From eae6d13435116dfc37038a23537ecb24c1a474b8 Mon Sep 17 00:00:00 2001
From: Nathan VanBenschoten <nvanbenschoten@gmail.com>
Date: Wed, 13 Jan 2016 13:27:32 -0500
Subject: [PATCH] Prevent unnecessary int64 overflow in NewFromFloat

---
 decimal.go      | 2 +-
 decimal_test.go | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/decimal.go b/decimal.go
index cbbce7b..9f62fea 100644
--- a/decimal.go
+++ b/decimal.go
@@ -140,7 +140,7 @@ func NewFromFloat(value float64) Decimal {
 	floor := math.Floor(value)
 
 	// fast path, where float is an int
-	if floor == value && !math.IsInf(value, 0) {
+	if floor == value && value <= math.MaxInt64 && value >= math.MinInt64 {
 		return New(int64(value), 0)
 	}
 
diff --git a/decimal_test.go b/decimal_test.go
index e560ffb..f3169f3 100644
--- a/decimal_test.go
+++ b/decimal_test.go
@@ -31,6 +31,7 @@ var testTable = map[float64]string{
 	.1000000000000003:   "0.1000000000000003",
 	.1000000000000005:   "0.1000000000000005",
 	.1000000000000008:   "0.1000000000000008",
+	1e25:                "10000000000000000000000000",
 }
 
 var testTableScientificNotation = map[string]string{