vstore_half

Convert float to half and write to a pointer to memory.

`void vstore_half (`	float `data`,
	size_t `offset`,
	half `*p)`

`void vstore_half_rte (`	float `data`,
	size_t `offset`,
	half `*p)`

`void vstore_half_rtz (`	float `data`,
	size_t `offset`,
	half `*p)`

`void vstore_half_rtp (`	float `data`,
	size_t `offset`,
	half `*p)`

`void vstore_half_rtn (`	float `data`,
	size_t `offset`,
	half `*p)`

`void vstore_half (`	double `data`,
	size_t `offset`,
	half `*p)`

`void vstore_half_rte (`	double `data`,
	size_t `offset`,
	half `*p)`

`void vstore_half_rtz (`	double `data`,
	size_t `offset`,
	half `*p)`

`void vstore_half_rtp (`	double `data`,
	size_t `offset`,
	half `*p)`

`void vstore_half_rtn (`	double `data`,
	size_t `offset`,
	half `*p)`

Description

The float (or double) value given by data is first converted to a half value using the appropriate rounding mode. The half value is then written to address computed as (p + offset). The address computed as (p + offset) must be 16-bit aligned.

vstore_half uses the current rounding mode. The default current rounding mode is round to nearest even.

Notes

Vector Data Load and Store Functions allow you to read and write vector types from a pointer to memory.

The suffix n in the function names (i.e. vloadn, vstoren etc.) represent n-element vectors, where n = 2, 3, 4, 8 or 16.

The results of vector data load and store functions are undefined if the address being read from or written to is not correctly aligned. The pointer argument p can be a pointer to global, local, or private memory for store functions. The pointer argument p can be a pointer to global, local, constant or private memory for load functions.

NOTE: The vector data load and store functions variants that take pointer arguments which point to the generic address space are also supported.

Specification

OpenCL Specification

Also see

Vector Data Load and Store Functions

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