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 30504-e6f76a2795) Lines: 2553 2914 87.6 %
Date: 2025-09-29 09:23:05 Functions: 304 359 84.7 %
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_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_divrem 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 2066
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 3910
Flx_powu_pre 3932
Flxq_pow_table_pre 4392
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5484
_Flxq_rand 5584
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8129
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 10048
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 12214
init_invlaplace 12514
Flx_halve 14047
Flx_diff1 14448
Flx_translate1 17108
Flxq_sqrtn_spec_pre 19262
Flx_halfres_split 19964
Flxq_sqrtn 20456
Flxq_autpow_msqr 20696
FlxM_eval_powers_pre 22302
Flx_invBarrett_Newton 23160
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27378
Flx_composedsum 27576
FlxV_composedsum 28991
Flx_translate1_basecase 29202
Flx_mod_Xn1 31763
FlxV_Flc_mul 34482
Fl_Flxq_log 35534
Flxq_sqrtl_spec_pre 35707
Flxq_sumautsum_msqr 40558
translate_basecase 42367
kron_unpack_Flx 42785
Flxq_minpoly 44915
Flxq_autpow_sqr 46249
FlxM_pack_ZM 46835
Flv_inv_indir 51283
kron_pack_Flx_spec 53168
Flx_Newton 54156
Flx_invLaplace 54435
Flxn_div 55216
Flxn_div_pre 55247
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
Flxq_autpow_pre 67490
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flx_to_FlxX 71629
Flx_is_smooth 74256
Flxn_mul 75873
Fl2_sqrtn_pre 78487
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86482
Flx_matFrobenius_pre 86566
Flx_mulspec_quartmulii 97165
Flxq_order 97328
Flxq_autsum_pre 98768
Flv_Flm_polint 103478
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105110
int_to_Flx_quart 107385
Flx_fromNewton 109427
Flxn_expint 109430
Flxq_autsum_mul 112472
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 118462
_Fl2_rand 118527
Flx_is_smooth_squarefree 126542
Fl2_norm_pre 128197
Flx_invBarrett_basecase 134338
Flx_extgcd_halfgcd 146587
Flx_splitting 147433
Flx_Fl_sub 151842
Flv_invVandermonde 153445
Flx_invBarrett_pre 158798
Flx_inflate 160261
Flxq_log 164217
Flxq_matrix_pow_pre 170655
FlxV_to_Flm 171876
Fl2_inv_pre 202380
Flx_to_int_quartspec 204549
Flxq_sumautsum_pre 208704
Flxn_recip 217446
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_powers 232056
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 280807
Flx_mulspec_mulii_inflate 282081
Flxq_sumautsum_sqr 292682
Z_mod2BIL_Flx 293603
FlxT_red 295143
Z_mod2BIL_Flx_2 296533
FlxC_eval_powers_pre 325157
Flxq_inv 335767
Flx_sqr 354633
_Flxq_neg 366572
_Flx_add 389834
bounded_order 394045
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416639
Flx_deflate 420985
Flx_integXn 422826
Flxq_norm 443329
Fl2_equal1 463626
Flx_to_int_halfspec 468821
Flxq_powu 488414
int_to_Flx_half 507268
Flxn_mulhigh 517048
Flx_blocks 517147
Flxq_easylog 519192
Flx_eval2BILspec 579073
Flx_divrem_Barrett 604899
FlxV_to_ZXV 606896
Flxq_auttrace_sqr 655389
Flxq_invsafe 670643
kron_pack_Flx_spec_half 688104
