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增加两个定点数常量

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jinchao
2025-08-07 21:41:54 +08:00
parent 936e326229
commit 09eaa78ba1
3 changed files with 39 additions and 11 deletions
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source/core/include/math/dvc_fix_point.h
+13 -11
View File
@@ -159,17 +159,19 @@ public:
// special value
static DV_CORE_API const ifloat64 kMax;
static DV_CORE_API const ifloat64 kMin;
static DV_CORE_API const ifloat64 kZero;
static DV_CORE_API const ifloat64 kOne;
static DV_CORE_API const ifloat64 kTwo;
static DV_CORE_API const ifloat64 kThree;
static DV_CORE_API const ifloat64 kFour;
static DV_CORE_API const ifloat64 kHalf;
static DV_CORE_API const ifloat64 kPi;
static DV_CORE_API const ifloat64 kPi2;
static DV_CORE_API const ifloat64 kPiHalf;
static DV_CORE_API const ifloat64 kE;
static DV_CORE_API const ifloat64 kNegOne;
static DV_CORE_API const ifloat64 kZero; //0.0
static DV_CORE_API const ifloat64 kOne; //1.0
static DV_CORE_API const ifloat64 kTwo; //2.0
static DV_CORE_API const ifloat64 kThree; //3.0
static DV_CORE_API const ifloat64 kFour; //4.0
static DV_CORE_API const ifloat64 kHalf; //0.5
static DV_CORE_API const ifloat64 kQuater; //0.25
static DV_CORE_API const ifloat64 kOneEighth; //0.125
static DV_CORE_API const ifloat64 kPi; //3.14159265358979323846
static DV_CORE_API const ifloat64 kPi2; //6.2831853071795
static DV_CORE_API const ifloat64 kPiHalf; //1.57079632679489661923
static DV_CORE_API const ifloat64 kE; //2.71828182845904523536
static DV_CORE_API const ifloat64 kNegOne; // -1.0
public:
ifloat64() : s3132(0) {}
source/core/source/math/dvc_fix_point.cpp
+2
View File
@@ -10,6 +10,8 @@ const ifloat64 ifloat64::kTwo{ INT64_C(2) << kShift };
const ifloat64 ifloat64::kThree{ INT64_C(3) << ifloat64::kShift };
const ifloat64 ifloat64::kFour{ INT64_C(4) << ifloat64::kShift };
const ifloat64 ifloat64::kHalf{ INT64_C(1) << (ifloat64::kShift-1) };
const ifloat64 ifloat64::kQuater{ INT64_C(1) << (ifloat64::kShift - 2) };
const ifloat64 ifloat64::kOneEighth{ INT64_C(1) << (ifloat64::kShift - 3) };
const ifloat64 ifloat64::kPi{ INT64_C(0x3243f6a89) }; //static_cast<int64_t>(std::round(M_PI * kFloatScale));
const ifloat64 ifloat64::kPi2{ INT64_C(0x6487ed511) };
const ifloat64 ifloat64::kPiHalf{ INT64_C(0x1921fb544) };