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 30532-0c728fd268) Lines: 2553 2914 87.6 %
Date: 2025-10-21 09:22:31 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 463214
Fl2_inv_pre 202256
Fl2_mul_pre 2015784
Fl2_norm_pre 128185
Fl2_pow_pre 691032
Fl2_sqr_pre 5076733
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78446
Fl_Flxq_log 35534
Fl_Xp1_powu 0
Fl_to_Flx 21220924
Flm_to_FlxV 2772
FlvV_polint_tree 2540658
Flv_Flm_polint 103477
Flv_inv 1744760
Flv_invVandermonde 153445
Flv_inv_i 1756774
Flv_inv_indir 51284
Flv_inv_inplace 12017
Flv_inv_pre 10048
Flv_inv_pre_indir 21349594
Flv_inv_pre_inplace 19632220
Flv_polint 1486575
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745971
Flv_roots_to_pol 795596
Flv_to_Flx 25485659
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 294043
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28989
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171867
FlxV_to_Flm_lg 12970471
FlxV_to_FlxX 397977
FlxV_to_ZXV 606905
FlxV_to_ZXV_inplace 3031366
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10026053
Flx_Fl_mul 7325931
Flx_Fl_mul_pre 18290005
Flx_Fl_mul_to_monic 12027426
Flx_Fl_sub 151843
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786269
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13169278
Flx_Flxq_eval 790645
Flx_Flxq_eval_pre 2444601
Flx_Frobenius 86484
Flx_Frobenius_pre 13811392
Flx_Laplace 27372
Flx_Newton 54153
Flx_add 64861420
Flx_addmulmul 416639
Flx_addshift 3684967
Flx_addspec 7170354
Flx_blocks 517316
Flx_blocks_Flm 12969731
Flx_composedprod 0
Flx_composedsum 27578
Flx_convol 0
Flx_deflate 421013
Flx_deriv 22988229
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34767663
Flx_divrem 30450406
Flx_divrem_Barrett 604630
Flx_divrem_Barrettspec 905685
Flx_divrem_basecase 62299044
Flx_divrem_pre 79737670
Flx_double 2445177
Flx_equal 27251625
Flx_eval 20406753
Flx_eval2BILspec 579107
Flx_eval_powers_pre 48507845
Flx_eval_pre 136385896
Flx_extgcd 857237
Flx_extgcd_basecase 6286225
Flx_extgcd_halfgcd 146584
Flx_extgcd_pre 6286229
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109424
Flx_gcd 34268382
Flx_gcd_basecase 85215515
Flx_gcd_pre 86876617
Flx_get_red 14502982
Flx_get_red_pre 97662590
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1128371
Flx_halfgcd_all_pre 1128374
Flx_halfgcd_pre 874626
Flx_halfres_basecase 1135446
Flx_halfres_i 1155412
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160281
Flx_integ 0
Flx_integXn 422870
Flx_invBarrett 0
Flx_invBarrett_Newton 23159
Flx_invBarrett_basecase 134339
Flx_invBarrett_pre 158799
Flx_invLaplace 54431
Flx_is_l_pow 8213
Flx_is_smooth 74256
Flx_is_smooth_pre 118696
Flx_is_smooth_squarefree 126973
Flx_is_squarefree 9184032
Flx_lgrenormalizespec 2133689
Flx_matFrobenius 0
Flx_matFrobenius_pre 86564
Flx_mod_Xn1 31763
Flx_mod_Xnm1 5057128
Flx_mul 27825805
Flx_mul_pre 377911622
Flx_mulhigh_i 939327
Flx_mullimb 1183654683
Flx_mullimb_ok 3392658562
Flx_mulspec 383460542
Flx_mulspec_Kronecker 7263800
Flx_mulspec_basecase 345915645
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10145
Flx_mulspec_mulii_inflate 282098
Flx_mulspec_quartmulii 97167
Flx_neg 3264482
Flx_neg_inplace 1756920
Flx_negspec 3264469
Flx_normalize 63991780
Flx_powu 0
Flx_powu_pre 3916
Flx_recip 0
Flx_recipspec 7296268
Flx_red 1880596
