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 30531-d68fd7cb7d) Lines: 2553 2914 87.6 %
Date: 2025-10-16 09:22:45 Functions: 304 359 84.7 %
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_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_divrem 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 3910
Flx_powu_pre 3955
Flxq_pow_table_pre 4393
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5484
_Flxq_rand 5592
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8138
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 10049
Flx_mulspec_mulii 10144
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 12217
init_invlaplace 12514
Flx_halve 14047
Flx_diff1 14448
Flx_translate1 17108
Flxq_sqrtn_spec_pre 19262
Flx_halfres_split 19964
Flxq_sqrtn 20456
Flxq_autpow_msqr 20698
FlxM_eval_powers_pre 22302
Flx_invBarrett_Newton 23161
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27368
Flx_composedsum 27569
FlxV_composedsum 28994
Flx_translate1_basecase 29202
Flx_mod_Xn1 31764
FlxV_Flc_mul 34482
Fl_Flxq_log 35538
Flxq_sqrtl_spec_pre 35707
Flxq_sumautsum_msqr 40558
translate_basecase 42367
kron_unpack_Flx 42785
Flxq_minpoly 44915
Flxq_autpow_sqr 46260
FlxM_pack_ZM 46835
Flv_inv_indir 51279
kron_pack_Flx_spec 53168
Flx_Newton 54156
Flx_invLaplace 54418
Flxn_div 55204
Flxn_div_pre 55218
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
Flxq_autpow_pre 67497
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flx_to_FlxX 71629
Flx_is_smooth 74256
Flxn_mul 75871
Fl2_sqrtn_pre 78471
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86486
Flx_matFrobenius_pre 86570
Flx_mulspec_quartmulii 97165
Flxq_order 97328
Flxq_autsum_pre 98774
Flv_Flm_polint 103478
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105124
int_to_Flx_quart 107385
Flxn_expint 109429
Flx_fromNewton 109430
Flxq_autsum_mul 112490
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 118253
_Fl2_rand 118324
Flx_is_smooth_squarefree 126437
Fl2_norm_pre 128240
Flx_invBarrett_basecase 134340
Flx_extgcd_halfgcd 146585
Flx_splitting 147606
Flx_Fl_sub 151839
Flv_invVandermonde 153445
Flx_invBarrett_pre 158801
Flx_inflate 160529
Flxq_log 164217
Flxq_matrix_pow_pre 170666
FlxV_to_Flm 171891
Fl2_inv_pre 202259
Flx_to_int_quartspec 204548
Flxq_sumautsum_pre 208704
Flxn_recip 217409
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_powers 232074
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 280807
Flx_mulspec_mulii_inflate 282090
Flxq_sumautsum_sqr 292682
Z_mod2BIL_Flx 293612
Z_mod2BIL_Flx_2 296542
FlxT_red 296656
FlxC_eval_powers_pre 325154
Flxq_inv 335767
Flx_sqr 354674
_Flxq_neg 366572
_Flx_add 389834
bounded_order 394058
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416639
Flx_deflate 421002
Flx_integXn 422832
Flxq_norm 443325
Fl2_equal1 463061
Flx_to_int_halfspec 468821
Flxq_powu 488430
int_to_Flx_half 507268
Flxn_mulhigh 517000
Flx_blocks 517076
Flxq_easylog 519190
Flx_eval2BILspec 579091
Flx_divrem_Barrett 605324
FlxV_to_ZXV 606915
Flxq_auttrace_sqr 655391
Flxq_invsafe 670638
kron_pack_Flx_spec_half 688104
_Fl2_pow 690857
Fl2_pow_pre 690861
