SpecialQuantities

Functions
TRIO_PUBLIC_NAN int	trio_isnan (double number)
	Check for NaN.
TRIO_PUBLIC_NAN int	trio_isinf (double number)
	Check for infinity.
TRIO_PUBLIC_NAN int	trio_isfinite (double number)
	Check for finity.
TRIO_PUBLIC_NAN int	trio_signbit (double number)
	Examine the sign of a number.
TRIO_PUBLIC_NAN int	trio_fpclassify (double number)
	Examine the class of a number.
TRIO_PUBLIC_NAN double	trio_nzero (void)
	Generate negative zero.
TRIO_PUBLIC_NAN double	trio_pinf (void)
	Generate positive infinity.
TRIO_PUBLIC_NAN double	trio_ninf (void)
	Generate negative infinity.
TRIO_PUBLIC_NAN double	trio_nan (void)
	Generate NaN.

Detailed Description

Function Documentation

trio_fpclassify()

TRIO_PUBLIC_NAN int trio_fpclassify

(

double

number

)

Examine the class of a number.

Parameters

number

An arbitrary floating-point number.

Returns

Enumerable value indicating the class of number

References trio_fpclassify().

Referenced by trio_fpclassify().

trio_isfinite()

TRIO_PUBLIC_NAN int trio_isfinite

(

double

number

)

Check for finity.

Parameters

number

An arbitrary floating-point number.

Returns

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

References trio_isfinite().

Referenced by trio_isfinite().

trio_isinf()

TRIO_PUBLIC_NAN int trio_isinf

(

double

number

)

Check for infinity.

Parameters

number

An arbitrary floating-point number.

Returns

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

References trio_isinf().

Referenced by trio_isinf().

trio_isnan()

TRIO_PUBLIC_NAN int trio_isnan

(

double

number

)

Check for NaN.

Parameters

number

An arbitrary floating-point number.

Returns

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

References trio_isnan().

Referenced by trio_isnan().

trio_nan()

TRIO_PUBLIC_NAN double trio_nan

(

void

)

Generate NaN.

Returns

Floating-point representation of NaN.

References trio_pinf().

trio_ninf()

TRIO_PUBLIC_NAN double trio_ninf

(

void

)

Generate negative infinity.

Returns

Floating-point value of negative infinity.

References trio_pinf().

trio_nzero()

TRIO_PUBLIC_NAN double trio_nzero

(

void

)

Generate negative zero.

Returns

Floating-point representation of negative zero.

trio_pinf()

TRIO_PUBLIC_NAN double trio_pinf

(

void

)

Generate positive infinity.

Returns

Floating-point representation of positive infinity.

Referenced by trio_nan(), and trio_ninf().

trio_signbit()

TRIO_PUBLIC_NAN int trio_signbit

(

double

number

)

Examine the sign of a number.

Parameters

number

An arbitrary floating-point number.

Returns

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

References trio_signbit().

Referenced by trio_signbit().