diff options
-rwxr-xr-x | cores/arduino/Print.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/cores/arduino/Print.cpp b/cores/arduino/Print.cpp index e541a6c..98969f5 100755 --- a/cores/arduino/Print.cpp +++ b/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) { |