SW006013 Microchip Technology, SW006013 Datasheet - Page 152
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SW006013
Manufacturer Part Number
SW006013
Description
MPLAB C Compiler For DsPIC DSCs
Manufacturer
Microchip Technology
Series
DsPIC30F/33Fr
Type
MPLAB® C Compilerr
Datasheet
1.SW006014.pdf
(246 pages)
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
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DS51456E-page 148
acos (Continued)
acosf
Description:
Include:
Prototype:
Argument:
Return Value:
Remarks:
Example:
}
Output:
Error: domain error
The arccosine of -2.000000 is nan
The arccosine of 0.100000 is 1.470629
Calculates the trigonometric arc cosine function of a single precision
floating-point value.
<math.h>
float acosf (float x);
x
Returns the arc cosine in radians in the range of 0 to pi (inclusive).
A domain error occurs if x is less than -1 or greater than 1.
#include <math.h>
#include <stdio.h> /* for printf, perror */
#include <errno.h> /* for errno
int main(void)
{
}
Output:
Error: domain error
The arccosine of 2.000000 is nan
The arccosine of 0.000000 is 1.570796
errno = 0;
x = 0.10;
y = acos (x);
if (errno)
printf("The arccosine of %f is %f\n\n", x, y);
float x, y;
errno = 0;
x = 2.0F;
y = acosf (x);
if (errno)
printf("The arccosine of %f is %f\n\n", x, y);
errno = 0;
x = 0.0F;
y = acosf (x);
if (errno)
printf("The arccosine of %f is %f\n", x, y);
perror("Error");
perror("Error");
perror("Error");
value between -1 and 1
/* for acosf
© 2008 Microchip Technology Inc.
*/
*/
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