SW500010 Microchip Technology, SW500010 Datasheet - Page 198

• Manufacturer Part Number: SW500010
• Description: HI-TECH C PRO FOR PIC10/12/16
• Manufacturer: Microchip Technology
• Type: Compilerr
• Series: PIC10/12/16r

Specifications of SW500010

• Supported Families: PIC10, PIC12, PIC16
• Core Architecture: PIC
• Software Edition: Professional
• Kit Contents: Software And Docs
• Mcu Supported Families: PIC10/12/16
• Tool Type: Compiler
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• For Use With/related Products: PIC10, PIC12, PIC14, PIC16, PIC16E
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 019P; 778-1006; 778-1006

ACOS
Synopsis
Description
The acos() function implements the inverse of cos(), i.e. it is passed a value in the range -1 to +1,
and returns an angle in radians whose cosine is equal to that value.
Example
See Also
sin(), cos(), tan(), asin(), atan(), atan2()
Return Value
An angle in radians, in the range 0 to
198
#include <math.h>
double acos (double f)
#include <math.h>
#include <stdio.h>
/ * Print acos() values for -1 to 1 in degrees. * /
void
main (void)
{
}
float i, a;
for(i = -1.0; i < 1.0 ; i += 0.1) {
}
a = acos(i) * 180.0/3.141592;
printf("acos(%f) = %f degrees\n", i, a);
Library Functions