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 30569-8181146aa1) Lines: 2553 2925 87.3 %
Date: 2025-12-03 09:22:05 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 463244
Fl2_inv_pre 202315
Fl2_mul_pre 2016540
Fl2_norm_pre 128192
Fl2_pow_pre 691111
Fl2_sqr_pre 5077606
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78495
Fl_Flxq_log 35540
Fl_Xp1_powu 0
Fl_to_Flx 21218046
Flm_to_FlxV 2772
FlvV_polint_tree 2540888
Flv_Flm_polint 103493
Flv_inv 1744797
Flv_invVandermonde 153445
Flv_inv_i 1756801
Flv_inv_indir 51279
Flv_inv_inplace 12017
Flv_inv_pre 10048
Flv_inv_pre_indir 21346941
Flv_inv_pre_inplace 19616055
Flv_polint 1486587
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1746004
Flv_roots_to_pol 795669
Flv_to_Flx 25521201
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 25999
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 295666
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28964
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171886
FlxV_to_Flm_lg 12989171
FlxV_to_FlxX 397977
FlxV_to_ZXV 606928
FlxV_to_ZXV_inplace 3032181
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10029350
Flx_Fl_mul 7326966
Flx_Fl_mul_pre 18297330
Flx_Fl_mul_to_monic 12029164
Flx_Fl_sub 151856
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786304
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13187810
Flx_Flxq_eval 791709
Flx_Flxq_eval_pre 2449808
Flx_Frobenius 86486
Flx_Frobenius_pre 13819736
Flx_Laplace 27349
Flx_Newton 54093
Flx_add 64930303
Flx_addmulmul 416799
Flx_addshift 3728641
Flx_addspec 7257702
Flx_blocks 516966
Flx_blocks_Flm 12988021
Flx_composedprod 0
Flx_composedsum 27550
Flx_convol 0
Flx_deflate 421044
Flx_deriv 22990342
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34753181
Flx_divrem 30451029
Flx_divrem_Barrett 605047
Flx_divrem_Barrettspec 905653
Flx_divrem_basecase 62330845
Flx_divrem_pre 79761399
Flx_double 2445177
Flx_equal 28940975
Flx_eval 20409782
Flx_eval2BILspec 579087
Flx_eval_powers_pre 48530591
Flx_eval_pre 136371652
Flx_extgcd 857306
Flx_extgcd_basecase 6289862
Flx_extgcd_halfgcd 146655
Flx_extgcd_pre 6289860
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109401
Flx_gcd 34262291
Flx_gcd_basecase 85199167
Flx_gcd_pre 86863927
Flx_get_red 14511812
Flx_get_red_pre 99353195
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1129825
Flx_halfgcd_all_pre 1129827
Flx_halfgcd_pre 876131
Flx_halfres_basecase 1136904
Flx_halfres_i 1156869
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160472
Flx_integ 0
Flx_integXn 422775
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134339
Flx_invBarrett_pre 158799
Flx_invLaplace 54361
Flx_is_l_pow 8152
Flx_is_smooth 74256
Flx_is_smooth_pre 118434
Flx_is_smooth_squarefree 126558
Flx_is_squarefree 9184542
Flx_lgrenormalizespec 2133982
Flx_matFrobenius 0
Flx_matFrobenius_pre 86570
Flx_mod_Xn1 31771
Flx_mod_Xnm1 5056812
Flx_mul 27829436
Flx_mul_pre 381138981
Flx_mulhigh_i 938755
Flx_mullimb 1190765555
Flx_mullimb_ok 3427332123
Flx_mulspec 386852650
Flx_mulspec_Kronecker 7294653
Flx_mulspec_basecase 349499642
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10138
Flx_mulspec_mulii_inflate 282088
Flx_mulspec_quartmulii 97164
Flx_neg 3264827
Flx_neg_inplace 1778757
Flx_negspec 3264831
Flx_normalize 63980594
Flx_powu 0
Flx_powu_pre 3939
