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 30462-6c568f4018) Lines: 2553 2914 87.6 %
Date: 2025-08-10 09:24:05 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462720
Fl2_inv_pre 202063
Fl2_mul_pre 2014106
Fl2_norm_pre 128050
Fl2_pow_pre 690336
Fl2_sqr_pre 5074475
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78453
Fl_Flxq_log 35534
Fl_Xp1_powu 0
Fl_to_Flx 21223429
Flm_to_FlxV 2772
FlvV_polint_tree 2540672
Flv_Flm_polint 103475
Flv_inv 1744759
Flv_invVandermonde 153445
Flv_inv_i 1756764
Flv_inv_indir 51276
Flv_inv_inplace 12017
Flv_inv_pre 10047
Flv_inv_pre_indir 21347702
Flv_inv_pre_inplace 19608766
Flv_polint 1486553
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745956
Flv_roots_to_pol 795592
Flv_to_Flx 25485350
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 325155
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 297730
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 171868
FlxV_to_Flm_lg 12970089
FlxV_to_FlxX 397977
FlxV_to_ZXV 606893
FlxV_to_ZXV_inplace 3029146
Flx_Fl2_eval_pre 10528
Flx_Fl_add 10026216
Flx_Fl_mul 7326824
Flx_Fl_mul_pre 18291587
Flx_Fl_mul_to_monic 12027445
Flx_Fl_sub 151848
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786262
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13168596
Flx_Flxq_eval 790642
Flx_Flxq_eval_pre 2444587
Flx_Frobenius 86486
Flx_Frobenius_pre 13810304
Flx_Laplace 27375
Flx_Newton 54165
Flx_add 64860549
Flx_addmulmul 416642
Flx_addshift 3684967
Flx_addspec 7170354
Flx_blocks 517187
Flx_blocks_Flm 12969139
Flx_composedprod 0
Flx_composedsum 27582
Flx_convol 0
Flx_deflate 420977
Flx_deriv 22985331
Flx_diff1 13482
Flx_digits 0
Flx_div_by_X_x 34778914
Flx_divrem 30446835
Flx_divrem_Barrett 605617
Flx_divrem_Barrettspec 906728
Flx_divrem_basecase 62299066
Flx_divrem_pre 79735626
Flx_double 2445177
Flx_equal 26630991
Flx_eval 20403083
Flx_eval2BILspec 579103
Flx_eval_powers_pre 48586805
Flx_eval_pre 136356635
Flx_extgcd 857243
Flx_extgcd_basecase 6286180
Flx_extgcd_halfgcd 146588
Flx_extgcd_pre 6286182
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109427
Flx_gcd 34268675
Flx_gcd_basecase 85199383
Flx_gcd_pre 86863407
Flx_get_red 14499586
Flx_get_red_pre 96977897
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1128602
Flx_halfgcd_all_pre 1128606
Flx_halfgcd_pre 874546
Flx_halfres_basecase 1135681
Flx_halfres_i 1155646
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160949
Flx_integ 0
Flx_integXn 422845
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134338
Flx_invBarrett_pre 158801
Flx_invLaplace 54425
Flx_is_l_pow 8196
Flx_is_smooth 74256
Flx_is_smooth_pre 119060
Flx_is_smooth_squarefree 127245
Flx_is_squarefree 9183965
Flx_lgrenormalizespec 2135880
Flx_matFrobenius 0
Flx_matFrobenius_pre 86564
Flx_mod_Xn1 31763
Flx_mod_Xnm1 5056717
Flx_mul 27832333
Flx_mul_pre 376423592
Flx_mulhigh_i 939100
Flx_mullimb 1185510933
Flx_mullimb_ok 3363574731
Flx_mulspec 381963117
Flx_mulspec_Kronecker 7267200
Flx_mulspec_basecase 344535735
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10143
Flx_mulspec_mulii_inflate 282096
Flx_mulspec_quartmulii 97167
Flx_neg 3265337
Flx_neg_inplace 1756920
Flx_negspec 3265337
Flx_normalize 64002078
Flx_powu 0
Flx_powu_pre 3969
Flx_recip 0
Flx_recipspec 7297877
Flx_red 1883865
Flx_rem 42212227
Flx_rem_basecase 799860348
Flx_rem_pre 924397671
Flx_renormalize 2150549934
Flx_rescale 1117
Flx_resultant 4733943
Flx_resultant_basecase_pre 14620294
Flx_resultant_pre 14622244
Flx_shift 27396419
Flx_shiftip 631249798
Flx_splitting 147722
Flx_sqr 354686
Flx_sqr_pre 278115891
Flx_sqrspec 278314632
Flx_sqrspec_Kronecker 691196
Flx_sqrspec_basecase 278404508
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2067
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138682921
Flx_subspec 899120
Flx_to_Flv 66633824
Flx_to_FlxX 71629
Flx_to_ZX 38303372
Flx_to_ZX_inplace 36566833
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 4491434
Flx_valrem 27464405
Flxn_div 55218
Flxn_div_pre 55237
Flxn_exp 0
Flxn_expint 109429
Flxn_inv 1037
Flxn_mul 75874
Flxn_mul_pre 5164615
Flxn_mulhigh 517094
Flxn_recip 217491
Flxn_red 6336334
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 67487
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 782903
Flxq_auttrace_pre 962493
Flxq_auttrace_sqr 655356
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417763
Flxq_easylog 519217
Flxq_inv 335769
Flxq_inv_pre 4284267
Flxq_invsafe 670577
Flxq_invsafe_pre 5428957
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 170654
Flxq_minpoly 44915
Flxq_minpoly_pre 810950
Flxq_mul 13191029
Flxq_mul_pre 188391248
Flxq_norm 443336
Flxq_order 97328
Flxq_pow 948311
Flxq_pow_Frobenius 22070463
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23127627
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232073
Flxq_powers_pre 22434722
Flxq_powu 488423
Flxq_powu_pre 24359903
Flxq_sqr 2759493
Flxq_sqr_pre 277216681
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 35706
Flxq_sqrtn 20455
Flxq_sqrtn_spec_pre 19261
Flxq_sumautsum_msqr 40558
Flxq_sumautsum_pre 208704
Flxq_sumautsum_sqr 292682
Flxq_trace 4696
Flxq_transmul 4218903
Flxq_transmul_init 1749050
RgXV_to_FlxV 7
RgX_to_Flx 2250314
Rg_to_F2 1706984
Rg_to_Fl 73224415
Rg_to_Flxq 3598604
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3814321
ZXV_to_FlxV 0
ZX_to_Flx 171017462
Z_mod2BIL_Flx 293618
Z_mod2BIL_Flx_2 296548
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561206
ZpX_invLaplace_init 497
_Fl2_mul 1985660
_Fl2_pow 690333
_Fl2_rand 118278
_Fl2_sqr 5074496
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 11007952
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 147221090
_Flxq_neg 366572
_Flxq_one 22434104
_Flxq_pow 22063055
_Flxq_powu 68
_Flxq_powu_i 23103711
_Flxq_rand 5592
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 269409756
bounded_order 394055
gener_Flxq 7201
get_Fl_threshold 2322597302
get_Flx_red 988367708
get_Flxq_field 68902
get_Flxq_star 280806
init_invlaplace 12514
int_to_Flx 12216
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 20818528
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 5660294
kron_unpack_Flx_bits_wide 5579224
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8380185
mkF2 7559001
monomial_Flx 942966
random_Flx 2647087
set_Flxq 68922
set_Flxq_pre 69222936
translate_basecase 41401
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6532137

Generated by: LCOV version 1.16