int_to_Flx 12216
init_invlaplace 12514
Flx_halve 14047
Flx_diff1 14448
Flx_translate1 17108
Flx_halfres_split 19964
Flxq_autpow_msqr 20696
Flxq_sqrtn_spec_pre 21901
FlxM_eval_powers_pre 22302
Flxq_sqrtn 23094
Flx_invBarrett_Newton 23160
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27340
Flx_composedsum 27545
FlxV_composedsum 28966
Flx_translate1_basecase 29202
Flx_mod_Xn1 31771
FlxV_Flc_mul 34482
Fl_Flxq_log 35549
Flxq_sqrtl_spec_pre 37666
Flxq_sumautsum_msqr 40915
translate_basecase 42367
kron_unpack_Flx 42785
Flxq_minpoly 45993
FlxM_pack_ZM 46835
Flxq_autpow_sqr 47315
Flv_inv_indir 51282
kron_pack_Flx_spec 53168
Flx_Newton 54103
Flx_invLaplace 54359
Flxn_div 55147
Flxn_div_pre 55179
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flxq_autpow_pre 69451
Flx_to_FlxX 71643
Flx_is_smooth 74256
Flxn_mul 75844
Fl2_sqrtn_pre 78372
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86486
Flx_matFrobenius_pre 86571
Flx_mulspec_quartmulii 97167
Flxq_order 97328
Flxq_autsum_pre 98770
Flv_Flm_polint 103491
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105116
int_to_Flx_quart 107385
Flx_fromNewton 109398
Flxn_expint 109402
Flxq_autsum_mul 112480
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
_Fl2_rand 118132
Flx_is_smooth_pre 118506
Flx_is_smooth_squarefree 126622
Fl2_norm_pre 128153
Flx_invBarrett_basecase 134339
Flx_extgcd_halfgcd 146650
Flx_splitting 147610
Flx_Fl_sub 151856
Flv_invVandermonde 153445
Flx_invBarrett_pre 158799
Flx_inflate 160899
Flxq_log 164217
Flxq_matrix_pow_pre 170665
FlxV_to_Flm 171883
Fl2_inv_pre 201744
Flx_to_int_quartspec 204552
Flxq_sumautsum_pre 210713
Flxn_recip 217291
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_powers 232070
FlxqC_red_pre 234845
Flxq_div 237864
Flx_mulspec_mulii_inflate 282096
get_Flxq_star 283445
Z_mod2BIL_Flx 293618
Flxq_sumautsum_sqr 295314
Z_mod2BIL_Flx_2 296548
FlxT_red 296732
FlxC_eval_powers_pre 325154
Flxq_inv 335767
Flx_sqr 354691
_Flxq_neg 366572
_Flxq_add 389834
bounded_order 395380
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416800
Flx_deflate 421055
Flx_integXn 422732
Flxq_norm 443323
Fl2_equal1 461919
Flx_to_int_halfspec 468821
Flxq_powu 488418
int_to_Flx_half 507268
Flxn_mulhigh 516659
Flx_blocks 516773
Flxq_easylog 519389
Flx_eval2BILspec 579103
Flx_divrem_Barrett 605327
FlxV_to_ZXV 606931
Flxq_auttrace_sqr 655401
Flxq_invsafe 670757
kron_pack_Flx_spec_half 688104
_Fl2_pow 689221
Fl2_pow_pre 689232
Flx_sqrspec_Kronecker 691183
Flxq_auttrace_mul 782930
Flx_Flxq_eval 791731
Flv_roots_to_pol 795640
Flxq_minpoly_pre 812472
Flx_extgcd 857304
Flx_halfgcd_pre 876278
Flx_subspec 898624
Flx_divrem_Barrettspec 906277
Flx_mulhigh_i 938410
monomial_Flx 944623
Flxq_pow 948370
Flxq_auttrace_pre 962895
Flx_triple 1049887
Flx_halfgcd_all_i 1129925
