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 30651-3e52073f6d) Lines: 2553 2925 87.3 %
Date: 2026-01-28 09:23:10 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 2063
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 3625
Flv_prod_pre 3719
_Flx_composedsum 3882
Flx_powu_pre 4035
Flxq_pow_table_pre 4393
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5463
_Flxq_rand 6563
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8183
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 9644
Flx_mulspec_mulii 10142
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 12211
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 22302
Flxq_sqrtn 23095
Flx_invBarrett_Newton 23160
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27344
Flx_composedsum 27549
FlxV_composedsum 28976
Flx_translate1_basecase 29202
Flx_mod_Xn1 31510
FlxV_Flc_mul 34482
Fl_Flxq_log 35563
Flxq_sqrtl_spec_pre 37666
Flxq_sumautsum_msqr 40915
translate_basecase 42367
kron_unpack_Flx 42785
Flxq_minpoly 45937
FlxM_pack_ZM 46835
Flxq_autpow_sqr 47315
Flv_inv_indir 52212
kron_pack_Flx_spec 53168
Flx_Newton 54089
Flx_invLaplace 54352
Flxn_div 56332
Flxn_div_pre 56351
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 71405
Flx_is_smooth 74256
Flxn_mul 75839
Fl2_sqrtn_pre 76038
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_matFrobenius_pre 86568
Flx_Frobenius 86618
Flx_mulspec_quartmulii 97166
Flxq_order 97328
Flxq_autsum_pre 98770
FlxC_to_ZXC 104060
Flv_Flm_polint 104561
Flxq_autsum_sqr 105116
int_to_Flx_quart 107385
Flxn_expint 109396
Flx_fromNewton 109398
Flxq_autsum_mul 112480
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
_Fl2_rand 113814
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 118653
Flx_is_smooth_squarefree 126842
Fl2_norm_pre 127544
Flx_invBarrett_basecase 134392
Flx_extgcd_halfgcd 146649
Flx_splitting 148181
Flx_Fl_sub 151680
Flv_invVandermonde 153445
Flx_invBarrett_pre 158852
Flx_inflate 161537
Flxq_log 164210
Flxq_matrix_pow_pre 170665
FlxV_to_Flm 171886
Fl2_inv_pre 197205
Flx_to_int_quartspec 204550
Flxq_sumautsum_pre 210713
Flxn_recip 217287
Flxq_sqrt 230547
Flxq_sqrt_pre 230547
Flxq_powers 232008
FlxqC_red_pre 234845
Flxq_div 237891
get_Flxq_star 283439
Flx_mulspec_mulii_inflate 294044
Flxq_sumautsum_sqr 295314
FlxT_red 301858
Z_mod2BIL_Flx 305858
Z_mod2BIL_Flx_2 308788
FlxC_eval_powers_pre 325145
Flxq_inv 335769
Flx_sqr 354826
_Flxq_neg 366572
_Flxq_add 389834
bounded_order 395385
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416802
Flx_deflate 420798
Flx_integXn 422721
Flxq_norm 443132
Fl2_equal1 449660
Flx_to_int_halfspec 468590
Flxq_powu 488337
int_to_Flx_half 507058
Flxq_easylog 519393
Flxn_mulhigh 525790
Flx_blocks 525839
Flx_eval2BILspec 603291
Flx_divrem_Barrett 606698
FlxV_to_ZXV 606837
Flxq_auttrace_sqr 652794
Flxq_invsafe 670492
_Fl2_pow 671372
Fl2_pow_pre 671378
kron_pack_Flx_spec_half 688104
Flx_sqrspec_Kronecker 695242
Flxq_auttrace_mul 780093
Flx_Flxq_eval 791302
Flxq_minpoly_pre 809714
