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 30574-595e4ba651) Lines: 2553 2925 87.3 %
Date: 2025-12-17 09:21:45 Functions: 304 363 83.7 %
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_factorback 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_add 0
_Flx_divrem 0
_Flx_one 0
_Flx_pow 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 2069
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 3882
Flx_powu_pre 3980
Flxq_pow_table_pre 4391
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5484
_Flxq_s 6567
_Flxq_rand 6568
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8177
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 10048
Flx_mulspec_mulii 10130
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 12216
init_invlaplace 12514
Flx_halve 14047
Flx_diff1 14430
Flx_translate1 17091
Flx_halfres_split 19962
Flxq_autpow_msqr 20698
Flxq_sqrtn_spec_pre 21900
FlxM_eval_powers_pre 22302
Flxq_sqrtn 23095
Flx_invBarrett_Newton 23161
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27346
Flx_composedsum 27550
FlxV_composedsum 28969
Flx_translate1_basecase 29185
Flx_mod_Xn1 31772
FlxV_Flc_mul 34482
Fl_Flxq_log 35533
Flxq_sqrtl_spec_pre 37667
Flxq_sumautsum_msqr 40915
translate_basecase 42350
kron_unpack_Flx 42785
Flxq_minpoly 45993
FlxM_pack_ZM 46835
Flxq_autpow_sqr 47324
Flv_inv_indir 51283
kron_pack_Flx_spec 53168
Flx_Newton 54097
Flx_invLaplace 54355
Flxn_div 55167
Flxn_div_pre 55205
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flxq_autpow_pre 69457
Flx_to_FlxX 71643
Flx_is_smooth 74256
Flxn_mul 75843
Fl2_sqrtn_pre 78402
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86486
Flx_matFrobenius_pre 86563
Flx_mulspec_quartmulii 97167
Flxq_order 97328
Flxq_autsum_pre 98774
Flv_Flm_polint 103491
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105124
int_to_Flx_quart 107385
Flx_fromNewton 109404
Flxn_expint 109406
Flxq_autsum_mul 112490
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
_Fl2_rand 118234
Flx_is_smooth_pre 118709
Flx_is_smooth_squarefree 126852
Fl2_norm_pre 128177
Flx_invBarrett_basecase 134338
Flx_extgcd_halfgcd 146650
Flx_splitting 147780
Flx_Fl_sub 151851
Flv_invVandermonde 153445
Flx_invBarrett_pre 158799
Flx_inflate 160890
Flxq_log 164217
Flxq_matrix_pow_pre 170658
FlxV_to_Flm 171866
Fl2_inv_pre 201945
Flx_to_int_quartspec 204552
Flxq_sumautsum_pre 210713
Flxn_recip 217306
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_powers 232072
FlxqC_red_pre 234845
Flxq_div 237864
Flx_mulspec_mulii_inflate 282087
get_Flxq_star 283446
Z_mod2BIL_Flx 293609
Flxq_sumautsum_sqr 295314
Z_mod2BIL_Flx_2 296539
FlxT_red 298272
FlxC_eval_powers_pre 325149
Flxq_inv 335767
Flx_sqr 354719
_Flxq_neg 366572
_Flxq_add 389834
bounded_order 395396
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416797
Flx_deflate 421059
Flx_integXn 422743
Flxq_norm 443325
Fl2_equal1 462494
Flx_to_int_halfspec 468821
Flxq_powu 488419
int_to_Flx_half 507268
Flxn_mulhigh 516679
Flx_blocks 516815
Flxq_easylog 519381
Flx_eval2BILspec 579085
Flx_divrem_Barrett 605741
FlxV_to_ZXV 606932
Flxq_auttrace_sqr 655420
Flxq_invsafe 670268
kron_pack_Flx_spec_half 688104
