darkplaces/gmqcc
0
0
Fork 0
mirror of https://github.com/DarkPlacesEngine/gmqcc.git synced 2024-11-27 14:12:36 +00:00
Code Issues Projects Releases Packages Wiki Activity

Mask ftepp math constants with a compiler flag

Browse source
This commit is contained in:
Dale Weiler 2013-12-01 10:45:43 -05:00
parent b20e2a9d34
commit 6a44b72db3
4 changed files with 48 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
doc/gmqcc.1
View file

@ -397,6 +397,26 @@ only the first component will be 0, while the other two will become
the first to of the global return value. This behavior is odd and
relying on it should be discouraged, and thus is not supported by
gmqcc.
.It Fl f Ns Cm ftepp-mathdefs
Enable math constant definitions. This only works in combination
with \'\-fftepp' and is currently not included by '\-std=fteqcc'.
The following macros will be added:
.Bd -literal -offset indent
M_E
M_LOG2E
M_LOG10E
M_LN2
M_LN10
M_PI
M_PI_2
M_PI_4
M_1_PI
M_2_PI
M_2_SQRTPI
M_SQRT2
M_SQRT1_2
M_TAU
.Ed
.It Fl f Ns Cm relaxed-switch
Allow switch cases to use non constant variables.
.It Fl f Ns Cm short-logic

8
ftepp.c
View file

@ -1900,9 +1900,11 @@ ftepp_t *ftepp_create()
ftepp_add_macro(ftepp, "__NULL__", "nil");
/* add all the math constants if they can be */
for (i = 0; i < GMQCC_ARRAY_COUNT(ftepp_math_constants); i++)
if (!ftepp_macro_find(ftepp, ftepp_math_constants[i][0]))
ftepp_add_macro(ftepp, ftepp_math_constants[i][0], ftepp_math_constants[i][1]);
if (OPTS_FLAG(FTEPP_MATHDEFS)) {
for (i = 0; i < GMQCC_ARRAY_COUNT(ftepp_math_constants); i++)
if (!ftepp_macro_find(ftepp, ftepp_math_constants[i][0]))
ftepp_add_macro(ftepp, ftepp_math_constants[i][0], ftepp_math_constants[i][1]);
}
return ftepp;
}

22
gmqcc.ini.example
View file

@ -62,6 +62,28 @@
FTEPP_PREDEFS = false
#Enable math constant definitions. This only works in combination
#with '-fftepp' and is currently not included by '-std=fteqcc'.
#The following macros will be added:
#
# M_E
# M_LOG2E
# M_LOG10E
# M_LN2
# M_LN10
# M_PI
# M_PI_2
# M_PI_4
# M_1_PI
# M_2_PI
# M_2_SQRTPI
# M_SQRT2
# M_SQRT1_2
# M_TAU
FTEPP_MATHDEFS = false
#Allow switch cases to use non constant variables.
RELAXED_SWITCH = true

1
opts.def
View file

@ -31,6 +31,7 @@
GMQCC_DEFINE_FLAG(ADJUST_VECTOR_FIELDS)
GMQCC_DEFINE_FLAG(FTEPP)
GMQCC_DEFINE_FLAG(FTEPP_PREDEFS)
GMQCC_DEFINE_FLAG(FTEPP_MATHDEFS)
GMQCC_DEFINE_FLAG(RELAXED_SWITCH)
GMQCC_DEFINE_FLAG(SHORT_LOGIC)
GMQCC_DEFINE_FLAG(PERL_LOGIC)