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 - ZV.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30347-cb65b7994e) Lines: 839 988 84.9 %
Date: 2025-06-27 09:22:08 Functions: 131 149 87.9 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Flc_lincomb1_inplace 29892937
QM_QC_mul 126951
QM_mul 558644
QM_sqr 700
RgM_check_ZM 644153
RgM_issquare 42
RgV_check_ZV 1499101
ZC_Q_mul 2757731
ZC_ZV_mul 0
ZC_Z_add 366838
ZC_Z_div 3676670
ZC_Z_divexact 5780260
ZC_Z_mul 36136221
ZC_Z_sub 0
ZC_add 27071555
ZC_add_i 37101481
ZC_copy 18130276
ZC_divexactu 2261
ZC_hnfdivrem 10681668
ZC_hnfdivrem_i 11308527
ZC_is_ei 174398
ZC_lincomb 34777914
ZC_lincomb1 16019985
ZC_lincomb1_inplace 64085834
ZC_lincomb1_inplace_i 75140378
ZC_lincomb_1 757409
ZC_modhnf 280
ZC_neg 6354604
ZC_reducemodlll 97985
ZC_reducemodmatrix 112287
ZC_reducemodmatrix_i 112287
ZC_sub 9086123
ZC_sub_i 9418695
ZC_z_mul 64251
ZMV_to_zmV 49
ZM_Q_mul 1140685
ZM_ZC_mul 25778282
ZM_ZC_mul_i 77291105
ZM_ZV_divrem 0
ZM_Z_div 19308
ZM_Z_divexact 530374
ZM_Z_mul 3378800
ZM_add 844519
ZM_copy 667234
ZM_det_triangular 4141970
ZM_diag_mul 578852
ZM_divexactu 441
ZM_equal 3494791
ZM_equal0 73997
ZM_hnfdivrem 491854
ZM_hnfdivrem_i 491870
ZM_isdiagonal 625683
ZM_ishnf 826653
ZM_isidentity 658074
ZM_isscalar 161025
ZM_max_expi 0
ZM_max_expi_i 0
ZM_max_lg 22781
ZM_max_lg_i 27466038
ZM_modhnf 14
ZM_mul 20855537
ZM_mul_classical 13658974
ZM_mul_diag 21
ZM_mul_fast 839
ZM_mul_i 21238212
ZM_mul_slice 1104
ZM_mul_sw 74295
ZM_mul_worker 1104
ZM_multosym 0
ZM_nc_mul_i 0
ZM_neg 1732106
ZM_nm_mul 0
ZM_pow 0
ZM_powu 23632
ZM_reducemodlll 0
ZM_reducemodmatrix 239840
ZM_reducemodmatrix_i 239841
ZM_sqr 25235
ZM_sqr_fast 0
ZM_sqr_i 25235
ZM_sqr_slice 0
ZM_sqr_worker 0
ZM_sub 156891
ZM_supnorm 4260
ZM_to_zm 1022
ZM_togglesign 0
ZM_transmul 2289
ZM_transmultosym 532221
ZM_zc_mul 17289225
ZM_zc_mul_i 19357607
ZM_zm_mul 976774
ZMrow_ZC_mul 135842186
ZMrow_ZC_mul_i 587397083
ZMrow_equal0 16231
ZRED 1170475
ZV_ZM_mul 231175
ZV_ZV_divrem 7
ZV_abscmp 19747
ZV_cmp 3249895
ZV_content 300440
ZV_dotproduct 16622691
ZV_dotproduct_i 19462180
ZV_dotsquare 6842960
ZV_equal 293274
ZV_equal0 14689998
ZV_equal_lg 6510646
ZV_max_expi 0
ZV_max_expi_i 0
ZV_max_lg 10640
ZV_max_lg_i 110668349
ZV_neg_inplace 391096
ZV_prod 8855926
ZV_sum 77
ZV_to_nv 496643
ZV_togglesign 5128954
ZV_zc_mul 2229528
Z_ZC_sub 584562
ZincrementalGS 1279159
Zupdate_row 402268
_ZM_mul 280
_ZM_sqr 24157
_mulii 319217323
add_slices 594360
check_ZV 2029191
matmodhnf 49
matmodhnf_check 98
nm_Z_mul 0
subtract_slices 520065
sw_bound 13733265
vecsmall_prod 14694393
zmV_to_ZMV 126
zm_to_Flm 22694
zm_to_ZM 158004
zvV_equal 1638
zv_ZM_mul 2408
zv_abs 77
zv_canon_inplace 22921521
zv_content 18463543
zv_dotproduct 196399119
zv_equal 30988866
zv_equal0 23113179
zv_neg 51871
zv_neg_inplace 126
zv_prod 950987
zv_prod_Z 1933120
zv_sum 16504
zv_sumpart 0
zv_to_Flv 366646
zv_z_mul 28515

Generated by: LCOV version 1.16