clipm_priv_math.h File Reference

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Macros
#define	clipm_priv_math_max(a, b)    ((a) > (b) ? (a) : (b))
	Get the maximum. More...
#define	clipm_priv_math_min(a, b)    ((a) < (b) ? (a) : (b))
	Get the minimum. More...
#define	clipm_priv_math_sign(in)    ((in) >= 0 ? 1 : -1)
	Get the sign of a number. More...
#define	clipm_priv_math_round_d2i(in)    ((in < 0) ? (int)(in - 0.5) : (int)(in + 0.5))
	Round a value to the nearest integer. More...

Macro Definition Documentation

clipm_priv_math_max

#define clipm_priv_math_max	(		a,
			b
	)		((a) > (b) ? (a) : (b))

Get the maximum.

Parameters

a	Number a
b	Number b

Returns

The maximum

clipm_priv_math_min

#define clipm_priv_math_min	(		a,
			b
	)		((a) < (b) ? (a) : (b))

Get the minimum.

Parameters

a	Number a
b	Number b

Returns

The minimum

clipm_priv_math_round_d2i

#define clipm_priv_math_round_d2i

(

in

)

((in < 0) ? (int)(in - 0.5) : (int)(in + 0.5))

Round a value to the nearest integer.

Parameters

in	Input value

Returns

The rounded value

This macro is intended to replace the non-ANSI-C function rint().

clipm_priv_math_sign

#define clipm_priv_math_sign

(

in

)

((in) >= 0 ? 1 : -1)

Get the sign of a number.

Parameters

in	Input value

Returns

+1 if (in >= 0), else -1