dsps_pwroftwo.cpp File Reference

#include "dsp_common.h"

Include dependency graph for dsps_pwroftwo.cpp:

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Functions
bool	dsp_is_power_of_two (int x)
	check power of two The function check if the argument is power of 2. The implementation use ANSI C and could be compiled and run on any platform
int	dsp_power_of_two (int x)
	Power of two The function return power of 2 for values 2^N. The implementation use ANSI C and could be compiled and run on any platform.

Function Documentation

dsp_is_power_of_two()

bool dsp_is_power_of_two

(

int

x

)

check power of two The function check if the argument is power of 2. The implementation use ANSI C and could be compiled and run on any platform

Returns

• true if x is power of two
• false if no

Definition at line 17 of file dsps_pwroftwo.cpp.

{
    return (x != 0) && ((x & (x - 1)) == 0);
}

dsp_power_of_two()

int dsp_power_of_two

(

int

x

)

Power of two The function return power of 2 for values 2^N. The implementation use ANSI C and could be compiled and run on any platform.

Returns

• power of two

Definition at line 22 of file dsps_pwroftwo.cpp.

{
    for (size_t i = 0; i < 32; i++) {
        x = x >> 1;
        if (0 == x) {
            return i;
        }
    }
    return 0;
}