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 30438-dbd0fb03e8) Lines: 2553 2914 87.6 %
Date: 2025-08-04 09:23:24 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462671
Fl2_inv_pre 201985
Fl2_mul_pre 2014296
Fl2_norm_pre 128075
Fl2_pow_pre 690261
Fl2_sqr_pre 5074695
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78430
Fl_Flxq_log 35521
Fl_Xp1_powu 0
Fl_to_Flx 21206557
Flm_to_FlxV 2772
FlvV_polint_tree 2540761
Flv_Flm_polint 103477
Flv_inv 1744769
Flv_invVandermonde 153445
Flv_inv_i 1756780
Flv_inv_indir 51280
Flv_inv_inplace 12017
Flv_inv_pre 10048
Flv_inv_pre_indir 21374897
Flv_inv_pre_inplace 19641907
Flv_polint 1486571
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745977
Flv_roots_to_pol 795636
Flv_to_Flx 25483933
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 294643
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 171886
FlxV_to_Flm_lg 12969484
FlxV_to_FlxX 397977
FlxV_to_ZXV 606886
FlxV_to_ZXV_inplace 3028147
Flx_Fl2_eval_pre 10528
Flx_Fl_add 10024955
Flx_Fl_mul 7326097
Flx_Fl_mul_pre 18289213
Flx_Fl_mul_to_monic 12022609
Flx_Fl_sub 151841
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786280
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13168062
Flx_Flxq_eval 790607
Flx_Flxq_eval_pre 2444094
Flx_Frobenius 86486
Flx_Frobenius_pre 13805525
Flx_Laplace 27372
Flx_Newton 54162
Flx_add 64849093
Flx_addmulmul 416636
Flx_addshift 3684967
Flx_addspec 7170354
Flx_blocks 517051
Flx_blocks_Flm 12968490
Flx_composedprod 0
Flx_composedsum 27572
Flx_convol 0
Flx_deflate 420955
Flx_deriv 22979972
Flx_diff1 13482
Flx_digits 0
Flx_div_by_X_x 34747756
Flx_divrem 30447745
Flx_divrem_Barrett 604769
Flx_divrem_Barrettspec 905291
Flx_divrem_basecase 62278746
Flx_divrem_pre 79714555
Flx_double 2445177
Flx_equal 26223894
Flx_eval 20418533
Flx_eval2BILspec 579105
Flx_eval_powers_pre 48594216
Flx_eval_pre 136375379
Flx_extgcd 857241
Flx_extgcd_basecase 6286189
Flx_extgcd_halfgcd 146585
Flx_extgcd_pre 6286169
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109424
Flx_gcd 34254344
Flx_gcd_basecase 85168250
Flx_gcd_pre 86827136
Flx_get_red 14492973
Flx_get_red_pre 96539229
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1127742
Flx_halfgcd_all_pre 1127741
Flx_halfgcd_pre 874280
Flx_halfres_basecase 1134820
Flx_halfres_i 1154786
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160367
Flx_integ 0
Flx_integXn 422819
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134339
Flx_invBarrett_pre 158799
Flx_invLaplace 54441
Flx_is_l_pow 8179
Flx_is_smooth 74256
Flx_is_smooth_pre 118307
Flx_is_smooth_squarefree 126442
Flx_is_squarefree 9183815
Flx_lgrenormalizespec 2133122
Flx_matFrobenius 0
Flx_matFrobenius_pre 86569
Flx_mod_Xn1 31764
Flx_mod_Xnm1 5056572
Flx_mul 27818812
Flx_mul_pre 375455439
Flx_mulhigh_i 938824
Flx_mullimb 1183151011
Flx_mullimb_ok 3358870643
Flx_mulspec 381127157
Flx_mulspec_Kronecker 7263040
Flx_mulspec_basecase 343852574
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10145
Flx_mulspec_mulii_inflate 282097
Flx_mulspec_quartmulii 97166
Flx_neg 3264688
Flx_neg_inplace 1756920
Flx_negspec 3264680
Flx_normalize 63948733
Flx_powu 0
Flx_powu_pre 3924
Flx_recip 0
Flx_recipspec 7292771
