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 - Qfb.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30658-0716cf3506) Lines: 1108 1229 90.2 %
Date: 2026-01-31 09:22:40 Functions: 133 143 93.0 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
qfb_1 0
qfbcompraw_i 0
qfisolvep 0
qfr3_1 0
qfr3_powraw 0
qfr5_1 0
qfr_1_fill 0
qfr_red 0
qfrsolvep 0
quadgen 0
_qfimulraw 7
_qfisqrraw 7
qfbinv 7
qfi_rho 7
qfipowraw 7
qfr5_powraw 7
qfrinvraw 7
qfrpowraw 14
qfbpowraw 21
qfr5_pow 21
qfr_1 35
qfr_disc 35
qfrsqr0 35
qfr_red_av 63
qfb_comp_gen 84
qfrpow 112
qfr5_init 140
qfr3_init 371
qfr_red_basecase_i 427
qfr_red_i 427
qfrcomp0 441
qfr5_to_qfr 483
quadgen0 574
nupow 1008
quadpoly0 1022
quadpoly 2037
qfr_data_init 2170
check_quaddisc_imag 2184
qfbcompraw 2198
qfr3_pow 4557
mul_nucomp 4739
famat_divsqr 5299
qfr_1_by_disc 6867
check_quaddisc_real 6916
qfbcornacchia 7630
qfbsolve_all 10227
mul_nudupl 11606
nudupl 11648
qfr3_to_qfr 31920
cornacchia2_sqrt 35483
allsols 48026
qfbred 53237
qfbred0 55050
cornacchia 55259
GL2_qfb_equal 61068
pqfbred_basecase 61492
qfb3_SL2_apply 61913
Qfb0 77231
pqfbred_iter_1 124020
pqfbred_rec 124020
qfb_minexpi 125056
qfbsqr 128962
primeform 135571
qfbcomp 137645
qfb3 139081
check_quaddisc 151721
qfr5_dist 184688
qfr_redsl2 209575
qfr_to_qfr5 217728
qfisolvep_all 223047
quadpoly_i 241304
quadpoly_ii 243334
SL2_div_mul_e1 344318
nucomp 400722
parteucl 412328
qfbredsl2 519892
qfbsqr_i 694003
qfi_1 750903
qfi_1_by_disc 762973
qfrsolve_normform 770126
is_qfi 814212
qfisqr0 822930
qfb_inv 919894
qfi_red_1_b0 959005
qfr_redsl2_basecase 979701
quadpoly_bc 1006307
qfr3_comp 1009397
qfr3_compraw 1009397
setq_b0 1061852
qfr3_rho 1139446
qfr3_red 1172847
qfbpows 1373243
cornacchia2 1381046
cornacchia2_i 1415776
lastqi 1415990
qfisolve_normform 1445672
qfbpow 1471513
qfr5_comp 1735216
qfr5_compraw 1735230
known_prime 1862949
pqfbred_1 1921185
check_qfbext 1935231
qfr5_red 1952895
is_minimal 2046352
qfsolve_normform 2215798
normforms 2620771
REDB 2776818
qfbsolve_primitive 2828297
qfb_initrd 2838524
qfbsolve 2838532
qfbsolve_primitive_i 2843824
redimagsl2 4881419
lti2n 4940497
qfi_redsl2 5191732
qfi_redsl2_basecase 6782086
qfr5_rho 8486681
fix_expo 10217928
qfr_rhosl2 10810674
primeform_u 12572403
qfr_rhosl2_i 13379357
_qfimul 14108476
rho_get_BC 14152531
REDBU 14167172
qfbpow_i 15027721
qfbred_i 15748217
qfipow 16499120
dvmdii_round 16943991
ab_isreduced 17712973
qfi_red 23177021
qfb_equal 23783633
qfbcomp_i 27720563
_qfisqr 32713591
qfb_sqr 34652208
qficomp0 74678125
qfb_comp 77417571
setq 97831512
qfi_red_1 98855574
qfi_red_av 98924872
qfi_red_basecase_av 99027895
qfi_red_fast 104329448
qfb_maxexpi 104636979
sREDB 113209201
dvmdsu_round 113212350

Generated by: LCOV version 1.16