From 4650c2c3d87def7e0b05f0273ba947096a935c20 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Iv=C3=A1n=20P=C3=A9rez?= <ivanperez2@gmail.com>
Date: Mon, 12 Sep 2016 08:56:02 +0200
Subject: [PATCH] WString: add `toDouble`

`toFloat` internally converts into double and then truncates into a
float, so why not add a method to return the double?
---
 hardware/arduino/avr/cores/arduino/WString.cpp | 9 +++++++--
 hardware/arduino/avr/cores/arduino/WString.h   | 1 +
 hardware/arduino/sam/cores/arduino/WString.cpp | 9 +++++++--
 hardware/arduino/sam/cores/arduino/WString.h   | 1 +
 4 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/hardware/arduino/avr/cores/arduino/WString.cpp b/hardware/arduino/avr/cores/arduino/WString.cpp
index 9975303c8..998cf22d3 100644
--- a/hardware/arduino/avr/cores/arduino/WString.cpp
+++ b/hardware/arduino/avr/cores/arduino/WString.cpp
@@ -740,6 +740,11 @@ long String::toInt(void) const
 
 float String::toFloat(void) const
 {
-	if (buffer) return float(atof(buffer));
-	return 0;
+	return float(toDouble());
 }
+
+double String::toDouble(void) const
+{
+    if (buffer) return atof(buffer);
+    return 0;
+}
\ No newline at end of file
diff --git a/hardware/arduino/avr/cores/arduino/WString.h b/hardware/arduino/avr/cores/arduino/WString.h
index de5632c12..08b8147bc 100644
--- a/hardware/arduino/avr/cores/arduino/WString.h
+++ b/hardware/arduino/avr/cores/arduino/WString.h
@@ -190,6 +190,7 @@ public:
 	// parsing/conversion
 	long toInt(void) const;
 	float toFloat(void) const;
+    double toDouble(void) const;
 
 protected:
 	char *buffer;	        // the actual char array
diff --git a/hardware/arduino/sam/cores/arduino/WString.cpp b/hardware/arduino/sam/cores/arduino/WString.cpp
index 533298225..e4efc7d4f 100644
--- a/hardware/arduino/sam/cores/arduino/WString.cpp
+++ b/hardware/arduino/sam/cores/arduino/WString.cpp
@@ -742,6 +742,11 @@ long String::toInt(void) const
 
 float String::toFloat(void) const
 {
-	if (buffer) return float(atof(buffer));
-	return 0;
+	return float(toDouble());
 }
+
+double String::toDouble(void) const
+{
+    if (buffer) return atof(buffer);
+    return 0;
+}
\ No newline at end of file
diff --git a/hardware/arduino/sam/cores/arduino/WString.h b/hardware/arduino/sam/cores/arduino/WString.h
index de5632c12..08b8147bc 100644
--- a/hardware/arduino/sam/cores/arduino/WString.h
+++ b/hardware/arduino/sam/cores/arduino/WString.h
@@ -190,6 +190,7 @@ public:
 	// parsing/conversion
 	long toInt(void) const;
 	float toFloat(void) const;
+    double toDouble(void) const;
 
 protected:
 	char *buffer;	        // the actual char array