fp working now

v1
Brett 2024-04-04 09:20:11 -04:00
parent 2bab551319
commit cbb747634a
8 changed files with 111 additions and 6 deletions

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@ -2,6 +2,7 @@
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/.idea/BLT.iml" filepath="$PROJECT_DIR$/.idea/BLT.iml" />
<module fileurl="file://$PROJECT_DIR$/.idea/Code.iml" filepath="$PROJECT_DIR$/.idea/Code.iml" />
</modules>
</component>

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@ -1,7 +1,7 @@
cmake_minimum_required(VERSION 3.5)
include(cmake/color.cmake)
set(BLT_VERSION 0.16.0)
set(BLT_VERSION 0.16.1)
set(BLT_TEST_VERSION 0.0.1)
set(BLT_TARGET BLT)

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@ -19,9 +19,71 @@
#ifndef BLT_FIXED_POINT_H
#define BLT_FIXED_POINT_H
#include <blt/std/types.h>
#include <blt/std/utility.h>
namespace blt
{
struct fp64
{
private:
u64 v = 0;
fp64() = default;
explicit fp64(u64 v): v(v)
{}
public:
static fp64 from_u64(u64 ui)
{
fp64 fp;
fp.v = ui << 32;
return fp;
}
static fp64 from_i64(i64 si)
{
u64 ui = static_cast<u64>(si);
fp64 fp;
fp.v = ui << 32;
return fp;
}
BLT_ATTRIB_NO_INLINE friend fp64 operator+(fp64 left, fp64 right)
{
return fp64(left.v + right.v);
}
BLT_ATTRIB_NO_INLINE friend fp64 operator-(fp64 left, fp64 right)
{
return fp64(left.v - right.v);
}
BLT_ATTRIB_NO_INLINE friend fp64 operator*(fp64 left, fp64 right)
{
auto lhs = static_cast<__int128>(left.v);
auto rhs = static_cast<__int128>(right.v);
return fp64(static_cast<u64>((lhs * rhs) >> 32));
}
BLT_ATTRIB_NO_INLINE friend fp64 operator/(fp64 left, fp64 right)
{
auto lhs = static_cast<__int128>(left.v);
auto rhs = static_cast<__int128>(right.v);
return fp64(static_cast<u64>((lhs / rhs) << 32));
}
[[nodiscard]] u64 as_u64() const
{
return v >> 32;
}
[[nodiscard]] i64 as_i64() const
{
return static_cast<i64>(v >> 32);
}
};
}
#endif //BLT_FIXED_POINT_H

@ -1 +1 @@
Subproject commit 946ebad67a21212d11a0dd4deb7cdedc297d47bc
Subproject commit 7ef2e733416953b222851f9a360d7fc72d068ee5

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@ -37,6 +37,7 @@ namespace blt::test
}
void vector_run();
void allocator();
void fixed_point();
}

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@ -0,0 +1,26 @@
/*
* <Short Description>
* Copyright (C) 2024 Brett Terpstra
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <blt_tests.h>
namespace blt::test
{
void allocator()
{
}
}

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@ -85,6 +85,8 @@ int main(int argc, const char** argv)
parser.addArgument(blt::arg_builder("--utility").setHelp("Run tests on utility functions").setAction(blt::arg_action_t::STORE_TRUE).build());
parser.addArgument(blt::arg_builder("--data").setHelp("Run tests on data functions").setAction(blt::arg_action_t::STORE_TRUE).build());
parser.addArgument(blt::arg_builder("--vector").setHelp("Run tests for the vectors").setAction(blt::arg_action_t::STORE_TRUE).build());
parser.addArgument(blt::arg_builder("--fixed_point").setHelp("Run tests for the vectors").setAction(blt::arg_action_t::STORE_TRUE).build());
parser.addArgument(blt::arg_builder("--allocator").setHelp("Run tests for the vectors").setAction(blt::arg_action_t::STORE_TRUE).build());
auto args = parser.parse_args(argc, argv);
@ -110,6 +112,9 @@ int main(int argc, const char** argv)
if (args.contains("--fixed_point"))
blt::test::fixed_point();
if (args.contains("--allocator"))
blt::test::allocator();
if (args.contains("--nbt"))
{
auto v = blt::arg_parse::get<std::string>(args["nbt"]);

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@ -16,13 +16,23 @@
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <blt/math/fixed_point.h>
#include <blt/std/logging.h>
#include <iostream>
#include <blt_tests.h>
namespace blt::test
{
void fixed_point()
{
fp64 uv = fp64::from_u64(32);
fp64 iv = fp64::from_i64(16);
std::cout << uv.as_i64() << " : " << uv.as_u64() << std::endl;
std::cout << iv.as_i64() << " : " << iv.as_u64() << std::endl;
std::cout << (uv * iv).as_i64() << std::endl;
std::cout << (uv * iv).as_u64() << std::endl;
std::cout << (uv / iv).as_i64() << std::endl;
std::cout << (uv / iv).as_u64() << std::endl;
}
}