_Fl2_pow 689974
Fl2_pow_pre 689984
Flx_sqrspec_Kronecker 691239
Flxq_auttrace_mul 782946
Flx_Flxq_eval 791742
Flv_roots_to_pol 795682
Flxq_minpoly_pre 812389
Flx_extgcd 857302
Flx_halfgcd_pre 876088
Flx_subspec 898852
Flx_divrem_Barrettspec 906434
Flx_mulhigh_i 938466
monomial_Flx 944420
Flxq_pow 948361
Flxq_auttrace_pre 962885
Flx_triple 1049887
Flx_halfgcd_all_i 1129883
Flx_halfgcd_all_pre 1129888
Flx_halfres_basecase 1136962
Flx_halfres_i 1156925
_Flxq_rmul 1461838
Flv_polint 1486548
_Flxq_red 1550928
Rg_to_F2 1710431
Flv_inv 1744760
Flv_producttree 1745981
Flxq_transmul_init 1752124
Flv_inv_i 1756764
Flx_neg_inplace 1778757
Flx_Flv_multieval_tree 1786276
Flx_red 1884436
_Fl2_mul 1983905
Fl2_mul_pre 2012939
Flx_lgrenormalizespec 2135377
RgX_to_Flx 2250317
Flxq_div_pre 2417764
Flx_double 2445177
Flx_Flxq_eval_pre 2449825
FlvV_polint_tree 2540881
random_Flx 2651985
Flxq_sqr 2763153
FlxV_to_ZXV_inplace 3032196
Flx_neg 3265424
Flx_negspec 3265426
Rg_to_Flxq 3598809
Flx_addshift 3728641
ZXT_to_FlxT 3814520
Flxq_transmul 4226934
Flxq_inv_pre 4287586
Flx_val 4484635
Flx_resultant 4735264
Flx_mod_Xnm1 5056633
Fl2_sqr_pre 5068624
_Fl2_sqr 5068646
Flxn_mul_pre 5167973
Flxq_invsafe_pre 5432097
kron_unpack_Flx_bits_wide 5610086
kron_unpack_Flx_bits_narrow 5660699
Flx_extgcd_basecase 6289311
Flx_extgcd_pre 6289337
Flxn_red 6339110
zx_to_Flx 6528883
Flx_addspec 7257702
Flx_mulspec_Kronecker 7298138
Flx_recipspec 7305925
Flx_Fl_mul 7327934
mkF2 7552337
Z_to_Flx 7561512
maxbitcoeffpol 8411622
Flx_is_squarefree 9184379
Flx_Fl_add 10031888
_Flx_mul 11012906
Flx_Fl_mul_to_monic 12030962
Flx_blocks_Flm 12988143
FlxV_to_Flm_lg 12989264
Flx_FlxqV_eval_pre 13187671
Flxq_mul 13192353
Flx_Frobenius_pre 13820305
Flx_get_red 14512509
Flx_resultant_basecase_pre 14620044
Flx_resultant_pre 14622425
Flx_Fl_mul_pre 18297877
Flv_inv_pre_inplace 19617102
Flx_eval 20430456
kron_pack_Flx_spec_bits 20880670
Fl_to_Flx 21216875
Flv_inv_pre_indir 21343516
_Flxq_pow 22382741
Flxq_pow_Frobenius 22390153
_Flxq_one 22454958
Flxq_powers_pre 22455945
Flx_deriv 22990309
_Flxq_powu_i 23116172
Flxq_pow_pre 23453638
Flxq_powu_pre 24371298
Flv_to_Flx 25521471
Flx_equal 26940665
Flx_shift 27421380
Flx_valrem 27429700
Flx_mul 27832050
Flx_divrem 30449546
Flx_gcd 34258948
Flx_div_by_X_x 34745782
Flx_to_ZX_inplace 36569673
Flx_to_ZX 38307321
Flx_rem 42227066
Flx_eval_powers_pre 48524074
Flx_divrem_basecase 62326140
Flx_normalize 63977793
Flx_add 64934397
Flx_to_Flv 66711984
set_Flxq_pre 69576842
Rg_to_Fl 73223491
Flx_divrem_pre 79756546
Flx_gcd_basecase 85209654
Flx_gcd_pre 86871426
Flx_get_red_pre 97361698
Flx_eval_pre 136379236
Flx_sub 138710594
_Flxq_mul 147836080
ZX_to_Flx 171021662
Flxq_mul_pre 189044968
_Flxq_sqr 269707293
Flxq_sqr_pre 277514853
Flx_sqr_pre 278477781
Flx_sqrspec 278823948
Flx_sqrspec_basecase 278874351
Flx_mulspec_basecase 345488466
Flx_mul_pre 377163503
Flx_mulspec 382873614
Flx_shiftip 632586834
Flx_rem_basecase 801459910
Flx_rem_pre 925656962
get_Flx_red 989666727
Flx_mullimb 1188775511
Flx_renormalize 2153517432
get_Fl_threshold 2327759517
Flx_mullimb_ok 3372557764

Generated by: LCOV version 1.16