Flx_sqrspec_Kronecker 691163
_Fl2_pow 691523
Fl2_pow_pre 691526
Flxq_auttrace_mul 782939
Flx_Flxq_eval 790604
Flv_roots_to_pol 795688
Flxq_minpoly_pre 810964
Flx_extgcd 857243
Flx_halfgcd_pre 874597
Flx_subspec 897918
Flx_divrem_Barrettspec 905503
Flx_mulhigh_i 938952
monomial_Flx 943021
Flxq_pow 948270
Flxq_auttrace_pre 962579
Flx_triple 1049887
Flx_halfgcd_all_pre 1128494
Flx_halfgcd_all_i 1128497
Flx_halfres_basecase 1135575
Flx_halfres_i 1155541
_Flxq_rmul 1461838
Flv_polint 1486567
_Flxq_red 1550928
Rg_to_F2 1706935
Flv_inv 1744770
Flv_producttree 1745972
Flxq_transmul_init 1749176
Flv_inv_i 1756786
Flx_neg_inplace 1756920
Flx_Flv_multieval_tree 1786273
Flx_red 1881615
_Fl2_mul 1989069
Fl2_mul_pre 2018074
Flx_lgrenormalizespec 2133642
RgX_to_Flx 2250311
Flxq_div_pre 2417764
Flx_Flxq_eval_pre 2444574
Flx_double 2445177
FlvV_polint_tree 2540790
random_Flx 2647267
Flxq_sqr 2759494
FlxV_to_ZXV_inplace 3031312
Flx_neg 3264620
Flx_negspec 3264631
Rg_to_Flxq 3598612
Flx_addshift 3684967
ZXT_to_FlxT 3813578
Flxq_transmul 4219046
Flxq_inv_pre 4284229
Flx_val 4491270
Flx_resultant 4735187
Flx_mod_Xnm1 5056937
Fl2_sqr_pre 5082952
_Fl2_sqr 5083033
Flxn_mul_pre 5164417
Flxq_invsafe_pre 5428967
kron_unpack_Flx_bits_wide 5578529
kron_unpack_Flx_bits_narrow 5658109
Flx_extgcd_pre 6286188
Flx_extgcd_basecase 6286204
Flxn_red 6336429
zx_to_Flx 6538514
Flx_addspec 7170354
Flx_mulspec_Kronecker 7263438
Flx_recipspec 7295324
Flx_Fl_mul 7326731
Z_to_Flx 7561131
mkF2 7573000
maxbitcoeffpol 8377631
Flx_is_squarefree 9183966
Flx_Fl_add 10030172
_Flx_mul 11012981
Flx_Fl_mul_to_monic 12028662
Flx_blocks_Flm 12969399
FlxV_to_Flm_lg 12970408
Flx_FlxqV_eval_pre 13168911
Flxq_mul 13191059
Flx_Frobenius_pre 13811149
Flx_get_red 14502467
Flx_resultant_basecase_pre 14621039
Flx_resultant_pre 14623124
Flx_Fl_mul_pre 18290279
Flv_inv_pre_inplace 19697422
Flx_eval 20396944
kron_pack_Flx_spec_bits 20811112
Fl_to_Flx 21215657
Flv_inv_pre_indir 21432081
_Flxq_pow 21939904
Flxq_pow_Frobenius 21947310
_Flxq_one 22435826
Flxq_powers_pre 22435953
Flx_deriv 22986113
Flxq_pow_pre 23004456
_Flxq_powu_i 23103491
Flxq_powu_pre 24358810
Flv_to_Flx 25484770
Flx_equal 26499031
Flx_shift 27397281
Flx_valrem 27426021
Flx_mul 27827777
Flx_divrem 30447489
Flx_gcd 34260032
Flx_div_by_X_x 34771940
Flx_to_ZX_inplace 36568271
Flx_to_ZX 38304422
Flx_rem 42193688
Flx_eval_powers_pre 48606093
Flx_divrem_basecase 62299635
Flx_normalize 63972003
Flx_add 64866697
Flx_to_Flv 66637775
set_Flxq_pre 69098143
Rg_to_Fl 73224297
Flx_divrem_pre 79729119
Flx_gcd_basecase 85197226
Flx_gcd_pre 86855943
Flx_get_red_pre 96852142
Flx_eval_pre 136348644
Flx_sub 138677166
_Flxq_mul 146888194
ZX_to_Flx 171003706
Flxq_mul_pre 188062560
_Flxq_sqr 269151263
Flxq_sqr_pre 276951419
Flx_sqr_pre 277913155
Flx_sqrspec 278257997
Flx_sqrspec_basecase 278324200
Flx_mulspec_basecase 344431333
Flx_mul_pre 376096922
Flx_mulspec 381746197
Flx_shiftip 630960311
Flx_rem_basecase 799883232
Flx_rem_pre 924104942
get_Flx_red 988148517
Flx_mullimb 1183265621
Flx_renormalize 2149931362
get_Fl_threshold 2322588739
Flx_mullimb_ok 3364228306

Generated by: LCOV version 1.16