Printing NaN values as "nan" in printFloat().

damellis · damellis · commit 308d907694e3 · 2012-06-04T23:30:41.000-04:00
http://code.google.com/p/arduino/issues/detail?id=946
diff --git a/hardware/arduino/cores/arduino/Print.cpp b/hardware/arduino/cores/arduino/Print.cpp
@@ -226,6 +226,8 @@ size_t Print::printFloat(double number, uint8_t digits)
 { 
   size_t n = 0;
   
+  if (isnan(number)) return print("nan");
+  
   // Handle negative numbers
   if (number < 0.0)
   {

Original file line number	Diff line number	Diff line change
`@@ -226,6 +226,8 @@ size_t Print::printFloat(double number, uint8_t digits)`
`226`	`226`	`{`
`227`	`227`	`size_t n = 0;`
`228`	`228`
	`229`	`+ if (isnan(number)) return print("nan");`
	`230`	`+`
`229`	`231`	`// Handle negative numbers`
`230`	`232`	`if (number < 0.0)`
`231`	`233`	`{`