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IAR Embedded Workbench for RX 5.20

--double

In this section:
Syntax
--double {32|64} 
Parameters
32 (default)

32-bit doubles are used.

64

64-bit doubles are used.

For use with

All C-SPY drivers.

Description

Use this option to select the precision used by the compiler for representing the floating-point types double and long double.

See also

Basic data types—floating-point types and Size of double floating-point type.

Caution

Project>Options>General Options>Target>Size of type ‘double’