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 30418-83092bf331) Lines: 2553 2914 87.6 %
Date: 2025-07-29 09:22:49 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 1030
Flx_halfres_pre 1044
Flx_rescale 1117
Flxq_autpowers 1667
FlxqX_dotproduct 1918
Flx_sqrspec_sqri 2067
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_powu_pre 3908
_Flx_composedsum 3910
Flxq_pow_table_pre 4390
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5484
_Flxq_rand 5590
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8207
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 10047
Flx_mulspec_mulii 10142
Flx_sqrspec_quartsqri 10218
Flx_Fl2_eval_pre 10528
Flx_sqrspec_sqri_inflate 11522
Flv_inv_inplace 12017
zl_Xp1_powu 12017
int_to_Flx 12215
init_invlaplace 12514
Flx_diff1 13482
Flx_halve 14047
Flx_translate1 16142
Flxq_sqrtn_spec_pre 19262
Flx_halfres_split 19964
Flxq_sqrtn 20456
Flxq_autpow_msqr 20696
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 27358
Flx_composedsum 27572
Flx_translate1_basecase 28236
FlxV_composedsum 28988
Flx_mod_Xn1 31762
FlxV_Flc_mul 34482
Fl_Flxq_log 35518
Flxq_sqrtl_spec_pre 35706
Flxq_sumautsum_msqr 40558
translate_basecase 41401
kron_unpack_Flx 42785
Flxq_minpoly 44915
Flxq_autpow_sqr 46249
FlxM_pack_ZM 46835
Flv_inv_indir 51282
kron_pack_Flx_spec 53168
Flx_Newton 54154
Flx_invLaplace 54398
Flxn_div 55194
Flxn_div_pre 55226
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
Flxq_autpow_pre 67489
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flx_to_FlxX 71629
Flx_is_smooth 74256
Flxn_mul 75874
Fl2_sqrtn_pre 78450
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86486
Flx_matFrobenius_pre 86562
Flx_mulspec_quartmulii 97165
Flxq_order 97328
Flxq_autsum_pre 98768
Flv_Flm_polint 103476
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105110
int_to_Flx_quart 107385
Flxn_expint 109425
Flx_fromNewton 109432
Flxq_autsum_mul 112472
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
_Fl2_rand 118340
Flx_is_smooth_pre 118745
Flx_is_smooth_squarefree 126936
Fl2_norm_pre 128101
Flx_invBarrett_basecase 134341
Flx_extgcd_halfgcd 146592
Flx_splitting 147269
Flx_Fl_sub 151846
Flv_invVandermonde 153445
Flx_invBarrett_pre 158802
Flx_inflate 160295
Flxq_log 164217
Flxq_matrix_pow_pre 170659
FlxV_to_Flm 171877
Fl2_inv_pre 202043
Flx_to_int_quartspec 204550
Flxq_sumautsum_pre 208704
Flxn_recip 217418
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_powers 232069
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 280807
Flx_mulspec_mulii_inflate 282096
Flxq_sumautsum_sqr 292682
Z_mod2BIL_Flx 293618
FlxT_red 293633
Z_mod2BIL_Flx_2 296548
FlxC_eval_powers_pre 325159
Flxq_inv 335767
Flx_sqr 354610
_Flxq_neg 366572
_Flx_add 389834
bounded_order 394052
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416644
Flx_deflate 420969
Flx_integXn 422810
Flxq_norm 443318
Fl2_equal1 462852
Flx_to_int_halfspec 468821
Flxq_powu 488424
int_to_Flx_half 507268
Flxn_mulhigh 517051
Flx_blocks 517132
Flxq_easylog 519202
Flx_eval2BILspec 579103
Flx_divrem_Barrett 604489
FlxV_to_ZXV 606888
Flxq_auttrace_sqr 655277
Flxq_invsafe 670655
kron_pack_Flx_spec_half 688104
