summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--gcc/ada/ChangeLog4
-rw-r--r--gcc/ada/a-reatim.ads9
2 files changed, 9 insertions, 4 deletions
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 96159b7d035..f12211edf15 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,5 +1,9 @@
2001-10-30 Robert Dewar <dewar@gnat.com>
+ * a-reatim.ads: Minor reformatting
+
+2001-10-30 Robert Dewar <dewar@gnat.com>
+
* gnatdll.adb: Minor reformatting throughout. Many ??? added for
undocumented declarations.
diff --git a/gcc/ada/a-reatim.ads b/gcc/ada/a-reatim.ads
index 563565bc663..09af01a660d 100644
--- a/gcc/ada/a-reatim.ads
+++ b/gcc/ada/a-reatim.ads
@@ -88,11 +88,12 @@ package Ada.Real_Time is
function Microseconds (US : Integer) return Time_Span;
function Milliseconds (MS : Integer) return Time_Span;
- -- With duration represented as a 64-bit number with a delta of
- -- 10 ** (-9), the number of seconds in Duration'Last does not fit
- -- in 32 bits.
+ -- Seconds_Count needs 64 bits, since Time has the full range of
+ -- Duration. The delta of Duration is 10 ** (-9), so the maximum
+ -- number of seconds is 2**63/10**9 = 8*10**9 which does not quite
+ -- fit in 32 bits.
- type Seconds_Count is range -2 ** 63 .. 2 ** 63 - 1;
+ type Seconds_Count is range -2 ** 63 .. 2 ** 63 - 1;
procedure Split (T : Time; SC : out Seconds_Count; TS : out Time_Span);
function Time_Of (SC : Seconds_Count; TS : Time_Span) return Time;