SW006013 Microchip Technology, SW006013 Datasheet - Page 221

• Manufacturer Part Number: SW006013
• Description: MPLAB C Compiler For DsPIC DSCs
• Manufacturer: Microchip Technology
• Series: DsPIC30F/33Fr
• Type: MPLAB® C Compilerr

Specifications of SW006013

• Supported Families: DsPIC30F, DsPIC33F
• Core Architecture: DsPIC
• Kit Contents: Software And Docs
• Mcu Supported Families: DsPIC30F And DsPIC33F
• Tool Function: Compiler
• Tool Type: Compiler
• Processor Series: dsPIC
• Lead Free Status / RoHS Status: na
• For Use With/related Products: dSPIC DSCs
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

© 2008 Microchip Technology Inc.
_Q15sqrt
Description:
Include:
Prototype:
Argument:
Return Value:
_Q15sub
Description:
Include:
Prototype:
Argument:
Return Value:
_Q15tan
Description:
Include:
Prototype:
Argument:
Return Value:
_Q15tanPI
Description:
Include:
Prototype:
Argument:
Return Value:
This function finds the square root of a Q15 value.
<libq.h>
_Q15 _Q15sqrt(_Q15 x);
x
2
This function returns the square root of x in Q15 format. This value
ranges from 1 to 32767.
The function finds the difference of two Q15 values. This function takes
care of saturation during overflow and underflow occurrences.
<libq.h>
_Q15 _Q15sub(_Q15 x,_Q15 y);
x
2
y
2
This function returns x minus y in Q15 format. This value ranges from
-32768 to 32767.
This function finds the tangent of a Q15 value.
<libq.h>
_Q15 _Q15tan(_Q15 x);
x
2
This function returns the tangent of x in Q15 format. This value ranges
from -32768 to 32767.
This function finds the tangent of PI (π) times a Q15 value.
<libq.h>
_Q15 _Q15tanPI(_Q15 x);
x
2
This function returns the tangent of PI times x in Q15 format. This value
ranges from -32768 to 32767.
15
15
15
15
15
-1. The value of this argument ranges from 1 to 32767.
-1. The value of this argument ranges from -32768 to 32767.
-1. The value of this argument ranges from -32768 to 32767.
-1. The value of this argument ranges from -25736 to 25735.
-1. The value of this argument ranges from -32768 to 32767.
a fixed point number in Q15 format, which ranges from -2
a fixed point number in Q15 format, which ranges from -2
a fixed point number in Q15 format, which ranges from -2
a fixed point number in Q15 format, which ranges from -2
a fixed point number in Q15 format, which ranges from -2
DS51456E-page 217
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