_Fl2_pow 690462
Fl2_pow_pre 690479
Flx_sqrspec_Kronecker 691182
Flxq_auttrace_mul 782798
Flx_Flxq_eval 790617
Flv_roots_to_pol 795686
Flxq_minpoly_pre 810642
Flx_extgcd 857186
Flx_halfgcd_pre 874227
Flx_subspec 897776
Flx_divrem_Barrettspec 905427
Flxq_pow 932610
Flx_mulhigh_i 938678
monomial_Flx 942650
Flxq_auttrace_pre 962173
Flx_triple 1049887
Flx_halfgcd_all_i 1128012
Flx_halfgcd_all_pre 1128016
Flx_halfres_basecase 1135091
Flx_halfres_i 1155056
_Flxq_rmul 1461838
Flv_polint 1486561
_Flxq_red 1550928
Rg_to_F2 1706797
Flv_inv 1744757
Flv_producttree 1745955
Flxq_transmul_init 1748425
Flv_inv_i 1756769
Flx_neg_inplace 1756920
Flx_Flv_multieval_tree 1786260
Flx_red 1880223
_Fl2_mul 1986341
Fl2_mul_pre 2014779
Flx_lgrenormalizespec 2132702
RgX_to_Flx 2250317
Flxq_div_pre 2417764
Flx_Flxq_eval_pre 2444084
Flx_double 2445177
FlvV_polint_tree 2540707
random_Flx 2646492
Flxq_sqr 2759490
FlxV_to_ZXV_inplace 3028158
Flx_negspec 3264395
Flx_neg 3264403
Rg_to_Flxq 3598604
Flx_addshift 3684967
ZXT_to_FlxT 3797617
Flxq_transmul 4217639
Flxq_inv_pre 4284259
Flx_val 4494940
Flx_resultant 4734262
Flx_mod_Xnm1 5057458
_Fl2_sqr 5076203
Fl2_sqr_pre 5076212
Flxn_mul_pre 5162832
Flxq_invsafe_pre 5429032
kron_unpack_Flx_bits_wide 5580191
kron_unpack_Flx_bits_narrow 5656834
Flx_extgcd_basecase 6286193
Flx_extgcd_pre 6286197
Flxn_red 6333131
zx_to_Flx 6536765
Flx_addspec 7170354
Flx_mulspec_Kronecker 7262662
Flx_recipspec 7292959
Flx_Fl_mul 7326045
Z_to_Flx 7561351
mkF2 7563256
maxbitcoeffpol 8376604
Flx_is_squarefree 9183239
Flx_Fl_add 10024628
_Flx_mul 11012312
Flx_Fl_mul_to_monic 12023322
Flx_blocks_Flm 12968468
FlxV_to_Flm_lg 12969421
Flx_FlxqV_eval_pre 13168180
Flxq_mul 13191057
Flx_Frobenius_pre 13805676
Flx_get_red 14493440
Flx_resultant_basecase_pre 14620420
Flx_resultant_pre 14622370
Flx_Fl_mul_pre 18290346
Flv_inv_pre_inplace 19668218
Flx_eval 20423352
kron_pack_Flx_spec_bits 20808477
Fl_to_Flx 21220947
Flv_inv_pre_indir 21400693
_Flxq_pow 22402807
Flxq_pow_Frobenius 22410214
_Flxq_one 22425687
Flxq_powers_pre 22425756
Flx_deriv 22980581
_Flxq_powu_i 23098774
Flxq_pow_pre 23451697
Flxq_powu_pre 24353595
Flv_to_Flx 25483830
Flx_equal 26962971
Flx_shift 27387659
Flx_valrem 27439589
Flx_mul 27823863
Flx_divrem 30449856
Flx_gcd 34237771
Flx_div_by_X_x 34761635
Flx_to_ZX_inplace 36559460
Flx_to_ZX 38283788
Flx_rem 42214641
Flx_eval_powers_pre 48655850
Flx_divrem_basecase 62285414
Flx_normalize 63970321
Flx_add 64857780
Flx_to_Flv 66628417
set_Flxq_pre 69532264
Rg_to_Fl 73222146
Flx_divrem_pre 79727248
Flx_gcd_basecase 85164975
Flx_gcd_pre 86826744
Flx_get_red_pre 97282370
Flx_eval_pre 136392929
Flx_sub 138667119
_Flxq_mul 147834540
ZX_to_Flx 170951337
Flxq_mul_pre 189048629
_Flxq_sqr 270037076
Flxq_sqr_pre 277995344
Flx_sqrspec_basecase 278389580
Flx_sqr_pre 278986920
Flx_sqrspec 279161742
Flx_mulspec_basecase 345073071
Flx_mul_pre 377156651
Flx_mulspec 382708534
Flx_shiftip 632433151
Flx_rem_basecase 800788818
Flx_rem_pre 925579040
get_Flx_red 989548349
Flx_mullimb 1185412331
Flx_renormalize 2152062996
get_Fl_threshold 2327310101
Flx_mullimb_ok 3374239164

Generated by: LCOV version 1.16