v?Inv

Performs element by element inversion of the vector.

Syntax

call vsinv( n, a, y )

call vmsinv( n, a, y, mode )

call vdinv( n, a, y )

call vmdinv( n, a, y, mode )

Name	Type	Description
n	INTEGER, INTENT(IN)	Specifies the number of elements to be calculated.
a	DOUBLE PRECISION for vdinv, vmdinv REAL, INTENT(IN) for vsinv, vmsinv DOUBLE PRECISION, INTENT(IN) for vdinv, vmdinv	Array that specifies the input vector a.
mode	INTEGER(KIND=8), INTENT(IN)	Overrides global VM mode setting for this function call. See vmlSetMode for possible values and their description.

Name

Type

Description

INTEGER, INTENT(IN)

Specifies the number of elements to be calculated.

DOUBLE PRECISION for vdinv, vmdinv

REAL, INTENT(IN) for vsinv, vmsinv

DOUBLE PRECISION, INTENT(IN) for vdinv, vmdinv

Array that specifies the input vector a.

mode

INTEGER(KIND=8), INTENT(IN)

Overrides global VM mode setting for this function call. See vmlSetMode for possible values and their description.

Name	Type	Description
y	DOUBLE PRECISION for vdinv, vmdinv REAL, INTENT(OUT) for vsinv, vmsinv DOUBLE PRECISION, INTENT(OUT) for vdinv, vmdinv	Array that specifies the output vector y.

Name

Type

Description

DOUBLE PRECISION for vdinv, vmdinv

REAL, INTENT(OUT) for vsinv, vmsinv

DOUBLE PRECISION, INTENT(OUT) for vdinv, vmdinv

Array that specifies the output vector y.

The v?Inv function performs element by element inversion of the vector.

Special Values for Real Function v?Inv(x)
Argument	Result	VM Error Status	Exception
+0	+∞	VML_STATUS_SING	ZERODIVIDE
-0	-∞	VML_STATUS_SING	ZERODIVIDE
+∞	+0
-∞	-0
QNAN	QNAN
SNAN	QNAN		INVALID