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-rw-r--r--ext/bigdecimal/bigdecimal.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c
index 59a0cef155..f4c22b5060 100644
--- a/ext/bigdecimal/bigdecimal.c
+++ b/ext/bigdecimal/bigdecimal.c
@@ -439,7 +439,9 @@ BigDecimal_IsNaN(VALUE self)
return Qfalse;
}
-/* Returns True if the value is infinite */
+/* Returns nil, −1, or +1 depending on whether the value is finite,
+ * -infinity, or +infinity.
+ */
static VALUE
BigDecimal_IsInfinite(VALUE self)
{
@@ -755,7 +757,7 @@ BigDecimal_zero(VALUE self)
return VpIsZero(a) ? Qtrue : Qfalse;
}
-/* Returns True if the value is non-zero. */
+/* Returns self if the value is non-zero, nil otherwise. */
static VALUE
BigDecimal_nonzero(VALUE self)
{