Flx_rem 42215698
Flx_rem_basecase 802256557
Flx_rem_pre 926898670
Flx_renormalize 2153778569
Flx_rescale 1117
Flx_resultant 4735243
Flx_resultant_basecase_pre 14621297
Flx_resultant_pre 14623293
Flx_shift 27399184
Flx_shiftip 633435919
Flx_splitting 147321
Flx_sqr 354620
Flx_sqr_pre 279492277
Flx_sqrspec 279631994
Flx_sqrspec_Kronecker 691150
Flx_sqrspec_basecase 278864087
Flx_sqrspec_halfsqri 324
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2067
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138681962
Flx_subspec 898095
Flx_to_Flv 66640790
Flx_to_FlxX 71629
Flx_to_ZX 38305917
Flx_to_ZX_inplace 36573016
Flx_to_int_halfspec 468820
Flx_to_int_quartspec 204552
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4481898
Flx_valrem 27459640
Flxn_div 55231
Flxn_div_pre 55248
Flxn_exp 0
Flxn_expint 109418
Flxn_inv 1037
Flxn_mul 75872
Flxn_mul_pre 5165425
Flxn_mulhigh 517256
Flxn_recip 217487
Flxn_red 6336910
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 20699
Flxq_autpow_pre 67490
Flxq_autpow_sqr 46253
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112479
Flxq_autsum_pre 98770
Flxq_autsum_sqr 105114
Flxq_auttrace 0
Flxq_auttrace_mul 782917
Flxq_auttrace_pre 962641
Flxq_auttrace_sqr 655386
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519228
Flxq_inv 335768
Flxq_inv_pre 4284272
Flxq_invsafe 670650
Flxq_invsafe_pre 5429001
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 170658
Flxq_minpoly 44915
Flxq_minpoly_pre 811093
Flxq_mul 13191099
Flxq_mul_pre 189811991
Flxq_norm 443322
Flxq_order 97328
Flxq_pow 948356
Flxq_pow_Frobenius 22748058
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23805369
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232063
Flxq_powers_pre 22438327
Flxq_powu 488422
Flxq_powu_pre 24360410
Flxq_sqr 2759491
Flxq_sqr_pre 278517943
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 35707
Flxq_sqrtn 20455
Flxq_sqrtn_spec_pre 19262
Flxq_sumautsum_msqr 40558
Flxq_sumautsum_pre 208704
Flxq_sumautsum_sqr 292682
Flxq_trace 4696
Flxq_transmul 4219145
Flxq_transmul_init 1749217
RgXV_to_FlxV 7
RgX_to_Flx 2250300
Rg_to_F2 1706913
Rg_to_Fl 73224245
Rg_to_Flxq 3598540
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813419
ZXV_to_FlxV 0
ZX_to_Flx 171027624
Z_mod2BIL_Flx 293620
Z_mod2BIL_Flx_2 296550
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561209
ZpX_invLaplace_init 497
_Fl2_mul 1986758
_Fl2_pow 691013
_Fl2_rand 118350
_Fl2_sqr 5076713
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 11010631
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 148605693
_Flxq_neg 366572
_Flxq_one 22438107
_Flxq_pow 22740650
_Flxq_powu 68
_Flxq_powu_i 23105006
_Flxq_rand 5571
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 270536143
bounded_order 394034
gener_Flxq 7201
get_Fl_threshold 2332134980
get_Flx_red 990892073
get_Flxq_field 68902
get_Flxq_star 280806
init_invlaplace 12514
int_to_Flx 12217
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 20812115
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 5657248
kron_unpack_Flx_bits_wide 5580208
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8376856
mkF2 7564933
monomial_Flx 943049
random_Flx 2647368
set_Flxq 68922
set_Flxq_pre 69904158
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6520256

Generated by: LCOV version 1.16