IAR Embedded Workbench for RH850 3.20.xIAR C/C++ DevelopmentThe preprocessorDescription of predefined preprocessor symbols__FPU____FPU__In this section: DescriptionSpecifies the selected floating-point unit. The symbol reflects the --fpu option and is defined to __FPU_NONE__, __FPU_SINGLE__, or __FPU_DOUBLE__.