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 30590-f14e077362) Lines: 2553 2925 87.3 %
Date: 2026-01-01 09:21:12 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_sqrspec_halfsqri 136
Flx_halfgcd_all 154
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
kron_pack_Flx_spec_2 3389
Flxq_charpoly 3624
Flv_prod_pre 3719
_Flx_composedsum 3882
Flx_powu_pre 3931
Flxq_pow_table_pre 4391
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5463
_Flxq_rand 6564
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8153
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 9643
Flx_mulspec_mulii 10137
Flx_sqrspec_quartsqri 10218
Flx_Fl2_eval_pre 10773
Flx_sqrspec_sqri_inflate 11814
Flv_inv_inplace 12017
zl_Xp1_powu 12017
int_to_Flx 12212
init_invlaplace 12514
Flx_halve 14026
Flx_diff1 14448
Flx_translate1 17108
Flx_halfres_split 19964
Flxq_autpow_msqr 20696
Flxq_sqrtn_spec_pre 21901
FlxM_eval_powers_pre 22301
Flxq_sqrtn 23095
Flx_invBarrett_Newton 23161
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 25999
Flx_Laplace 27345
Flx_composedsum 27548
FlxV_composedsum 28963
Flx_translate1_basecase 29202
Flx_mod_Xn1 31509
FlxV_Flc_mul 34482
Fl_Flxq_log 35544
Flxq_sqrtl_spec_pre 37667
Flxq_sumautsum_msqr 40915
translate_basecase 42367
kron_unpack_Flx 42785
Flxq_minpoly 45937
FlxM_pack_ZM 46835
Flxq_autpow_sqr 47313
Flv_inv_indir 52213
kron_pack_Flx_spec 53168
Flx_Newton 54104
Flx_invLaplace 54372
Flxn_div 55172
Flxn_div_pre 55205
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65849
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flxq_autpow_pre 69450
Flx_to_FlxX 71404
Flx_is_smooth 74256
Flxn_mul 75841
Fl2_sqrtn_pre 76161
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_matFrobenius_pre 86569
Flx_Frobenius 86618
Flx_mulspec_quartmulii 97166
Flxq_order 97328
Flxq_autsum_pre 98768
FlxC_to_ZXC 104060
Flv_Flm_polint 104557
Flxq_autsum_sqr 105110
int_to_Flx_quart 107384
Flxn_expint 109399
Flx_fromNewton 109406
Flxq_autsum_mul 112472
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
_Fl2_rand 113986
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 118344
Flx_is_smooth_squarefree 126466
Fl2_norm_pre 127656
Flx_invBarrett_basecase 134391
Flx_extgcd_halfgcd 146649
Flx_splitting 147433
Flx_Fl_sub 151686
Flv_invVandermonde 153445
Flx_invBarrett_pre 158852
Flx_inflate 160323
Flxq_log 164217
Flxq_matrix_pow_pre 170661
FlxV_to_Flm 171887
Fl2_inv_pre 197741
Flx_to_int_quartspec 204550
Flxq_sumautsum_pre 210713
Flxn_recip 217344
Flxq_sqrt 230547
Flxq_sqrt_pre 230547
Flxq_powers 232015
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 283446
Flx_mulspec_mulii_inflate 294053
FlxT_red 295150
Flxq_sumautsum_sqr 295314
Z_mod2BIL_Flx 305867
Z_mod2BIL_Flx_2 308797
FlxC_eval_powers_pre 325154
Flxq_inv 335772
Flx_sqr 354700
_Flxq_neg 366572
_Flxq_add 389834
bounded_order 395386
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416791
Flx_deflate 420787
Flx_integXn 422778
Flxq_norm 443124
Fl2_equal1 450670
Flx_to_int_halfspec 468589
Flxq_powu 488334
int_to_Flx_half 507057
Flxn_mulhigh 516938
Flx_blocks 517022
Flxq_easylog 519389
Flx_eval2BILspec 603309
Flx_divrem_Barrett 604864
FlxV_to_ZXV 606745
Flxq_auttrace_sqr 652736
