Add several more constants from math.h.
These entries are necessary for com.google.common.geometry to compile in `swift-friendly` mode.
@@ -108,7 +108,9 @@ O_TRUNC O_EXCL O_NOCTTY O_NOFOLLOW O_DSYNC
DBL_DIG
# Definitions from math.h
-DOMAIN HUGE INFINITY NAN OVERFLOW SING UNDERFLOW signgam
+DBL_EPSILON DOMAIN HUGE INFINITY M_1_PI M_E M_PI M_PI_2 M_PI_4 M_SQRT1_2
+M_SQRT2 NAN OVERFLOW SING UNDERFLOW signgam
+
# Definitions from mman.h
MAP_FIXED MAP_PRIVATE MAP_SHARED MCL_CURRENT MCL_FUTURE MS_ASYNC