Flx_sqrspec_Kronecker 691189
Flxq_auttrace_mul 782907
Flx_Flxq_eval 790640
Flv_roots_to_pol 795637
Flxq_minpoly_pre 811010
Flx_extgcd 857247
Flx_halfgcd_pre 874665
Flx_subspec 898768
Flx_divrem_Barrettspec 906301
Flx_mulhigh_i 938889
monomial_Flx 943089
Flxq_pow 948340
Flxq_auttrace_pre 962561
Flx_triple 1049887
Flx_halfgcd_all_i 1128353
Flx_halfgcd_all_pre 1128356
Flx_halfres_basecase 1135429
Flx_halfres_i 1155398
_Flxq_rmul 1461838
Flv_polint 1486602
_Flxq_red 1550928
Rg_to_F2 1706968
Flv_inv 1744791
Flv_producttree 1745998
Flxq_transmul_init 1749285
Flv_inv_i 1756801
Flx_neg_inplace 1756920
Flx_Flv_multieval_tree 1786304
Flx_red 1882935
_Fl2_mul 1986915
Fl2_mul_pre 2015935
Flx_lgrenormalizespec 2134663
RgX_to_Flx 2250309
Flxq_div_pre 2417764
Flx_Flxq_eval_pre 2444613
Flx_double 2445177
FlvV_polint_tree 2540847
random_Flx 2647325
Flxq_sqr 2759492
FlxV_to_ZXV_inplace 3031382
Flx_negspec 3264972
Flx_neg 3264989
Rg_to_Flxq 3598556
Flx_addshift 3684967
ZXT_to_FlxT 3814187
Flxq_transmul 4219404
Flxq_inv_pre 4284209
Flx_val 4488442
Flx_resultant 4735279
Flx_mod_Xnm1 5057341
_Fl2_sqr 5076900
Fl2_sqr_pre 5076948
Flxn_mul_pre 5164536
Flxq_invsafe_pre 5428950
kron_unpack_Flx_bits_wide 5581341
kron_unpack_Flx_bits_narrow 5659435
Flx_extgcd_basecase 6286178
Flx_extgcd_pre 6286178
Flxn_red 6334929
zx_to_Flx 6523997
Flx_addspec 7170354
Flx_mulspec_Kronecker 7266280
Flx_recipspec 7297587
Flx_Fl_mul 7325888
Z_to_Flx 7561446
mkF2 7565355
maxbitcoeffpol 8380076
Flx_is_squarefree 9183991
Flx_Fl_add 10027923
_Flx_mul 11011418
Flx_Fl_mul_to_monic 12027089
Flx_blocks_Flm 12969482
FlxV_to_Flm_lg 12970265
Flx_FlxqV_eval_pre 13169029
Flxq_mul 13191092
Flx_Frobenius_pre 13809943
Flx_get_red 14501559
Flx_resultant_basecase_pre 14621493
Flx_resultant_pre 14623420
Flx_Fl_mul_pre 18288991
Flv_inv_pre_inplace 19681046
Flx_eval 20404373
kron_pack_Flx_spec_bits 20817760
Fl_to_Flx 21229791
Flv_inv_pre_indir 21402521
_Flxq_pow 22375919
Flxq_pow_Frobenius 22383331
_Flxq_one 22434892
Flxq_powers_pre 22436171
Flx_deriv 22987031
_Flxq_powu_i 23100998
Flxq_pow_pre 23440596
Flxq_powu_pre 24356639
Flv_to_Flx 25485358
Flx_equal 26935729
Flx_shift 27398562
Flx_valrem 27460671
Flx_mul 27825707
Flx_divrem 30450894
Flx_gcd 34270291
Flx_div_by_X_x 34771545
Flx_to_ZX_inplace 36574135
Flx_to_ZX 38306423
Flx_rem 42216339
Flx_eval_powers_pre 48567835
Flx_divrem_basecase 62293857
Flx_normalize 64002422
Flx_add 64871224
Flx_to_Flv 66639831
set_Flxq_pre 69531095
Rg_to_Fl 73224366
Flx_divrem_pre 79731035
Flx_gcd_basecase 85204882
Flx_gcd_pre 86867162
Flx_get_red_pre 97287238
Flx_eval_pre 136382457
Flx_sub 138674226
_Flxq_mul 147884753
ZX_to_Flx 171017870
Flxq_mul_pre 189093219
_Flxq_sqr 270197750
Flxq_sqr_pre 278203795
Flx_sqrspec_basecase 278569291
Flx_sqr_pre 279197458
Flx_sqrspec 279328244
Flx_mulspec_basecase 345206265
Flx_mul_pre 377215954
Flx_mulspec 382760228
Flx_shiftip 632456185
Flx_rem_basecase 801132015
Flx_rem_pre 925712981
get_Flx_red 989723104
Flx_mullimb 1184078229
Flx_renormalize 2152183493
get_Fl_threshold 2328049634
Flx_mullimb_ok 3377391958

Generated by: LCOV version 1.16