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:

• with GMP kernel
• with GMP kernel using --mt=pthread
• with native kernel, including micro-assembler code
• with native kernel, without micro-assembler
• with native kernel, without micro-assembler, disabling GCC extensions (DISABLE_INLINE)
• with GMP kernel, emulating an x86_32 architecture at Configure time via setarch

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 - graph - plotport.c (source / functions) Hit Total Coverage Test: PARI/GP v2.18.1 lcov report (development 30702-bddb8d6928) Lines: 899 1423 63.2 % Date: 2026-02-23 02:23:56 Functions: 93 131 71.0 % Legend: Lines: hit not hit

Function Name	Hit count
Draw	0
_ploth	0
_psdraw	0
_psdraw_scale	0
chk_8bit	0
clipline	0
cp	0
cpd	0
gendraw	0
get_xy	0
hex2	0
param_recursion	0
pari_plot_by_file	0
parploth	0
plotarc	0
plotclip	0
plotcolor	0
plotcopy	0
plotdraw	0
ploth	0
ploth0	0
plothraw	0
plothsizes	0
plotpointsize	0
plotrecthraw	0
ps_arc	0
ps_fillarc	0
ps_fillrect	0
psdraw	0
psploth	0
psploth0	0
psplothraw	0
rectarc0	0
rectsplines	0
spline_eval	0
svg_ell	0
svg_fillell	0
svg_fillrect	0
plotrecth	5
plotrecth0	5
parplothexport	10
gtodblList	11
plotbox	11
plothraw_i	11
plothrawexport	11
plotline	11
plotpoint	11
plotpointtype	11
plotrbox	11
plotrecthraw_i	11
plotrline	11
plotrmove	11
plotrpoint	11
plotscale	11
ps_points	18
svg_points	20
dblV_from_RgV	22
plotlines	22
plotpoint0	22
plotpoints	22
plotpoints0	22
ps_lines	24
plotcursor	30
plothexport	32
plothexport0	32
plotinit	33
pari_get_psplot	41
rect2ps	41
rect2ps_i	41
_plothexport	42
plotexport	43
wxy_init	43
wxy_n	43
plotrecth_i	47
plotrecthin	47
ps_rect	47
svg_lines	50
pari_get_fmtplot	53
pari_get_svgplot	55
rect2svg	55
svg_head	55
svg_tail	55
_box	58
plotrecthrawin	58
rectlines0	58
svg_rect	65
initrect_get_arg	66
plotscale0	69
plotmove	72
rectbox0	80
_line	84
ps_string	84
fmt_convert	96
gen_draw	96
rectline0	106
set_range	116
initrect_i	139
plotkill	139
svg_text	150
plotlinetype	200
rectticks	232
plotstring	234
color_to_rgb	339
colormap_to_color	339
colorname_to_rgb	339
rgb_to_long	339
_move	354
plotmove0	437
svg_point	674
ps_point	737
pari_init_graphics	1491
pari_kill_plot_engine	1491
pari_set_plot_engine	1491
check_rect_init	1703
check_rect	1842
ps_line	2370
ps_sc	2561
svg_line	3385
svg_color	3750
rmiddle	6435
long_to_rgb	6650
Rchain	6937
freeobj	6937
single_recursion	8905
get_xy_from_vec	23600
Appendx	28075
set_xrange	29175
Appendy	44075
set_yrange	45175
svg_rescale	90548
DTOL	116235

Generated by: LCOV version 1.16