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 30536-6f6fcf9613) Lines: 2553 2914 87.6 %
Date: 2025-11-01 09:21:23 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462436
Fl2_inv_pre 201980
Fl2_mul_pre 2013547
Fl2_norm_pre 128179
Fl2_pow_pre 689949
Fl2_sqr_pre 5070906
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78416
Fl_Flxq_log 35552
Fl_Xp1_powu 0
Fl_to_Flx 21226480
Flm_to_FlxV 2772
FlvV_polint_tree 2540766
Flv_Flm_polint 103477
Flv_inv 1744752
Flv_invVandermonde 153445
Flv_inv_i 1756765
Flv_inv_indir 51282
Flv_inv_inplace 12017
Flv_inv_pre 10049
Flv_inv_pre_indir 21426882
Flv_inv_pre_inplace 19716066
Flv_polint 1486548
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745954
Flv_roots_to_pol 795705
Flv_to_Flx 25485178
FlxC_Fl_translate 0
FlxC_FlxqV_eval 0
FlxC_FlxqV_eval_pre 0
FlxC_Flxq_eval 0
FlxC_Flxq_eval_pre 0
FlxC_eval_powers_pre 325158
FlxC_neg 0
FlxC_sub 0
FlxC_to_ZXC 104060
FlxM_Fl_translate 0
FlxM_Flx_add_shallow 0
FlxM_Flx_mul2 26000
FlxM_eval_powers_pre 22302
FlxM_max_degree 0
FlxM_max_degree_i 0
FlxM_mul 0
FlxM_mul2 7099
FlxM_mul_Kronecker_i 81581
FlxM_neg 0
FlxM_pack_ZM 46835
FlxM_pack_ZM_bits 116239
FlxM_sub 0
FlxM_to_FlxXV 0
FlxM_to_ZXM 2485
FlxT_red 294627
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28990
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171879
FlxV_to_Flm_lg 12969877
FlxV_to_FlxX 397977
FlxV_to_ZXV 606899
FlxV_to_ZXV_inplace 3031328
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10027553
Flx_Fl_mul 7326439
Flx_Fl_mul_pre 18290407
Flx_Fl_mul_to_monic 12027981
Flx_Fl_sub 151837
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786246
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13168879
Flx_Flxq_eval 790626
Flx_Flxq_eval_pre 2444606
Flx_Frobenius 86484
Flx_Frobenius_pre 13809422
Flx_Laplace 27379
Flx_Newton 54155
Flx_add 64865809
Flx_addmulmul 416640
Flx_addshift 3684967
Flx_addspec 7170354
Flx_blocks 517286
Flx_blocks_Flm 12969336
Flx_composedprod 0
Flx_composedsum 27578
Flx_convol 0
Flx_deflate 420996
Flx_deriv 22987126
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34766723
Flx_divrem 30450270
Flx_divrem_Barrett 604762
Flx_divrem_Barrettspec 905743
Flx_divrem_basecase 62296791
Flx_divrem_pre 79734309
Flx_double 2445177
Flx_equal 28428676
Flx_eval 20399881
Flx_eval2BILspec 579085
Flx_eval_powers_pre 48591286
Flx_eval_pre 136377222
Flx_extgcd 857246
Flx_extgcd_basecase 6286175
Flx_extgcd_halfgcd 146588
Flx_extgcd_pre 6286189
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109431
Flx_gcd 34271122
Flx_gcd_basecase 85209339
Flx_gcd_pre 86874333
Flx_get_red 14500962
Flx_get_red_pre 98777496
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1128439
Flx_halfgcd_all_pre 1128447
Flx_halfgcd_pre 874538
Flx_halfres_basecase 1135520
Flx_halfres_i 1155482
Flx_halfres_pre 1043
Flx_halfres_split 19963
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160387
Flx_integ 0
Flx_integXn 422884
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134339
Flx_invBarrett_pre 158801
Flx_invLaplace 54423
Flx_is_l_pow 8201
Flx_is_smooth 74256
Flx_is_smooth_pre 118728
Flx_is_smooth_squarefree 126959
Flx_is_squarefree 9183988
Flx_lgrenormalizespec 2133698
Flx_matFrobenius 0
Flx_matFrobenius_pre 86566
Flx_mod_Xn1 31764
Flx_mod_Xnm1 5057143
Flx_mul 27828076
Flx_mul_pre 380176953
Flx_mulhigh_i 939218
Flx_mullimb 1183049297
Flx_mullimb_ok 3429587491
Flx_mulspec 385717390
Flx_mulspec_Kronecker 7264867
Flx_mulspec_basecase 348167865
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10140
Flx_mulspec_mulii_inflate 282087
Flx_mulspec_quartmulii 97166
Flx_neg 3264719
Flx_neg_inplace 1756920
Flx_negspec 3264713
Flx_normalize 64002162
Flx_powu 0
Flx_powu_pre 3923
Flx_recip 0
Flx_recipspec 7295759
Flx_red 1881129