Flv_roots_to_pol 842010
Flx_extgcd 856796
Flx_halfgcd_pre 873195
Flx_subspec 900672
Flx_divrem_Barrettspec 908210
monomial_Flx 941270
Flx_mulhigh_i 947532
Flxq_pow 948310
Flxq_auttrace_pre 959955
Flx_triple 1049261
Flx_halfgcd_all_i 1126839
Flx_halfgcd_all_pre 1126844
Flx_halfres_basecase 1133915
Flx_halfres_i 1153883
_Flxq_rmul 1461838
Flv_polint 1485219
_Flxq_red 1550928
Rg_to_F2 1710312
Flv_inv 1744494
Flv_producttree 1745691
Flxq_transmul_init 1746362
Flv_inv_i 1756508
Flx_neg_inplace 1780025
Flx_Flv_multieval_tree 1785999
Flx_red 1886814
_Fl2_mul 1923873
Fl2_mul_pre 1952923
Flx_lgrenormalizespec 2138632
RgX_to_Flx 2249935
Flxq_div_pre 2416846
Flx_double 2443925
Flx_Flxq_eval_pre 2444610
FlvV_polint_tree 2587323
random_Flx 2646040
Flxq_sqr 2763156
FlxV_to_ZXV_inplace 3031558
Flx_negspec 3266232
Flx_neg 3266244
Rg_to_Flxq 3588182
Flx_addshift 3729093
ZXT_to_FlxT 3815043
Flxq_transmul 4212674
Flxq_inv_pre 4286542
Flx_val 4477129
Flx_resultant 4731778
Flx_mod_Xnm1 4906631
Fl2_sqr_pre 4910546
_Fl2_sqr 4910575
Flxn_mul_pre 5177672
Flxq_invsafe_pre 5429599
kron_unpack_Flx_bits_wide 5668558
kron_unpack_Flx_bits_narrow 5669866
Flx_extgcd_basecase 6286372
Flx_extgcd_pre 6286374
Flxn_red 6358025
zx_to_Flx 6412927
Flx_addspec 7259598
Flx_recipspec 7292577
mkF2 7323652
Flx_Fl_mul 7329871
Flx_mulspec_Kronecker 7360877
Z_to_Flx 7556738
maxbitcoeffpol 8489324
Flx_is_squarefree 9180953
Flx_Fl_add 9845268
_Flx_mul 11776937
Flx_Fl_mul_to_monic 11857417
Flx_blocks_Flm 12967981
FlxV_to_Flm_lg 12968617
Flx_FlxqV_eval_pre 13167448
Flxq_mul 13192568
Flx_Frobenius_pre 13813112
Flx_get_red 14503330
Flx_resultant_basecase_pre 14597453
Flx_resultant_pre 14599310
Flx_Fl_mul_pre 18294384
Flv_inv_pre_inplace 19349872
Flx_eval 20428702
kron_pack_Flx_spec_bits 21009495
Flv_inv_pre_indir 21087435
Fl_to_Flx 21947263
_Flxq_pow 22372014
Flxq_pow_Frobenius 22379425
_Flxq_one 22436737
Flxq_powers_pre 22437417
_Flxq_powu_i 22925768
Flx_deriv 22981242
Flxq_pow_pre 23442866
Flxq_powu_pre 24180989
Flv_to_Flx 25487886
Flx_equal 26931032
Flx_shift 27396864
Flx_mul 27811516
Flx_valrem 28480938
Flx_divrem 30450872
Flx_gcd 35019312
Flx_to_ZX_inplace 36575833
Flx_div_by_X_x 36579196
Flx_to_ZX 38300678
Flx_rem 42230997
Flx_eval_powers_pre 48608072
Flx_divrem_basecase 62288678
Flx_normalize 64822569
Flx_add 66132586
Flx_to_Flv 66647769
set_Flxq_pre 69360855
Rg_to_Fl 73210285
Flx_divrem_pre 79733095
Flx_gcd_basecase 85776638
Flx_gcd_pre 87441518
Flx_get_red_pre 97113432
Flx_eval_pre 136184248
Flx_sub 138654452
_Flxq_mul 146820406
ZX_to_Flx 171004859
Flxq_mul_pre 188027834
_Flxq_sqr 267250450
Flxq_sqr_pre 275109904
Flx_sqrspec_basecase 275496201
Flx_sqr_pre 276091289
Flx_sqrspec 276198806
Flx_mulspec_basecase 347231288
Flx_mul_pre 379377960
Flx_mulspec 384972850
Flx_shiftip 631858018
Flx_rem_basecase 798702049
Flx_rem_pre 922773979
get_Flx_red 986797429
Flx_mullimb 1185831482
Flx_renormalize 2152156529
get_Fl_threshold 2325672988
Flx_mullimb_ok 3374877167

Generated by: LCOV version 1.16