Temp commit. Need to store all sh... Changes

2026-10-12 17:18:10 +03:00 · 2022-06-13 02:18:05 +03:00
parent 913c874c01
commit 82da8a484d
261 changed files with 23706 additions and 17661 deletions
@@ -0,0 +1,94 @@
+/*
+    by korenkonder
+    GitHub/GitLab: korenkonder
+*/
+
+#include "half_t.hpp"
+
+inline half_t load_reverse_endianness_half_t(void* ptr) {
+    return (half_t)_byteswap_ushort(*(uint16_t*)ptr);
+}
+
+inline void store_reverse_endianness_half_t(half_t value, void* ptr) {
+    *(half_t*)ptr = (half_t)_byteswap_ushort((uint16_t)value);
+}
+
+inline half_t reverse_endianness_half_t(half_t value) {
+    return (half_t)_byteswap_ushort((uint16_t)value);
+}
+
+float_t half_to_float(half_t h) {
+    int32_t si32;
+    uint16_t sign = (h >> 15) & 0x001;
+    uint16_t exponent = (h >> 10) & 0x01F;
+    uint16_t mantissa = h & 0x3FF;
+    si32 = sign ? (int32_t)0x80000000 : 0x00000000;
+
+    if (exponent == 0x1F)
+        si32 |= 0x7F800000;
+    else if (exponent != 0x00)
+        si32 |= ((int32_t)exponent - 0x0F + 0x7F) << 23;
+    si32 |= (int32_t)mantissa << 13;
+    return *(float_t*)&si32;
+}
+
+half_t float_to_half(float_t val) {
+    int32_t si32 = *(int32_t*)&val;
+    if (si32 == 0x00000000)
+        return FLOAT16_POSITIVE_ZERO;
+    else if ((uint64_t)si32 == 0x80000000)
+        return FLOAT16_NEGATIVE_ZERO;
+
+    int16_t sign = (int16_t)((si32 >> 31) & 0x001);
+    int16_t exponent = (int16_t)((si32 >> 23) & 0x0FF);
+    int16_t mantissa = (int16_t)((si32 >> 13) & 0x3FF);
+
+    if (exponent == 0xFF)
+        exponent = 0x1F;
+    else if (exponent != 0x00) {
+        exponent -= 0x7F - 0x0F;
+        if (exponent < 0x00)
+            exponent = mantissa = 0;
+        else if (exponent >= 0x1F)
+            exponent = 0x1F;
+    }
+    return (half_t)((sign << 15) | (exponent << 10) | mantissa);
+}
+
+double_t half_to_double(half_t h) {
+    int64_t si64;
+    uint16_t sign = (h >> 15) & 0x001;
+    uint16_t exponent = (h >> 10) & 0x01F;
+    uint16_t mantissa = h & 0x3FF;
+    si64 = sign ? (int64_t)0x8000000000000000 : 0x0000000000000000;
+
+    if (exponent == 0x1F)
+        si64 |= 0x7FF0000000000000;
+    else if (exponent != 0x00)
+        si64 |= ((int64_t)exponent - 0x0F + 0x3FF) << 52;
+    si64 |= (int64_t)mantissa << 42;
+    return *(double_t*)&si64;
+}
+
+half_t double_to_half(double_t val) {
+    int64_t si64 = *(int64_t*)&val;
+    if (si64 == 0x0000000000000000)
+        return FLOAT16_POSITIVE_ZERO;
+    else if ((uint64_t)si64 == 0x8000000000000000)
+        return FLOAT16_NEGATIVE_ZERO;
+
+    int16_t sign = (int16_t)((si64 >> 63) & 0x001);
+    int16_t exponent = (int16_t)((si64 >> 52) & 0x7FF);
+    int16_t mantissa = (int16_t)((si64 >> 42) & 0x3FF);
+
+    if (exponent == 0x7FF)
+        exponent = 0x1F;
+    else if (exponent != 0x00) {
+        exponent -= 0x3FF - 0x0F;
+        if (exponent < 0x00)
+            exponent = mantissa = 0;
+        else if (exponent >= 0x1F)
+            exponent = 0x1F;
+    }
+    return (half_t)((sign << 15) | (exponent << 10) | mantissa);
+}