Flx_rem 42216396
Flx_rem_basecase 805408920
Flx_rem_pre 930072409
Flx_renormalize 2160901251
Flx_rescale 1117
Flx_resultant 4735148
Flx_resultant_basecase_pre 14621447
Flx_resultant_pre 14623327
Flx_shift 27398651
Flx_shiftip 636729348
Flx_splitting 147382
Flx_sqr 354634
Flx_sqr_pre 280582662
Flx_sqrspec 280696790
Flx_sqrspec_Kronecker 691161
Flx_sqrspec_basecase 279942594
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2069
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138678200
Flx_subspec 898198
Flx_to_Flv 66638658
Flx_to_FlxX 71629
Flx_to_ZX 38305863
Flx_to_ZX_inplace 36575286
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204550
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4490856
Flx_valrem 27462314
Flxn_div 55228
Flxn_div_pre 55239
Flxn_exp 0
Flxn_expint 109429
Flxn_inv 1037
Flxn_mul 75871
Flxn_mul_pre 5165226
Flxn_mulhigh 517211
Flxn_recip 217471
Flxn_red 6336896
Flxn_sqr 0
Flxn_sqr_pre 0
FlxqC_Flxq_mul 0
FlxqC_red_pre 234845
FlxqM_Flxq_mul 0
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
FlxqV_dotproduct 0
FlxqV_dotproduct_pre 113589
FlxqX_dotproduct 1918
Flxq_autpow 7
Flxq_autpow_msqr 20696
Flxq_autpow_pre 67490
Flxq_autpow_sqr 46249
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112472
Flxq_autsum_pre 98768
Flxq_autsum_sqr 105110
Flxq_auttrace 0
Flxq_auttrace_mul 782872
Flxq_auttrace_pre 962473
Flxq_auttrace_sqr 655351
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519225
Flxq_inv 335771
Flxq_inv_pre 4284265
Flxq_invsafe 670606
Flxq_invsafe_pre 5428953
Flxq_is2npower 0
Flxq_issquare 404492
Flxq_log 164216
Flxq_lroot 0
Flxq_lroot_fast 0
Flxq_lroot_fast_pre 113589
Flxq_lroot_pre 25053
Flxq_matrix_pow 399
Flxq_matrix_pow_pre 170659
Flxq_minpoly 44915
Flxq_minpoly_pre 810924
Flxq_mul 13191051
Flxq_mul_pre 192067428
Flxq_norm 443328
Flxq_order 97328
Flxq_pow 948334
Flxq_pow_Frobenius 23871735
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 24928940
Flxq_pow_table 0
Flxq_pow_table_pre 4392
Flxq_powers 232057
Flxq_powers_pre 22434661
Flxq_powu 488411
Flxq_powu_pre 24359607
Flxq_sqr 2759485
Flxq_sqr_pre 279605193
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 35707
Flxq_sqrtn 20456
Flxq_sqrtn_spec_pre 19262
Flxq_sumautsum_msqr 40558
Flxq_sumautsum_pre 208704
Flxq_sumautsum_sqr 292682
Flxq_trace 4696
Flxq_transmul 4218814
Flxq_transmul_init 1749052
RgXV_to_FlxV 7
RgX_to_Flx 2250304
Rg_to_F2 1706924
Rg_to_Fl 73224363
Rg_to_Flxq 3598575
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813637
ZXV_to_FlxV 0
ZX_to_Flx 171023509
Z_mod2BIL_Flx 293609
Z_mod2BIL_Flx_2 296539
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561260
ZpX_invLaplace_init 497
_Fl2_mul 1984515
_Fl2_pow 689936
_Fl2_rand 118164
_Fl2_sqr 5070842
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 11013109
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 150854097
_Flxq_neg 366572
_Flxq_one 22433653
_Flxq_pow 23864329
_Flxq_powu 68
_Flxq_powu_i 23103874
_Flxq_rand 5564
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 271606282
bounded_order 394028
gener_Flxq 7201
get_Fl_threshold 2342687439
get_Flx_red 994056404
get_Flxq_field 68902
get_Flxq_star 280806
init_invlaplace 12514
int_to_Flx 12215
int_to_Flx_half 507268
int_to_Flx_quart 107385
kron_pack_Flx_spec 53168
kron_pack_Flx_spec_2 3389
kron_pack_Flx_spec_3 0
kron_pack_Flx_spec_bits 20814630
kron_pack_Flx_spec_half 688104
kron_unpack_Flx 42785
kron_unpack_Flx_2 2930
kron_unpack_Flx_3 0
kron_unpack_Flx_bits_narrow 5657677
kron_unpack_Flx_bits_wide 5581122
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8378117
mkF2 7556130
monomial_Flx 942966
random_Flx 2647070
set_Flxq 68922
set_Flxq_pre 71021211
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6541316

Generated by: LCOV version 1.16