SW006014 Microchip Technology, SW006014 Datasheet - Page 188
SW006014
Manufacturer Part Number
SW006014
Description
C COMPILER MPLAB FOR PIC24 MCU
Manufacturer
Microchip Technology
Type
MPLAB® C Compilerr
Series
PIC24r
Datasheet
1.SW006014.pdf
(246 pages)
Specifications of SW006014
Supported Families
PIC24
Core Architecture
PIC
Kit Contents
Software And Docs
Mcu Supported Families
PIC24
Tool Function
Compiler
Tool Type
Compiler
Processor Series
PIC24
Lead Free Status / RoHS Status
Not applicable / Not applicable
For Use With/related Products
PIC24
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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DS51456E-page 184
sqrt
Description:
Include:
Prototype:
Argument:
Return Value:
Remarks:
Example:
Calculates the square root of a double precision floating-point value.
<math.h>
double sqrt(double x);
x
Returns the non-negative square root of x..
If x is negative, a domain error occurs.
#include <math.h>
#include <stdio.h> /* for printf, perror */
#include <errno.h> /* for errno
int main(void)
{
}
Output:
The square root of 0.000000 is 0.000000
The square root of 9.500000 is 3.082207
Error: domain error
The square root of -25.000000 is nan
double x, y;
errno = 0;
x = 0.0;
y = sqrt (x);
if (errno)
printf("The square root of %f is %f\n\n", x, y);
errno = 0;
x = 9.5;
y = sqrt (x);
if (errno)
printf("The square root of %f is %f\n\n", x, y);
errno = 0;
x = -25.0;
y = sqrt (x);
if (errno)
printf("The square root of %f is %f\n\n", x, y);
perror("Error");
perror("Error");
perror("Error");
a non-negative floating-point value
/* for sqrt
© 2008 Microchip Technology Inc.
*/
*/
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