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Test Your Knowledge in Computers #280
Difficulty: Easy
CPU modes (also called processor modes, CPU states, CPU privilege levels and other names) are operating modes for the central processing unit of some computer architectures that place restrictions on the type and scope of operations that can be performed by certain processes being run by the CPU.
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cprojf(3m) [opensolaris man page]

cproj(3M)						  Mathematical Library Functions						 cproj(3M)

NAME
cproj, cprojf, cprojl - complex projection functions SYNOPSIS
c99 [ flag... ] file... -lm [ library... ] #include <complex.h> double complex cproj(double complex z); float complex cprojf(float complex z); long double complex cprojl(long double complex z); DESCRIPTION
These functions compute a projection of z onto the Riemann sphere: z projects to z, except that all complex infinities (even those with one infinite part and one NaN part) project to positive infinity on the real axis. If z has an infinite part, then cproj(z) is equivalent to: INFINITY + I * copysign(0.0, cimag(z)) RETURN VALUES
These functions return the value of the projection onto the Riemann sphere. ERRORS
No errors are defined. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
carg(3M), cimag(3M), complex.h(3HEAD), conj(3M), creal(3M), attributes(5), standards(5) SunOS 5.11 12 Jul 2006 cproj(3M)

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