8.2 Float2Fract
Description
Float2Fract converts a IEEE floating-point single-precision value to a 1.31 fractional value.
Prototype
fractional Float2Fract (float aVal);
Arguments
|
Parameters |
Description |
|---|---|
|
aVal |
IEEE floating-point single-precision value in range
|
Returns
- 1.15/1.31 fractional numbers depending on the device family
- 1.31 fractional number in the implicit range [-1, 1 – 2-31]
Remarks
The conversion is performed using a hardware floating-point unit in case of PIC32A and convergent rounding and saturation mechanisms for other devices.
Source File
- frct2flt_aa.s
System resource usage
- W0 – used, not restored
- F0 – F2 used, not restored
- REPEAT instruction usage – None