GENERAL: Floating-point Standard

Information in this article applies to:

• C51 All Versions
• C166 All Versions
• C251 All Versions
• Keil MDK All Versions

QUESTION

Which standard does Keil use for floating-point numbers?

ANSWER

Keil uses the IEEE-754 standard for floating-point numbers. This standard is well-accepted and used everywhere. Refer to the compiler manual for a discussion of the storage format for floating-point.

MORE INFORMATION

• Refer to Floating-point Numbers in the Cx51 User's Guide.

SEE ALSO

• C51: Support for Floating-point Numbers
• GENERAL: What Is a Floating-point Operation?
• C51: What Are the Limits for Floating-point Numbers?
• C51: Floating Point Library Routines Register Usage

Last Reviewed: Thursday, February 25, 2021