From 52a46715c75bd15f7ae4d8145de74b7ee691f38c Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Tue, 17 Jan 2017 15:23:27 -0500
Subject: Math::Decimal::FastPP: Don't interpolate literal strings

---
diff --git a/lib/Math/Decimal/FastPP.pm b/lib/Math/Decimal/FastPP.pm
index 21ab2d2..bc5ffbe 100644
--- a/lib/Math/Decimal/FastPP.pm
+++ b/lib/Math/Decimal/FastPP.pm
@@ -82,7 +82,7 @@ use warnings;
 use Exporter qw(import);
 our @EXPORT_OK = qw(dadd dmul drhtz drhfz);
 
-our $VERSION = "0.001";
+our $VERSION = '0.001';
 
 =head2 dadd()
 
@@ -96,25 +96,25 @@ sub dadd
 {
 	my ($ai, $af) = split(/\./, $_[0]);
 	my ($bi, $bf) = split(/\./, $_[1]);
-	$af ||= "";
-	$bf ||= "";
+	$af ||= '';
+	$bf ||= '';
 	my $ae = length($af);
 	my $be = length($bf);
 	my $ce;
 	if ($ae == $be) {
 		$ce = $ae;
 	} elsif ($ae < $be) {
-		$af .= "0" x ($be - $ae);
+		$af .= '0' x ($be - $ae);
 		$ce = $be;
 	} else {
-		$bf .= "0" x ($ae - $be);
+		$bf .= '0' x ($ae - $be);
 		$ce = $ae;
 	}
 	my $as = $ai . $af;
 	my $bs = $bi . $bf;
 	my $cs = $as + $bs;
 	$cs = sprintf("%0${ce}i", $cs);
-	return substr($cs, 0, length($cs) - $ce) . "." .
+	return substr($cs, 0, length($cs) - $ce) . '.' .
 		substr($cs, length($cs) - $ce);
 }
 
@@ -130,8 +130,8 @@ sub dmul
 {
 	my ($ai, $af) = split(/\./, $_[0]);
 	my ($bi, $bf) = split(/\./, $_[1]);
-	$af ||= "";
-	$bf ||= "";
+	$af ||= '';
+	$bf ||= '';
 	my $as = $ai . $af;
 	my $ae = length($af);
 	my $bs = $bi . $bf;
@@ -139,7 +139,7 @@ sub dmul
 	my $cs = $as * $bs;
 	my $ce = $ae + $be;
 	$cs = sprintf("%0${ce}i", $cs);
-	return substr($cs, 0, length($cs) - $ce) . "." .
+	return substr($cs, 0, length($cs) - $ce) . '.' .
 		substr($cs, length($cs) - $ce);
 }
 
@@ -165,12 +165,12 @@ sub drhtz
 	my ($ai, $af, $ad) = $_[0] =~ m/^(-?\d*)\.(\d{$_[1]})(\d*)$/ or return;
 	my $as = $ai . $af;
 	if ($as >= 0) {
-		if ($ad > "5" . "0" x (length($ad) - 1)) { ++$as; }
+		if ($ad > '5' . '0' x (length($ad) - 1)) { ++$as; }
 	} else {
-		if ($ad > "5" . "0" x (length($ad) - 1)) { --$as; }
+		if ($ad > '5' . '0' x (length($ad) - 1)) { --$as; }
 	}
 	$as = sprintf("%0$_[1]i", $as);
-	return substr($as, 0, length($as) - $_[1]) . "." .
+	return substr($as, 0, length($as) - $_[1]) . '.' .
 		substr($as, length($as) - $_[1]);
 }
 
@@ -196,12 +196,12 @@ sub drhfz
 	my ($ai, $af, $ad) = $_[0] =~ m/^(-?\d*)\.(\d{$_[1]})(\d*)$/ or return;
 	my $as = $ai . $af;
 	if ($as >= 0) {
-		if ($ad >= "5" . "0" x (length($ad) - 1)) { ++$as; }
+		if ($ad >= '5' . '0' x (length($ad) - 1)) { ++$as; }
 	} else {
-		if ($ad >= "5" . "0" x (length($ad) - 1)) { --$as; }
+		if ($ad >= '5' . '0' x (length($ad) - 1)) { --$as; }
 	}
 	$as = sprintf("%0$_[1]i", $as);
-	return substr($as, 0, length($as) - $_[1]) . "." .
+	return substr($as, 0, length($as) - $_[1]) . '.' .
 		substr($as, length($as) - $_[1]);
 }
 
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