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 30502-9830c20844) Lines: 2553 2914 87.6 %
Date: 2025-09-26 09:23:58 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462620
Fl2_inv_pre 202000
Fl2_mul_pre 2013600
Fl2_norm_pre 128048
Fl2_pow_pre 690151
Fl2_sqr_pre 5073384
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78403
Fl_Flxq_log 35541
Fl_Xp1_powu 0
Fl_to_Flx 21216770
Flm_to_FlxV 2772
FlvV_polint_tree 2540676
Flv_Flm_polint 103474
Flv_inv 1744765
Flv_invVandermonde 153445
Flv_inv_i 1756780
Flv_inv_indir 51282
Flv_inv_inplace 12017
Flv_inv_pre 10046
Flv_inv_pre_indir 21363147
Flv_inv_pre_inplace 19632903
Flv_polint 1486568
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745966
Flv_roots_to_pol 795610
Flv_to_Flx 25485217
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 325141
FlxC_neg 0
FlxC_sub 0
FlxC_to_ZXC 104060
FlxM_Fl_translate 0
FlxM_Flx_add_shallow 0
FlxM_Flx_mul2 25999
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 297701
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28996
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171877
FlxV_to_Flm_lg 12970185
FlxV_to_FlxX 397977
FlxV_to_ZXV 606876
FlxV_to_ZXV_inplace 3031378
Flx_Fl2_eval_pre 10528
Flx_Fl_add 10026438
Flx_Fl_mul 7326491
Flx_Fl_mul_pre 18289816
Flx_Fl_mul_to_monic 12026336
Flx_Fl_sub 151843
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786265
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13168733
Flx_Flxq_eval 790632
Flx_Flxq_eval_pre 2444596
Flx_Frobenius 86486
Flx_Frobenius_pre 13811569
Flx_Laplace 27361
Flx_Newton 54161
Flx_add 64865593
Flx_addmulmul 416637
Flx_addshift 3684967
Flx_addspec 7170354
Flx_blocks 517096
Flx_blocks_Flm 12969391
Flx_composedprod 0
Flx_composedsum 27579
Flx_convol 0
Flx_deflate 420983
Flx_deriv 22985776
Flx_diff1 13482
Flx_digits 0
Flx_div_by_X_x 34776219
Flx_divrem 30451156
Flx_divrem_Barrett 605611
Flx_divrem_Barrettspec 906115
Flx_divrem_basecase 62296883
Flx_divrem_pre 79733435
Flx_double 2445177
Flx_equal 27717371
Flx_eval 20420378
Flx_eval2BILspec 579089
Flx_eval_powers_pre 48551113
Flx_eval_pre 136385161
Flx_extgcd 857242
Flx_extgcd_basecase 6286312
Flx_extgcd_halfgcd 146586
Flx_extgcd_pre 6286306
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109426
Flx_gcd 34258236
Flx_gcd_basecase 85198857
Flx_gcd_pre 86858221
Flx_get_red 14503085
Flx_get_red_pre 98071007
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1128010
Flx_halfgcd_all_pre 1128010
Flx_halfgcd_pre 874477
Flx_halfres_basecase 1135089
Flx_halfres_i 1155054
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160642
Flx_integ 0
Flx_integXn 422833
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134340
Flx_invBarrett_pre 158800
Flx_invLaplace 54416
Flx_is_l_pow 8138
Flx_is_smooth 74256
Flx_is_smooth_pre 118267
Flx_is_smooth_squarefree 126376
Flx_is_squarefree 9183962
Flx_lgrenormalizespec 2134890
Flx_matFrobenius 0
Flx_matFrobenius_pre 86561
Flx_mod_Xn1 31764
Flx_mod_Xnm1 5056819
Flx_mul 27823111
Flx_mul_pre 378567760
Flx_mulhigh_i 938878
Flx_mullimb 1185415467
Flx_mullimb_ok 3397672424
Flx_mulspec 384231878
Flx_mulspec_Kronecker 7265368
Flx_mulspec_basecase 346897836
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10144
Flx_mulspec_mulii_inflate 282089
Flx_mulspec_quartmulii 97179
Flx_neg 3265392
Flx_neg_inplace 1756920
Flx_negspec 3265390
Flx_normalize 64002341