Flx_recip 0
Flx_recipspec 7304779
Flx_red 1882159
Flx_rem 42219798
Flx_rem_basecase 807338547
Flx_rem_pre 931473129
Flx_renormalize 2164965830
Flx_rescale 1117
Flx_resultant 4736423
Flx_resultant_basecase_pre 14622860
Flx_resultant_pre 14624908
Flx_shift 27422808
Flx_shiftip 638484235
Flx_splitting 147490
Flx_sqr 354669
Flx_sqr_pre 280377130
Flx_sqrspec 280725748
Flx_sqrspec_Kronecker 691172
Flx_sqrspec_basecase 280809019
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2070
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138714650
Flx_subspec 898107
Flx_to_Flv 66713025
Flx_to_FlxX 71643
Flx_to_ZX 38307442
Flx_to_ZX_inplace 36572640
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204547
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4484320
Flx_valrem 27434145
Flxn_div 55150
Flxn_div_pre 55186
Flxn_exp 0
Flxn_expint 109400
Flxn_inv 1037
Flxn_mul 75848
Flxn_mul_pre 5168910
Flxn_mulhigh 516685
Flxn_recip 217317
Flxn_red 6340640
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 20696
Flxq_autpow_pre 69453
Flxq_autpow_sqr 47316
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112472
Flxq_autsum_pre 98768
Flxq_autsum_sqr 105110
Flxq_auttrace 0
Flxq_auttrace_mul 782885
Flxq_auttrace_pre 962831
Flxq_auttrace_sqr 655380
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519402
Flxq_inv 335764
Flxq_inv_pre 4287621
Flxq_invsafe 670741
Flxq_invsafe_pre 5432578
Flxq_is2npower 0
Flxq_issquare 404492
Flxq_log 164216
Flxq_lroot 0
Flxq_lroot_fast 0
Flxq_lroot_fast_pre 113589
Flxq_lroot_pre 25053
Flxq_matrix_pow 399
Flxq_matrix_pow_pre 170666
Flxq_minpoly 45993
Flxq_minpoly_pre 812359
Flxq_mul 13192526
Flxq_mul_pre 193033951
Flxq_norm 443326
Flxq_order 97328
Flxq_pow 948432
Flxq_pow_Frobenius 24392173
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 25455761
Flxq_pow_table 0
Flxq_pow_table_pre 4391
Flxq_powers 232064
Flxq_powers_pre 22454716
Flxq_powu 488422
Flxq_powu_pre 24366140
Flxq_sqr 2763150
Flxq_sqr_pre 279421209
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 4227129
Flxq_transmul_init 1752226
RgXV_to_FlxV 7
RgX_to_Flx 2250320
Rg_to_F2 1710376
Rg_to_Fl 73223576
Rg_to_Flxq 3598537
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813874
ZXV_to_FlxV 0
ZX_to_Flx 171021773
Z_mod2BIL_Flx 293610
Z_mod2BIL_Flx_2 296540
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561632
ZpX_invLaplace_init 497
_Fl2_mul 1987504
_Fl2_pow 691096
_Fl2_rand 118389
_Fl2_sqr 5077599
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11010670
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 151827355
_Flxq_neg 366572
_Flxq_one 22454466
_Flxq_pow 24384766
_Flxq_powu 68
_Flxq_powu_i 23111153
_Flxq_rand 6571
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 271606670
bounded_order 395393
gener_Flxq 7201
get_Fl_threshold 2347238137
get_Flx_red 995506569
get_Flxq_field 68902
get_Flxq_star 283445
init_invlaplace 12514
int_to_Flx 12216
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 20874008
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 5658529
kron_unpack_Flx_bits_wide 5609192
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8408493
mkF2 7565496
monomial_Flx 944478
random_Flx 2652028
set_Flxq 68922
set_Flxq_pre 71569730
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6523937

Generated by: LCOV version 1.16