Flx_red 1881110
Flx_rem 42197682
Flx_rem_basecase 798963459
Flx_rem_pre 923082249
Flx_renormalize 2147607046
Flx_rescale 1117
Flx_resultant 4734083
Flx_resultant_basecase_pre 14619927
Flx_resultant_pre 14621860
Flx_shift 27387963
Flx_shiftip 629992216
Flx_splitting 147381
Flx_sqr 354624
Flx_sqr_pre 277511400
Flx_sqrspec 277852019
Flx_sqrspec_Kronecker 691172
Flx_sqrspec_basecase 277957699
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2070
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138654187
Flx_subspec 897656
Flx_to_Flv 66628705
Flx_to_FlxX 71629
Flx_to_ZX 38300548
Flx_to_ZX_inplace 36571261
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204552
Flx_translate1 16142
Flx_translate1_basecase 28236
Flx_triple 1049887
Flx_unscale 0
Flx_val 4491166
Flx_valrem 27422663
Flxn_div 55203
Flxn_div_pre 55234
Flxn_exp 0
Flxn_expint 109430
Flxn_inv 1037
Flxn_mul 75870
Flxn_mul_pre 5162938
Flxn_mulhigh 516954
Flxn_recip 217423
Flxn_red 6334211
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 67492
Flxq_autpow_sqr 46253
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112476
Flxq_autsum_pre 98772
Flxq_autsum_sqr 105114
Flxq_auttrace 0
Flxq_auttrace_mul 782906
Flxq_auttrace_pre 962246
Flxq_auttrace_sqr 655343
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519197
Flxq_inv 335770
Flxq_inv_pre 4284244
Flxq_invsafe 670643
Flxq_invsafe_pre 5428962
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 170666
Flxq_minpoly 44915
Flxq_minpoly_pre 810711
Flxq_mul 13191070
Flxq_mul_pre 187463838
Flxq_norm 443335
Flxq_order 97328
Flxq_pow 948341
Flxq_pow_Frobenius 21666176
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 22723403
Flxq_pow_table 0
Flxq_pow_table_pre 4394
Flxq_powers 232064
Flxq_powers_pre 22424382
Flxq_powu 488420
Flxq_powu_pre 24348831
Flxq_sqr 2759492
Flxq_sqr_pre 276538523
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 4217836
Flxq_transmul_init 1748529
RgXV_to_FlxV 7
RgX_to_Flx 2250312
Rg_to_F2 1706924
Rg_to_Fl 73224038
Rg_to_Flxq 3598590
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813612
ZXV_to_FlxV 0
ZX_to_Flx 171006709
Z_mod2BIL_Flx 293619
Z_mod2BIL_Flx_2 296549
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561357
ZpX_invLaplace_init 497
_Fl2_mul 1985854
_Fl2_pow 690244
_Fl2_rand 118315
_Fl2_sqr 5074689
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 11008034
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 146286842
_Flxq_neg 366572
_Flxq_one 22425073
_Flxq_pow 21658766
_Flxq_powu 68
_Flxq_powu_i 23092041
_Flxq_rand 5598
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 268712204
bounded_order 394066
gener_Flxq 7201
get_Fl_threshold 2319212343
get_Flx_red 987086898
get_Flxq_field 68902
get_Flxq_star 280807
init_invlaplace 12514
int_to_Flx 12217
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 20809523
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 5657646
kron_unpack_Flx_bits_wide 5577738
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8376858
mkF2 7560512
monomial_Flx 942709
random_Flx 2646608
set_Flxq 68922
set_Flxq_pre 68795679
translate_basecase 41401
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6532977

Generated by: LCOV version 1.16