Flx_powu 0
Flx_powu_pre 3972
Flx_recip 0
Flx_recipspec 7296017
Flx_red 1883894
Flx_rem 42212782
Flx_rem_basecase 803618314
Flx_rem_pre 927808452
Flx_renormalize 2157485572
Flx_rescale 1117
Flx_resultant 4734292
Flx_resultant_basecase_pre 14620173
Flx_resultant_pre 14622337
Flx_shift 27396547
Flx_shiftip 634503024
Flx_splitting 147720
Flx_sqr 354701
Flx_sqr_pre 279138732
Flx_sqrspec 279465811
Flx_sqrspec_Kronecker 691239
Flx_sqrspec_basecase 279497701
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2067
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138673306
Flx_subspec 898674
Flx_to_Flv 66639485
Flx_to_FlxX 71629
Flx_to_ZX 38306692
Flx_to_ZX_inplace 36573728
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204576
Flx_translate1 16142
Flx_translate1_basecase 28236
Flx_triple 1049887
Flx_unscale 0
Flx_val 4487745
Flx_valrem 27457020
Flxn_div 55201
Flxn_div_pre 55232
Flxn_exp 0
Flxn_expint 109431
Flxn_inv 1037
Flxn_mul 75871
Flxn_mul_pre 5163492
Flxn_mulhigh 516982
Flxn_recip 217407
Flxn_red 6335585
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 67488
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 782862
Flxq_auttrace_pre 962495
Flxq_auttrace_sqr 655346
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519256
Flxq_inv 335773
Flxq_inv_pre 4284314
Flxq_invsafe 670638
Flxq_invsafe_pre 5429072
Flxq_is2npower 0
Flxq_issquare 404492
Flxq_log 164217
Flxq_lroot 0
Flxq_lroot_fast 0
Flxq_lroot_fast_pre 113589
Flxq_lroot_pre 25053
Flxq_matrix_pow 399
Flxq_matrix_pow_pre 170660
Flxq_minpoly 44915
Flxq_minpoly_pre 810951
Flxq_mul 13191060
Flxq_mul_pre 190479246
Flxq_norm 443332
Flxq_order 97328
Flxq_pow 948378
Flxq_pow_Frobenius 23161017
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 24218276
Flxq_pow_table 0
Flxq_pow_table_pre 4392
Flxq_powers 232055
Flxq_powers_pre 22436955
Flxq_powu 488420
Flxq_powu_pre 24357157
Flxq_sqr 2759497
Flxq_sqr_pre 278173400
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 4218684
Flxq_transmul_init 1748936
RgXV_to_FlxV 7
RgX_to_Flx 2250318
Rg_to_F2 1706990
Rg_to_Fl 73224252
Rg_to_Flxq 3598596
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3814462
ZXV_to_FlxV 0
ZX_to_Flx 171031337
Z_mod2BIL_Flx 293611
Z_mod2BIL_Flx_2 296541
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561360
ZpX_invLaplace_init 497
_Fl2_mul 1985158
_Fl2_pow 690147
_Fl2_rand 118280
_Fl2_sqr 5073358
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 11008437
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 149303190
_Flxq_neg 366572
_Flxq_one 22437849
_Flxq_pow 23153609
_Flxq_powu 68
_Flxq_powu_i 23101845
_Flxq_rand 5590
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 270364949
bounded_order 394056
gener_Flxq 7201
get_Fl_threshold 2335194212
get_Flx_red 991830520
get_Flxq_field 68902
get_Flxq_star 280807
init_invlaplace 12514
int_to_Flx 12215
int_to_Flx_half 507268
int_to_Flx_quart 107397
kron_pack_Flx_spec 53168
kron_pack_Flx_spec_2 3389
kron_pack_Flx_spec_3 0
kron_pack_Flx_spec_bits 20815295
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 5660278
kron_unpack_Flx_bits_wide 5578085
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8379162
mkF2 7557714
monomial_Flx 942902
random_Flx 2647062
set_Flxq 68922
set_Flxq_pre 70313065
translate_basecase 41401
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6534028

Generated by: LCOV version 1.16