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| author | untodesu <kirill@untode.su> | 2025-03-15 16:22:09 +0500 |
|---|---|---|
| committer | untodesu <kirill@untode.su> | 2025-03-15 16:22:09 +0500 |
| commit | 3bf42c6ff3805a0d42bbc661794a95ff31bedc26 (patch) | |
| tree | 05049955847504808d6bed2bb7b155f8b03807bb /core/floathacks.hh | |
| parent | 02294547dcde0d4ad76e229106702261e9f10a51 (diff) | |
| download | voxelius-3bf42c6ff3805a0d42bbc661794a95ff31bedc26.tar.bz2 voxelius-3bf42c6ff3805a0d42bbc661794a95ff31bedc26.zip | |
Add whatever I was working on for the last month
Diffstat (limited to 'core/floathacks.hh')
| -rw-r--r-- | core/floathacks.hh | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/core/floathacks.hh b/core/floathacks.hh new file mode 100644 index 0000000..2c6a3e1 --- /dev/null +++ b/core/floathacks.hh @@ -0,0 +1,50 @@ +#ifndef CORE_FLOATHACKS_HH
+#define CORE_FLOATHACKS_HH 1
+#pragma once
+
+namespace floathacks
+{
+static inline float int32_to_float(const std::int32_t value);
+static inline float uint32_to_float(const std::uint32_t value);
+static inline std::int32_t float_to_int32(const float value);
+static inline std::uint32_t float_to_uint32(const float value);
+} // namespace floathacks
+
+static inline float floathacks::int32_to_float(const std::int32_t value)
+{
+ static_assert(std::numeric_limits<float>::is_iec559);
+ static_assert(sizeof(std::int32_t) == sizeof(float));
+ union { std::int32_t src; float dst; } hack;
+ hack.src = value;
+ return hack.dst;
+
+}
+
+static inline float floathacks::uint32_to_float(const std::uint32_t value)
+{
+ static_assert(std::numeric_limits<float>::is_iec559);
+ static_assert(sizeof(std::uint32_t) == sizeof(float));
+ union { std::uint32_t src; float dst; } hack;
+ hack.src = value;
+ return hack.dst;
+}
+
+static inline std::int32_t floathacks::float_to_int32(const float value)
+{
+ static_assert(std::numeric_limits<float>::is_iec559);
+ static_assert(sizeof(std::int32_t) == sizeof(float));
+ union { float src; std::int32_t dst; } hack;
+ hack.src = value;
+ return hack.dst;
+}
+
+static inline std::uint32_t floathacks::float_to_uint32(const float value)
+{
+ static_assert(std::numeric_limits<float>::is_iec559);
+ static_assert(sizeof(std::uint32_t) == sizeof(float));
+ union { float src; std::uint32_t dst; } hack;
+ hack.src = value;
+ return hack.dst;
+}
+
+#endif /* CORE_FLOATHACKS_HH */
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