Merge pull request #1787 from xsacha/FP16

Add FP16

cmake/configs/default.cmake

@@ -59,6 +59,7 @@ hunter_default_version(CsvParserCPlusPlus VERSION 1.0.1)
 hunter_default_version(Eigen VERSION 3.3.7)
 hunter_default_version(EnumGroup VERSION 0.0.1)
 hunter_default_version(Expat VERSION 2.1.1)
+hunter_default_version(FP16 VERSION 0.0.0-febbb1c-p0)
 hunter_default_version(FakeIt VERSION 2.0.3)
 hunter_default_version(Fruit VERSION 3.1.1-p0)
 hunter_default_version(FunctionalPlus VERSION 0.2-p0)

cmake/projects/FP16/hunter.cmake

@@ -0,0 +1,27 @@
+# Copyright (c) 2016-2019, Ruslan Baratov
+# All rights reserved.
+
+# !!! DO NOT PLACE HEADER GUARDS HERE !!!
+
+include(hunter_add_version)
+include(hunter_cacheable)
+include(hunter_download)
+include(hunter_pick_scheme)
+include(hunter_cmake_args)
+
+hunter_add_version(
+    PACKAGE_NAME
+    FP16
+    VERSION
+    0.0.0-febbb1c-p0
+    URL
+    "https://github.com/hunter-packages/FP16/archive/v0.0.0-febbb1c-p0.tar.gz"
+    SHA1
+    86a7e35a2193e60440ea152628ade89eff4cd0cd
+)
+
+hunter_cmake_args(FP16 CMAKE_ARGS FP16_BUILD_BENCHMARKS=OFF FP16_BUILD_TESTS=OFF)
+
+hunter_pick_scheme(DEFAULT url_sha1_cmake)
+hunter_cacheable(FP16)
+hunter_download(PACKAGE_NAME FP16)

docs/packages/pkg/FP16.rst

@@ -0,0 +1,21 @@
+.. spelling::
+
+    FP
+
+.. index::
+  single: cpu ; FP16
+
+.. _pkg.FP16:
+
+FP16
+====
+
+-  `Official <https://github.com/Maratyszcza/FP16>`__
+-  `Hunterized <https://github.com/hunter-packages/FP16>`__
+-  `Example <https://github.com/ruslo/hunter/blob/master/examples/FP16/CMakeLists.txt>`__
+-  Added by `xsacha <https://github.com/xsacha>`__ (`pr-1787 <https://github.com/ruslo/hunter/pull/1787>`__)
+
+.. literalinclude:: /../examples/FP16/CMakeLists.txt
+  :language: cmake
+  :start-after: # DOCUMENTATION_START {
+  :end-before: # DOCUMENTATION_END }

examples/FP16/CMakeLists.txt

@@ -0,0 +1,18 @@
+# Copyright (c) 2016-2018, Ruslan Baratov
+# All rights reserved.
+
+cmake_minimum_required(VERSION 3.2)
+
+# Emulate HunterGate:
+# * https://github.com/hunter-packages/gate
+include("../common.cmake")
+
+project(download-FP16)
+
+# DOCUMENTATION_START {
+hunter_add_package(FP16)
+find_package(FP16 REQUIRED)
+
+add_executable(boo boo.cpp)
+target_link_libraries(boo PUBLIC FP16::fp16)
+# DOCUMENTATION_END }

examples/FP16/boo.cpp

@@ -0,0 +1,16 @@
+#include <fp16.h>
+
+int main() {
+    // Test FP16
+    const uint16_t min_po2_f16   = UINT16_C(0x0400);
+    const float min_po2_value = fp16_ieee_to_fp32_value(min_po2_f16);
+
+    const uint16_t positive_infinity_f16 = UINT16_C(0x7C00);
+    const uint16_t negative_infinity_f16 = UINT16_C(0xFC00);
+
+    const uint32_t positive_infinity_f32 = UINT32_C(0x7F800000);
+    const uint32_t negative_infinity_f32 = UINT32_C(0xFF800000);
+
+
+    return 0;
+}