SW006014 Microchip Technology, SW006014 Datasheet - Page 173
![C COMPILER MPLAB FOR PIC24 MCU](/photos/9/32/93245/sw006014_sml.jpg)
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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© 2008 Microchip Technology Inc.
ldexp
Description:
Include:
Prototype:
Arguments:
Return Value:
Remarks:
Example:
Calculates the result of a double precision floating-point number
multiplied by an exponent of 2.
<math.h>
double ldexp(double x, int ex);
x
ex
Returns x * 2^ex. On an overflow, ldexp returns inf and on an
underflow, ldexp returns 0.
A range error will occur on overflow or underflow.
#include <math.h>
#include <stdio.h> /* for printf, perror */
#include <errno.h> /* for errno
int main(void)
{
}
double x,y;
int n;
errno = 0;
x = -0.625;
n = 2;
y = ldexp (x, n);
if (errno)
printf("For a number = %f and an exponent = %d\n",
printf("
errno = 0;
x = 2.5;
n = 3;
y = ldexp (x, n);
if (errno)
printf("For a number = %f and an exponent = %d\n",
printf("
errno = 0;
x = 15.0;
n = 10000;
y = ldexp (x, n);
if (errno)
printf("For a number = %f and an exponent = %d\n",
printf("
perror("Error");
perror("Error");
perror("Error");
floating-point value
integer exponent
x, n);
x, n, y);
x, n);
x, n, y);
x, n);
x, n, y);
ldexp(%f, %d) = %f\n\n",
ldexp(%f, %d) = %f\n\n",
ldexp(%f, %d) = %f\n\n",
/* for ldexp
DS51456E-page 169
*/
*/
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