src/core/SkHalf.h - Issue 760753003: Add float-to-half (binary16) conversion functions.

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Side by Side Diff: src/core/SkHalf.h

Issue 760753003: Add float-to-half (binary16) conversion functions. (Closed) Base URL: https://skia.googlesource.com/skia.git@master

Patch Set: Fix unsigned issue on Ubuntu. Created 6 years ago

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	1 /*

	2 * Copyright 2014 Google Inc.

	3 *

	4 * Use of this source code is governed by a BSD-style license that can be

	5 * found in the LICENSE file.

	6 */

	7

	8 #ifndef SkHalf_DEFINED

	9 #define SkHalf_DEFINED

	10

	11 #include "SkTypes.h"

	12

	13 // 16-bit floating point value

	14 // format is 1 bit sign, 5 bits exponent, 10 bits mantissa

	15 // only used for storage

	16 typedef uint16_t SkHalf;

	17

	18 // convert between half and single precision floating point

	19 float SkHalfToFloat(SkHalf h);

	20 SkHalf SkFloatToHalf(float f);

	21

	22 #endif

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