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 30556-bb9f5f8fc8) Lines: 2553 2922 87.4 %
Date: 2025-11-25 09:20:50 Functions: 304 362 84.0 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462956
Fl2_inv_pre 202095
Fl2_mul_pre 2014572
Fl2_norm_pre 128169
Fl2_pow_pre 690574
Fl2_sqr_pre 5074028
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78393
Fl_Flxq_log 35544
Fl_Xp1_powu 0
Fl_to_Flx 21193327
Flm_to_FlxV 2772
FlvV_polint_tree 2539798
Flv_Flm_polint 103258
Flv_inv 1744250
Flv_invVandermonde 153445
Flv_inv_i 1756262
Flv_inv_indir 51282
Flv_inv_inplace 12017
Flv_inv_pre 10048
Flv_inv_pre_indir 21407521
Flv_inv_pre_inplace 19680828
Flv_polint 1486274
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745438
Flv_roots_to_pol 795669
Flv_to_Flx 25369116
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 325154
FlxC_neg 0
FlxC_sub 0
FlxC_to_ZXC 102363
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 74264
FlxM_neg 0
FlxM_pack_ZM 35257
FlxM_pack_ZM_bits 113183
FlxM_sub 0
FlxM_to_FlxXV 0
FlxM_to_ZXM 1894
FlxT_red 294167
FlxV_Flc_mul 34356
FlxV_Flv_multieval 2457
FlxV_Flv_multieval_tree 2457
FlxV_Flx_fromdigits 0
FlxV_composedsum 28961
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 172280
FlxV_to_Flm_lg 12903561
FlxV_to_FlxX 394876
FlxV_to_ZXV 606386
FlxV_to_ZXV_inplace 3021306
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10006254
Flx_Fl_mul 7201719
Flx_Fl_mul_pre 18134170
Flx_Fl_mul_to_monic 12007730
Flx_Fl_sub 151664
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1785566
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13101804
Flx_Flxq_eval 788990
Flx_Flxq_eval_pre 2437495
Flx_Frobenius 86100
Flx_Frobenius_pre 13768973
Flx_Laplace 27346
Flx_Newton 54101
Flx_add 64364318
Flx_addmulmul 415784
Flx_addshift 3724819
Flx_addspec 7250247
Flx_blocks 517097
Flx_blocks_Flm 12902741
Flx_composedprod 0
Flx_composedsum 27542
Flx_convol 0
Flx_deflate 419602
Flx_deriv 22942262
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34745368
Flx_divrem 30324120
Flx_divrem_Barrett 589174
Flx_divrem_Barrettspec 889783
Flx_divrem_basecase 62086754
Flx_divrem_pre 79442965
Flx_double 2445177
Flx_equal 26928717
Flx_eval 20368803
Flx_eval2BILspec 579005
Flx_eval_powers_pre 48598429
Flx_eval_pre 136287178
Flx_extgcd 851872
Flx_extgcd_basecase 6266105
Flx_extgcd_halfgcd 146433
Flx_extgcd_pre 6266113
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109401
Flx_gcd 34224735
Flx_gcd_basecase 84948317
Flx_gcd_pre 86603873
Flx_get_red 14443274
Flx_get_red_pre 97006009
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1124423
Flx_halfgcd_all_pre 1124426
Flx_halfgcd_pre 871236
Flx_halfres_basecase 1131486
Flx_halfres_i 1151466
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160265
Flx_integ 0
Flx_integXn 422795
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134277
Flx_invBarrett_pre 158713
Flx_invLaplace 54385
Flx_is_l_pow 8143
Flx_is_smooth 74256
Flx_is_smooth_pre 118443
Flx_is_smooth_squarefree 126540
Flx_is_squarefree 9165433
Flx_lgrenormalizespec 2101993
Flx_matFrobenius 0
Flx_matFrobenius_pre 86772
Flx_mod_Xn1 31654
Flx_mod_Xnm1 5057363
Flx_mul 27729962
Flx_mul_pre 376151906
Flx_mulhigh_i 938974
Flx_mullimb 1189521705
Flx_mullimb_ok 3367439324
Flx_mulspec 381724616
Flx_mulspec_Kronecker 7247033
Flx_mulspec_basecase 344480500
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10146
Flx_mulspec_mulii_inflate 282047
Flx_mulspec_quartmulii 96842
Flx_neg 2926437
Flx_neg_inplace 1777029
Flx_negspec 2926432
Flx_normalize 63840720
Flx_powu 0
Flx_powu_pre 3915
Flx_recip 0
Flx_recipspec 7243996
Flx_red 1879111
Flx_rem 42095028
Flx_rem_basecase 799810212
Flx_rem_pre 923012026
Flx_renormalize 2147635892