Flx_halfgcd_all_pre 1129929
Flx_halfres_basecase 1137000
Flx_halfres_i 1156968
_Flxq_rmul 1461838
Flv_polint 1486586
_Flxq_red 1550928
Rg_to_F2 1710396
Flv_inv 1744799
Flv_producttree 1746002
Flxq_transmul_init 1752497
Flv_inv_i 1756809
Flx_neg_inplace 1778757
Flx_Flv_multieval_tree 1786302
Flx_red 1883072
_Fl2_mul 1983112
Fl2_mul_pre 2012136
Flx_lgrenormalizespec 2134937
RgX_to_Flx 2250310
Flxq_div_pre 2417764
Flx_double 2445177
Flx_Flxq_eval_pre 2449865
FlvV_polint_tree 2540811
random_Flx 2652208
Flxq_sqr 2763156
FlxV_to_ZXV_inplace 3032226
Flx_negspec 3265103
Flx_neg 3265108
Rg_to_Flxq 3598684
Flx_addshift 3728641
ZXT_to_FlxT 3814114
Flxq_transmul 4227487
Flxq_inv_pre 4287582
Flx_val 4495876
Flx_resultant 4735977
Flx_mod_Xnm1 5056899
Fl2_sqr_pre 5068514
_Fl2_sqr 5068518
Flxn_mul_pre 5167826
Flxq_invsafe_pre 5432567
kron_unpack_Flx_bits_wide 5608073
kron_unpack_Flx_bits_narrow 5659389
Flx_extgcd_basecase 6289848
Flx_extgcd_pre 6289851
Flxn_red 6338848
zx_to_Flx 6540640
Flx_addspec 7257702
Flx_mulspec_Kronecker 7294424
Flx_recipspec 7306904
Flx_Fl_mul 7328621
mkF2 7551304
Z_to_Flx 7561633
maxbitcoeffpol 8408271
Flx_is_squarefree 9184367
Flx_Fl_add 10031096
_Flx_mul 11008819
Flx_Fl_mul_to_monic 12030940
Flx_blocks_Flm 12988255
FlxV_to_Flm_lg 12989355
Flx_FlxqV_eval_pre 13187781
Flxq_mul 13192552
Flx_Frobenius_pre 13819633
Flx_get_red 14511574
Flx_resultant_basecase_pre 14622091
Flx_resultant_pre 14624160
Flx_Fl_mul_pre 18298861
Flv_inv_pre_inplace 19677885
Flx_eval 20412494
kron_pack_Flx_spec_bits 20873231
Fl_to_Flx 21212625
Flv_inv_pre_indir 21406285
_Flxq_pow 22371979
Flxq_pow_Frobenius 22379389
_Flxq_one 22453956
Flxq_powers_pre 22454183
Flx_deriv 22989879
_Flxq_powu_i 23113957
Flxq_pow_pre 23442942
Flxq_powu_pre 24368463
Flv_to_Flx 25521645
Flx_equal 26925239
Flx_shift 27422953
Flx_valrem 27438539
Flx_mul 27829047
Flx_divrem 30449773
Flx_gcd 34265227
Flx_div_by_X_x 34757052
Flx_to_ZX_inplace 36570321
Flx_to_ZX 38307095
Flx_rem 42220988
Flx_eval_powers_pre 48635716
Flx_divrem_basecase 62330140
Flx_normalize 63999296
Flx_add 64924741
Flx_to_Flv 66713767
set_Flxq_pre 69561016
Rg_to_Fl 73223200
Flx_divrem_pre 79760054
Flx_gcd_basecase 85204041
Flx_gcd_pre 86870618
Flx_get_red_pre 97344180
Flx_eval_pre 136367433
Flx_sub 138711600
_Flxq_mul 147831388
ZX_to_Flx 171019468
Flxq_mul_pre 189038562
_Flxq_sqr 269761703
Flxq_sqr_pre 277576861
Flx_sqr_pre 278541949
Flx_sqrspec 278880074
Flx_sqrspec_basecase 278912040
Flx_mulspec_basecase 345469173
Flx_mul_pre 377133228
Flx_mulspec 382839936
Flx_shiftip 632539508
Flx_rem_basecase 801325844
Flx_rem_pre 925513995
get_Flx_red 989524882
Flx_mullimb 1187826884
Flx_renormalize 2152894238
get_Fl_threshold 2327600554
Flx_mullimb_ok 3377353329

Generated by: LCOV version 1.16