SpecialQuantities

'defines'
#define	TRIO_TRUE   (1 == 1)
#define	TRIO_FALSE   (0 == 1)
Funciones
TRIO_PUBLIC double	trio_nzero (TRIO_NOARGS)
TRIO_PUBLIC double	trio_pinf (TRIO_NOARGS)
TRIO_PUBLIC double	trio_ninf (TRIO_NOARGS)
TRIO_PUBLIC double	trio_nan (TRIO_NOARGS)
TRIO_PUBLIC int trio_isnan	TRIO_ARGS1 ((number), double number)
TRIO_PUBLIC int trio_fpclassify_and_signbit	TRIO_ARGS2 ((number, is_negative), double number, int *is_negative)

---

Documentación de los 'defines'

#define TRIO_FALSE   (0 == 1)

#define TRIO_TRUE   (1 == 1)

---

Documentación de las funciones

TRIO_PUBLIC int trio_signbit TRIO_ARGS1	(	(number)	,
		double	number
	)

Check for NaN.

Parámetros:

number

An arbitrary floating-point number.

Devuelve:

Boolean value indicating whether or not the number is a NaN.

Check for infinity.

Parámetros:

number

An arbitrary floating-point number.

Devuelve:

1 if positive infinity, -1 if negative infinity, 0 otherwise.

Examine the sign of a number.

Parámetros:

number

An arbitrary floating-point number.

Devuelve:

Boolean value indicating whether or not the number has the sign bit set (i.e. is negative).

TRIO_PUBLIC int trio_fpclassify_and_signbit TRIO_ARGS2	(	(number, is_negative)	,
		double	number,
		int *	is_negative
	)

TRIO_PUBLIC double trio_nan

(

TRIO_NOARGS

)

Generate NaN.

Devuelve:

Floating-point representation of NaN.

TRIO_PUBLIC double trio_ninf

(

TRIO_NOARGS

)

Generate negative infinity.

Devuelve:

Floating-point value of negative infinity.

TRIO_PUBLIC double trio_nzero

(

TRIO_NOARGS

)

Generate negative zero.

Devuelve:

Floating-point representation of negative zero.

TRIO_PUBLIC double trio_pinf

(

TRIO_NOARGS

)

Generate positive infinity.

Devuelve:

Floating-point representation of positive infinity.