Flx_rescale 1117
Flx_resultant 4727391
Flx_resultant_basecase_pre 14610914
Flx_resultant_pre 14612885
Flx_shift 27256933
Flx_shiftip 631535656
Flx_splitting 147326
Flx_sqr 354916
Flx_sqr_pre 278259859
Flx_sqrspec 278552768
Flx_sqrspec_Kronecker 690499
Flx_sqrspec_basecase 278821700
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10197
Flx_sqrspec_sqri 2069
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138086354
Flx_subspec 882139
Flx_to_Flv 66312699
Flx_to_FlxX 71328
Flx_to_ZX 38195985
Flx_to_ZX_inplace 36394664
Flx_to_int_halfspec 330361
Flx_to_int_quartspec 203882
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4493533
Flx_valrem 27449196
Flxn_div 55176
Flxn_div_pre 55195
Flxn_exp 0
Flxn_expint 109397
Flxn_inv 1037
Flxn_mul 75845
Flxn_mul_pre 5152865
Flxn_mulhigh 517019
Flxn_recip 217365
Flxn_red 6324649
Flxn_sqr 0
Flxn_sqr_pre 0
FlxqC_Flxq_mul 0
FlxqC_red_pre 170737
FlxqM_Flxq_mul 0
FlxqM_mul_Kronecker 74264
FlxqM_red_pre 74264
FlxqV_dotproduct 0
FlxqV_dotproduct_pre 113589
FlxqX_dotproduct 1526
Flxq_autpow 7
Flxq_autpow_msqr 20698
Flxq_autpow_pre 69455
Flxq_autpow_sqr 47324
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112497
Flxq_autsum_pre 98774
Flxq_autsum_sqr 105124
Flxq_auttrace 0
Flxq_auttrace_mul 777153
Flxq_auttrace_pre 956619
Flxq_auttrace_sqr 651513
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519321
Flxq_inv 327066
Flxq_inv_pre 4273223
Flxq_invsafe 669320
Flxq_invsafe_pre 5414255
Flxq_is2npower 0
Flxq_issquare 404492
Flxq_log 164209
Flxq_lroot 0
Flxq_lroot_fast 0
Flxq_lroot_fast_pre 113589
Flxq_lroot_pre 25053
Flxq_matrix_pow 399
Flxq_matrix_pow_pre 171061
Flxq_minpoly 45776
Flxq_minpoly_pre 807806
Flxq_mul 13164147
Flxq_mul_pre 188655689
Flxq_norm 443318
Flxq_order 97328
Flxq_pow 945679
Flxq_pow_Frobenius 22389784
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23450613
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 231725
Flxq_powers_pre 22344438
Flxq_powu 488198
Flxq_powu_pre 24291916
Flxq_sqr 2763118
Flxq_sqr_pre 277317823
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 37667
Flxq_sqrtn 23095
Flxq_sqrtn_spec_pre 21901
Flxq_sumautsum_msqr 40915
Flxq_sumautsum_pre 210713
Flxq_sumautsum_sqr 295314
Flxq_trace 4696
Flxq_transmul 4203149
Flxq_transmul_init 1742459
RgXV_to_FlxV 7
RgX_to_Flx 2162743
Rg_to_F2 1704463
Rg_to_Fl 63876875
Rg_to_Flxq 3589621
ZM_unpack_FlxM 17632
ZM_unpack_FlxM_bits 56632
ZXT_to_FlxT 3805468
ZXV_to_FlxV 0
ZX_to_Flx 170360852
Z_mod2BIL_Flx 293569
Z_mod2BIL_Flx_2 296499
Z_mod2BIL_Flx_3 0
Z_to_Flx 7503212
ZpX_invLaplace_init 497
_Fl2_mul 1985544
_Fl2_pow 690561
_Fl2_rand 118287
_Fl2_sqr 5074022
_Flx_add 38600
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11010673
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_equal0 6540
_Flxq_inv 1532
_Flxq_mul 147625721
_Flxq_neg 35607
_Flxq_one 22345651
_Flxq_pow 22382372
_Flxq_powu 68
_Flxq_powu_i 23042300
_Flxq_rand 6567
_Flxq_red 1270700
_Flxq_rmul 1260698
_Flxq_s 1393
_Flxq_sqr 269451224
bounded_order 395379
gener_Flxq 7194
get_Fl_threshold 2322278137
get_Flx_red 986781924
get_Flxq_field 66744
get_Flxq_star 283438
init_invlaplace 12514
int_to_Flx 12215
int_to_Flx_half 335184
int_to_Flx_quart 107040
kron_pack_Flx_spec 35470
kron_pack_Flx_spec_2 3389
kron_pack_Flx_spec_3 0
kron_pack_Flx_spec_bits 20685718
kron_pack_Flx_spec_half 414404
kron_unpack_Flx 31047
kron_unpack_Flx_2 2930
kron_unpack_Flx_3 0
kron_unpack_Flx_bits_narrow 5549547
kron_unpack_Flx_bits_wide 5595676
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8358695
mkF2 7558683
monomial_Flx 939458
random_Flx 2640265
set_Flxq 66764
set_Flxq_pre 69384069
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6539138

Generated by: LCOV version 1.16