SW500011 Microchip Technology, SW500011 Datasheet - Page 200

• Manufacturer Part Number: SW500011
• Description: HI-TECH X PRO FOR PIC32
• Manufacturer: Microchip Technology
• Type: Compilerr
• Series: PIC32r

Specifications of SW500011

• No. Of User Licenses: 1
• Supported Families: PIC32
• Core Architecture: PIC
• Supported Hosts: Windows XP, Vista, Linux, Mac OS X
• Software Edition: Professional
• Kit Contents: Software And Docs
• Tool Type: Compiler
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• For Use With/related Products: PIC32 Series
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 032; 778-1007; 778-1007

EVAL_POLY
Synopsis
Description
The eval_poly() function evaluates a polynomial, whose coefficients are contained in the array d, at
x, for example:
The order of the polynomial is passed in n.
Example
Return Value
A double value, being the polynomial evaluated at x.
200
#include <math.h>
double eval_poly (double x, const double * d, int n)
y = x*x*d2 + x*d1 + d0.
#include <stdio.h>
#include <math.h>
void
main (void)
{
}
double x, y;
double d[3] = {1.1, 3.5, 2.7};
x = 2.2;
y = eval_poly(x, d, 2);
printf("The polynomial evaluated at %f is %f\n", x, y);
Library Functions