1 files changed, 14 insertions, 0 deletions
diff --git a/userland/libc/include/math.h b/userland/libc/include/math.h
index 9d4f4b4..d85b3a0 100644
--- a/userland/libc/include/math.h
+++ b/userland/libc/include/math.h
@@ -1,2 +1,16 @@
 #define max(_a, _b) ((_a) > (_b) ? (_a) : (_b))
 #define min(_a, _b) ((_a) < (_b) ? (_a) : (_b))
+
+#if 100*__GNUC__+__GNUC_MINOR__ >= 303
+#define NAN       __builtin_nanf("")
+#define INFINITY  __builtin_inff()
+#else
+#define NAN       (0.0f/0.0f)
+#define INFINITY  1e40f
+#endif
+
+#define HUGE_VALF INFINITY
+#define HUGE_VAL  ((double)INFINITY)
+#define HUGE_VALL ((long double)INFINITY)
+
+double ldexp(double x, int exp);