diff --git a/src/evalfunc.c b/src/evalfunc.c
index b16b260..60cd344 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -3352,9 +3352,9 @@
 
     if (get_float_arg(argvars, &f) == OK)
     {
-	if (f < -VARNUM_MAX)
+	if (f <= -VARNUM_MAX + DBL_EPSILON)
 	    rettv->vval.v_number = -VARNUM_MAX;
-	else if (f > VARNUM_MAX)
+	else if (f >= VARNUM_MAX - DBL_EPSILON)
 	    rettv->vval.v_number = VARNUM_MAX;
 	else
 	    rettv->vval.v_number = (varnumber_T)f;