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sinf(3m) [opensolaris man page]

sin(3M) 						  Mathematical Library Functions						   sin(3M)

NAME
sin, sinf, sinl - sine function SYNOPSIS
c99 [ flag... ] file... -lm [ library... ] #include <math.h> double sin(double x); float sinf(float x); long double sinl(long double x); DESCRIPTION
These functions compute the sine of its argument x, measured in radians. RETURN VALUES
Upon successful completion, these functions return the sine of x. If x is NaN, a NaN is returned. If x is +-0, x is returned. If x is +-Inf, a domain error occurs and a NaN is returned. ERRORS
These functions will fail if: Domain Error The x argument is +-Inf. If the integer expression (math_errhandling & MATH_ERREXCEPT) is non-zero, then the invalid floating-point exception is raised. USAGE
An application wanting to check for exceptions should call feclearexcept(FE_ALL_EXCEPT) before calling these functions. On return, if fetestexcept(FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW | FE_UNDERFLOW) is non-zero, an exception has been raised. An application should either examine the return value or check the floating point exception flags to detect exceptions. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
asin(3M), feclearexcept(3M), fetestexcept(3M), isnan(3M), math.h(3HEAD), attributes(5), standards(5) SunOS 5.11 12 Jul 2006 sin(3M)

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asin(3M)						  Mathematical Library Functions						  asin(3M)

NAME
asin, asinf, asinl - arc sine function SYNOPSIS
c99 [ flag... ] file... -lm [ library... ] #include <math.h> double asin(double x); float asinf(float x); long double asinl(long double x); DESCRIPTION
These functions compute the principal value of the arc sine of their argument x. The value of x should be in the range [-1,1]. RETURN VALUES
Upon successful completion, these functions return the arc sine of x in the range [-pi/2, pi/2] radians. For finite values of x not in the range [-1,1], a domain error occurs and a NaN is returned. If x is NaN, NaN is returned. If x is +-0, x is returned. If x is +-Inf, a domain error occurs and a NaN is returned. For exceptional cases, matherr(3M) tabulates the values to be returned by asin() as specified by SVID3 and XPG3. ERRORS
These functions will fail if: Domain Error The x argument is finite and not in the range [-1,1], or is +-Inf. If the integer expression (math_errhandling & MATH_ERREXCEPT) is non-zero, the invalid floating-point exception is raised. The asin() function sets errno to EDOM if x is not +-Inf or NaN and is not in the range [-1,1]. USAGE
An application wanting to check for exceptions should call feclearexcept(FE_ALL_EXCEPT) before calling these functions. On return, if fetestexcept(FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW | FE_UNDERFLOW) is non-zero, an exception has been raised. An application should either examine the return value or check the floating point exception flags to detect exceptions. An application can also set errno to 0 before calling asin(). On return, if errno is non-zero, an error has occurred. The asinf() and asinl() functions do not set errno. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
isnan(3M), feclearexcept(3M), fetestexcept(3M), math.h(3HEAD), matherr(3M), sin(3M), attributes(5), standards(5) SunOS 5.11 12 Jul 2006 asin(3M)
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