July 20–24, 2015
Portland, OR
Joe Darcy

Joe Darcy
Member of Technical Staff, Oracle


Joe Darcy is a long-time developer in the JDK engineering group who as “Java Floating-Point Czar” has looked after Java numerics, amongst other responsibilities. Joe was involved with the design of Java’s strictfp floating-point semantics, added numerous floating-point math library methods to the platform, helped expand BigDecimal support, and added hexadecimal floating-point literals to the Java language and library. Joe was a participant in and interim editor for the IEEE 754r working group to revise the IEEE 754 floating-point standard.


11:30am–12:10pm Wednesday, 07/22/2015
Solve E147/148
Joe Darcy (Oracle)
Learn about how floating-point arithmetic approximates real arithmetic, and lessons for more effective (and less surprising) numerical programming. Read more.