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 30584-b9873745ba) Lines: 2553 2925 87.3 %
Date: 2025-12-21 09:21:02 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 449234
Fl2_inv_pre 197071
Fl2_mul_pre 1951187
Fl2_norm_pre 127386
Fl2_pow_pre 670761
Fl2_sqr_pre 4905405
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 75953
Fl_Flxq_log 35533
Fl_Xp1_powu 0
Fl_to_Flx 21939104
Flm_to_FlxV 2772
FlvV_polint_tree 2587804
Flv_Flm_polint 104465
Flv_inv 1745528
Flv_invVandermonde 153445
Flv_inv_i 1757534
Flv_inv_indir 52111
Flv_inv_inplace 12017
Flv_inv_pre 9646
Flv_inv_pre_indir 21005796
Flv_inv_pre_inplace 19284474
Flv_polint 1486359
Flv_prod 0
Flv_prod_pre 3719
Flv_producttree 1746750
Flv_roots_to_pol 840997
Flv_to_Flx 25485931
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 325160
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 293622
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28960
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171878
FlxV_to_Flm_lg 12967486
FlxV_to_FlxX 397977
FlxV_to_ZXV 606733
FlxV_to_ZXV_inplace 3031673
Flx_Fl2_eval_pre 10773
Flx_Fl_add 9844887
Flx_Fl_mul 7326653
Flx_Fl_mul_pre 18292031
Flx_Fl_mul_to_monic 11855881
Flx_Fl_sub 151687
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1787048
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13166066
Flx_Flxq_eval 791319
Flx_Flxq_eval_pre 2444586
Flx_Frobenius 86486
Flx_Frobenius_pre 13811476
Flx_Laplace 27343
Flx_Newton 54095
Flx_add 66129622
Flx_addmulmul 416791
Flx_addshift 3726367
Flx_addspec 7254264
Flx_blocks 516955
Flx_blocks_Flm 12966689
Flx_composedprod 0
Flx_composedsum 27545
Flx_convol 0
Flx_deflate 420793
Flx_deriv 22982139
Flx_diff1 14389
Flx_digits 0
Flx_div_by_X_x 36564799
Flx_divrem 30448107
Flx_divrem_Barrett 604444
Flx_divrem_Barrettspec 905789
Flx_divrem_basecase 62276581
Flx_divrem_pre 79716934
Flx_double 2445177
Flx_equal 26939686
Flx_eval 20424979
Flx_eval2BILspec 603291
Flx_eval_powers_pre 48535526
Flx_eval_pre 136414492
Flx_extgcd 856678
Flx_extgcd_basecase 6286770
Flx_extgcd_halfgcd 146649
Flx_extgcd_pre 6286779
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109394
Flx_gcd 35024484
Flx_gcd_basecase 85767858
Flx_gcd_pre 87419352
Flx_get_red 14502831
Flx_get_red_pre 97107758
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1127048
Flx_halfgcd_all_pre 1127049
Flx_halfgcd_pre 873239
Flx_halfres_basecase 1134126
Flx_halfres_i 1154092
Flx_halfres_pre 1043
Flx_halfres_split 19963
Flx_halfres_update_pre 9405
Flx_halve 14026
Flx_inflate 160282
Flx_integ 0
Flx_integXn 422745
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134390
Flx_invBarrett_pre 158853
Flx_invLaplace 54355
Flx_is_l_pow 8171
Flx_is_smooth 74256
Flx_is_smooth_pre 118569
Flx_is_smooth_squarefree 126684
Flx_is_squarefree 9180397
Flx_lgrenormalizespec 2133958
Flx_matFrobenius 0
Flx_matFrobenius_pre 86566
Flx_mod_Xn1 31489
Flx_mod_Xnm1 4907741
Flx_mul 27808075
Flx_mul_pre 379194926
Flx_mulhigh_i 938621
Flx_mullimb 1187790793
Flx_mullimb_ok 3365400737
Flx_mulspec 384779442
Flx_mulspec_Kronecker 7351169
Flx_mulspec_basecase 347266766
Flx_mulspec_halfmulii 5463
Flx_mulspec_mulii 10142
Flx_mulspec_mulii_inflate 294044
Flx_mulspec_quartmulii 97163
Flx_neg 3264279
Flx_neg_inplace 1778721
Flx_negspec 3264275
Flx_normalize 64826312
Flx_powu 0
Flx_powu_pre 3908
Flx_recip 0
Flx_recipspec 7288048
Flx_red 1879437
