SW006013 Microchip Technology, SW006013 Datasheet - Page 177
![MPLAB C Compiler For DsPIC DSCs](/photos/9/32/93254/sw006013_sml.jpg)
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
- Current page: 177 of 246
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© 2008 Microchip Technology Inc.
log10
Description:
Include:
Prototype:
Argument:
Return Value:
Remarks:
Example:
Calculates the base-10 logarithm of a double precision floating-point
value.
<math.h>
double log10(double x);
x
Returns the base-10 logarithm of x. -inf is returned if x is 0 and NaN
is returned if x is a negative number.
A domain error occurs if x ≤ 0.
#include <math.h>
#include <stdio.h> /* for printf, perror */
#include <errno.h> /* for errno
int main(void)
{
}
Output:
The base-10 logarithm of 2.000000 is 0.301030
The base-10 logarithm of 0.000000 is -inf
Error: domain error
The base-10 logarithm of -2.000000 is nan
double x, y;
errno = 0;
x = 2.0;
y = log10 (x);
if (errno)
printf("The base-10 logarithm of %f is %f\n\n",
errno = 0;
x = 0.0;
y = log10 (x);
if (errno)
printf("The base-10 logarithm of %f is %f\n\n",
errno = 0;
x = -2.0;
y = log10 (x);
if (errno)
printf("The base-10 logarithm of %f is %f\n\n",
perror("Error");
perror("Error");
perror("Error");
any double precision floating-point positive number
x, y);
x, y);
x, y);
/* for log10
DS51456E-page 173
*/
*/
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