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Libraries and Floating Point Support Guide
Conventions and feedback
The ARM C and C++ libraries
The ARM C micro-library
Floating-point support
About floating-point support
The software floating-point library, fplib
Calling fplib routines
fplib arithmetic on numbers in a particular format
fplib conversions between floats, doubles, and int
fplib conversion between long longs, floats, and d
fplib comparisons between floats and doubles
fplib C99 functions
Controlling the ARM floating-point environment
Floating-point functions for compatibility with Mi
C99-compatible functions for controlling the ARM f
C99 rounding mode and floating-point exception mac
Exception flag handling
Functions for handling rounding modes
Functions for saving and restoring the whole float
Functions for temporarily disabling exceptions
ARM floating-point compiler extensions to the C99
Writing a custom exception trap handler
Example of a custom exception handler
Exception trap handling by signals
Using C99 signalling NaNs provided by mathlib (_WA
mathlib double and single-precision floating-point
Nonstandard functions in mathlib
IEEE 754 arithmetic
Basic data types for IEEE 754 arithmetic
Single precision data type for IEEE 754 arithmetic
Double precision data type for IEEE 754 arithmetic
Sample single precision floating-point values for
Sample double precision floating-point values for
IEEE 754 arithmetic and rounding
Exceptions arising from IEEE 754 floating-point ar
Ignoring exceptions from IEEE 754 floating-point a
Trapping exceptions from IEEE 754 floating-point a
Exception types recognized by the ARM floating-poi
Using the Vector Floating-Point (VFP) support libr
Using the Vector Floating-Point (VFP) support libraries
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| Home > Floating-point support > Using the Vector Floating-Point (VFP) support libraries | |||
The VFP support libraries are used by the VFP Support Code. The VFP Support Code is executed from an undefined instruction trap that is triggered when an exceptional floating-point condition occurs.
See also- Concepts
- Other information
| Copyright © 2007-2008, 2011-2012 ARM. All rights reserved. | ARM DUI 0378D |
| Non-Confidential | ID062912 |
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