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authorKeith Packard <keithp@keithp.com>2017-12-12 15:25:51 -0800
committerKeith Packard <keithp@keithp.com>2017-12-12 15:25:51 -0800
commitd8c9024f3829dc3f241b16869f165f3ee01764f3 (patch)
treeee3038984838551412feeeee5e56c22afe83a99b /src/scheme/ao_scheme_float.c
parenta15166c435f65cb36f487ec8e5a4ff558a7e0502 (diff)
altos/scheme: Support scheme subsetting via feature settings
This provides for the creation of smaller versions of the interpreter, leaving out options like floating point numbers and vectors. Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/scheme/ao_scheme_float.c')
-rw-r--r--src/scheme/ao_scheme_float.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/scheme/ao_scheme_float.c b/src/scheme/ao_scheme_float.c
index 99249030..c026c6fb 100644
--- a/src/scheme/ao_scheme_float.c
+++ b/src/scheme/ao_scheme_float.c
@@ -15,6 +15,8 @@
#include "ao_scheme.h"
#include <math.h>
+#ifdef AO_SCHEME_FEATURE_FLOAT
+
static void float_mark(void *addr)
{
(void) addr;
@@ -150,3 +152,4 @@ ao_scheme_do_sqrt(struct ao_scheme_cons *cons)
return ao_scheme_error(AO_SCHEME_INVALID, "%s: non-numeric", ao_scheme_poly_atom(_ao_scheme_atom_sqrt)->name);
return ao_scheme_float_get(sqrtf(ao_scheme_poly_number(value)));
}
+#endif