Flxq_invsafe 670321
_Fl2_pow 672869
Fl2_pow_pre 672877
kron_pack_Flx_spec_half 688104
Flx_sqrspec_Kronecker 695067
Flxq_auttrace_mul 780043
Flx_Flxq_eval 791316
Flxq_minpoly_pre 809664
Flv_roots_to_pol 842027
Flx_extgcd 856683
Flx_halfgcd_pre 873066
Flx_subspec 898563
Flx_divrem_Barrettspec 906169
Flx_mulhigh_i 938659
monomial_Flx 941140
Flxq_pow 948207
Flxq_auttrace_pre 959938
Flx_triple 1049261
Flx_halfgcd_all_pre 1126675
Flx_halfgcd_all_i 1126677
Flx_halfres_basecase 1133756
Flx_halfres_i 1153722
_Flxq_rmul 1461838
Flv_polint 1485157
_Flxq_red 1550928
Rg_to_F2 1710365
Flv_inv 1744438
Flv_producttree 1745646
Flxq_transmul_init 1746095
Flv_inv_i 1756446
Flx_neg_inplace 1777875
Flx_Flv_multieval_tree 1785951
Flx_red 1880824
_Fl2_mul 1927105
Fl2_mul_pre 1956122
Flx_lgrenormalizespec 2134691
RgX_to_Flx 2249946
Flxq_div_pre 2416819
Flx_double 2443925
Flx_Flxq_eval_pre 2444571
FlvV_polint_tree 2587284
random_Flx 2645826
Flxq_sqr 2763152
FlxV_to_ZXV_inplace 3031508
Flx_neg 3264514
Flx_negspec 3264514
Rg_to_Flxq 3588242
Flx_addshift 3724675
ZXT_to_FlxT 3813167
Flxq_transmul 4212102
Flxq_inv_pre 4286518
Flx_val 4472913
Flx_resultant 4733629
Flx_mod_Xnm1 4908490
Fl2_sqr_pre 4916408
_Fl2_sqr 4916446
Flxn_mul_pre 5158776
Flxq_invsafe_pre 5429415
kron_unpack_Flx_bits_narrow 5658344
kron_unpack_Flx_bits_wide 5667090
Flx_extgcd_pre 6286073
Flx_extgcd_basecase 6286081
Flxn_red 6330040
zx_to_Flx 6405117
Flx_addspec 7250880
Flx_recipspec 7287525
Flx_Fl_mul 7327005
mkF2 7332486
Flx_mulspec_Kronecker 7348884
Z_to_Flx 7556396
maxbitcoeffpol 8477882
Flx_is_squarefree 9180537
Flx_Fl_add 9843308
_Flx_mul 11778981
Flx_Fl_mul_to_monic 11855357
Flx_blocks_Flm 12966268
FlxV_to_Flm_lg 12966850
Flx_FlxqV_eval_pre 13165499
Flxq_mul 13192504
Flx_Frobenius_pre 13811496
Flx_get_red 14502477
Flx_resultant_basecase_pre 14597818
Flx_resultant_pre 14599932
Flx_Fl_mul_pre 18290721
Flv_inv_pre_inplace 19321707
Flx_eval 20409320
kron_pack_Flx_spec_bits 20985515
Flv_inv_pre_indir 21040648
Fl_to_Flx 21936615
Flxq_powers_pre 22433072
_Flxq_one 22435573
_Flxq_pow 22747305
Flxq_pow_Frobenius 22754711
_Flxq_powu_i 22920210
Flx_deriv 22981100
Flxq_pow_pre 23818031
Flxq_powu_pre 24174330
Flv_to_Flx 25485438
Flx_equal 27306970
Flx_shift 27377019
Flx_mul 27805821
Flx_valrem 28478877
Flx_divrem 30446265
Flx_gcd 35019218
Flx_to_ZX_inplace 36565923
Flx_div_by_X_x 36567354
Flx_to_ZX 38297777
Flx_rem 42217031
Flx_eval_powers_pre 48550060
Flx_divrem_basecase 62274857
Flx_normalize 64828819
Flx_add 66105214
Flx_to_Flv 66638535
set_Flxq_pre 69725518
Rg_to_Fl 73209943
Flx_divrem_pre 79714287
Flx_gcd_basecase 85761545
Flx_gcd_pre 87414992
Flx_get_red_pre 97467721
Flx_eval_pre 136119280
Flx_sub 138625499
_Flxq_mul 147449329
ZX_to_Flx 171009303
Flxq_mul_pre 188631146
_Flxq_sqr 267116464
Flxq_sqr_pre 274959020
Flx_sqr_pre 275902072
Flx_sqrspec 276175333
Flx_sqrspec_basecase 276305754
Flx_mulspec_basecase 347872926
Flx_mul_pre 379790932
Flx_mulspec 385375560
Flx_shiftip 632620191
Flx_rem_basecase 799333363
Flx_rem_pre 923215954
get_Flx_red 987225029
Flx_mullimb 1186217270
Flx_renormalize 2153099842
get_Fl_threshold 2326292160
Flx_mullimb_ok 3378497426

Generated by: LCOV version 1.16