Flx_rem 42229094
Flx_rem_basecase 798748065
Flx_rem_pre 922602891
Flx_renormalize 2151861863
Flx_rescale 1117
Flx_resultant 4734681
Flx_resultant_basecase_pre 14618711
Flx_resultant_pre 14620978
Flx_shift 27377383
Flx_shiftip 632015610
Flx_splitting 147268
Flx_sqr 354605
Flx_sqr_pre 275767894
Flx_sqrspec 276061250
Flx_sqrspec_Kronecker 695063
Flx_sqrspec_basecase 276202481
Flx_sqrspec_halfsqri 136
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2064
Flx_sqrspec_sqri_inflate 11814
Flx_sub 138625040
Flx_subspec 898276
Flx_to_Flv 66641141
Flx_to_FlxX 71405
Flx_to_ZX 38297710
Flx_to_ZX_inplace 36569830
Flx_to_int_halfspec 468590
Flx_to_int_quartspec 204546
Flx_translate1 17050
Flx_translate1_basecase 29133
Flx_triple 1049887
Flx_unscale 0
Flx_val 4468360
Flx_valrem 28479928
Flxn_div 55157
Flxn_div_pre 55189
Flxn_exp 0
Flxn_expint 109401
Flxn_inv 1037
Flxn_mul 75842
Flxn_mul_pre 5158178
Flxn_mulhigh 516868
Flxn_recip 217349
Flxn_red 6329444
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 20698
Flxq_autpow_pre 69457
Flxq_autpow_sqr 47324
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112490
Flxq_autsum_pre 98774
Flxq_autsum_sqr 105124
Flxq_auttrace 0
Flxq_auttrace_mul 780248
Flxq_auttrace_pre 959956
Flxq_auttrace_sqr 652932
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519379
Flxq_inv 335769
Flxq_inv_pre 4287468
Flxq_invsafe 670092
Flxq_invsafe_pre 5430118
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 170659
Flxq_minpoly 45937
Flxq_minpoly_pre 809783
Flxq_mul 13192426
Flxq_mul_pre 187973324
Flxq_norm 443325
Flxq_order 97328
Flxq_pow 948255
Flxq_pow_Frobenius 22390167
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23453552
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232005
Flxq_powers_pre 22433878
Flxq_powu 488343
Flxq_powu_pre 24174346
Flxq_sqr 2763153
Flxq_sqr_pre 274824909
Flxq_sqrt 230463
Flxq_sqrt_pre 230463
Flxq_sqrtl_spec_pre 37667
Flxq_sqrtn 23094
Flxq_sqrtn_spec_pre 21901
Flxq_sumautsum_msqr 40915
Flxq_sumautsum_pre 210713
Flxq_sumautsum_sqr 295314
Flxq_trace 4696
Flxq_transmul 4212872
Flxq_transmul_init 1746468
RgXV_to_FlxV 7
RgX_to_Flx 2249948
Rg_to_F2 1710320
Rg_to_Fl 73210318
Rg_to_Flxq 3588257
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3812669
ZXV_to_FlxV 0
ZX_to_Flx 171011083
Z_mod2BIL_Flx 305858
Z_mod2BIL_Flx_2 308788
Z_mod2BIL_Flx_3 0
Z_to_Flx 7556917
ZpX_invLaplace_init 497
_Fl2_mul 1921979
_Fl2_pow 670761
_Fl2_rand 113682
_Fl2_sqr 4905384
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11784620
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 146786135
_Flxq_neg 366572
_Flxq_one 22435701
_Flxq_pow 22382755
_Flxq_powu 68
_Flxq_powu_i 22920951
_Flxq_rand 6570
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 266967221
bounded_order 395396
gener_Flxq 7201
get_Fl_threshold 2323766467
get_Flx_red 986609886
get_Flxq_field 68902
get_Flxq_star 283445
init_invlaplace 12514
int_to_Flx 12214
int_to_Flx_half 507058
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 20989782
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 5657094
kron_unpack_Flx_bits_wide 5670460
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8480066
mkF2 7315339
monomial_Flx 941296
random_Flx 2646235
set_Flxq 68922
set_Flxq_pre 69361717
translate_basecase 42302
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6395391

Generated by: LCOV version 1.16