Acos, acosf, Asin, asinf, Acos, acosf asin, asinf – Zilog ZUSBOPTS User Manual
Page 436: Returns, Example, Synopsis
Standard Functions
UM017105-0511
408
Zilog Developer Studio II – ZNEO™
User Manual
Returns
The absolute value.
Example
int I=-5632;
int j;
j=abs(I);
acos, acosf
Computes the principal value of the arc cosine of
x
. A domain error occurs for arguments
not in the range [-1,+1].
Synopsis
#include
double acos(double x);
float acosf(float x);
Returns
The arc cosine in the range [0, pi].
Example
double y=0.5635;
double x;
x=acos(y)
asin, asinf
Computes the principal value of the arc sine of
x
. A domain error occurs for arguments not
in the range [-1,+1].
Synopsis
#include
double asin(double x);
float asinf(float x);
Returns
The arc sine in the range [-pi/2,+pi/2].