Xezon/wip deterministic math v3 - #8

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xezon wants to merge 71 commits into

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xezon/wip-deterministic-math-v3

Commits on May 25, 2026

feat(math): Add cross-platform deterministic math via GameMath (fdlibm)

Okladnoj
authored and
xezon
committed
2febbd2
fix(math): Route BaseType.h sqrt() through deterministic Sqrt() wrapper

Okladnoj
authored and
xezon
committed
2730383
fix(math): Enforce USE_DETERMINISTIC_MATH and complete deterministic coverage

Okladnoj
authored and
xezon
committed
94cea68
fix(math): Restore original formatting and complete deterministic coverage

Okladnoj
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xezon
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6341acd
test(math): Implement diagnostic benchmark for deterministic math parity

Okladnoj
authored and
xezon
committed
bb13d8b
fix(math): Resolve VC6 loop scoping error C2374 in benchmark

Okladnoj
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xezon
committed
0af2f0e
TheSuperHackers @fix Disable FMA contraction for cross-platform deterministic math parity

Okladnoj
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xezon
committed
51e719f
refactor(math): Address xezon review feedback on PR #2670

Okladnoj
authored and
xezon
committed
9bd9edb
style(math): Fix indentation of if statements in benchmark

Okladnoj
authored and
xezon
committed
fde33e1
Remove duplicate math constants in visualc.h
xezon
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5932f19
Rename new wwmath functions
xezon
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ea61303
Remove unused code in Trig.cpp
xezon
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f218797
Move Trig function impl from wwmath.h to Trig.cpp and correct Sqrt(Real)
xezon
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0e5d8d6
Remove indentation in wwmath.h
xezon
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52908ec
Call the double gmmath functions
xezon
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4142bdc
Fix indentation in wwmath.h
xezon
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f80248f
Rename Atan, Atan2 to Atan_Legacy, Atan2_Legacy
xezon
committed
cc47aba
Rename Atan_Origin, Atan2_Origin, Atanf_Origin, Atan2fOrigin to Atan, Atan2, Atanf, Atan2f
xezon
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2142089
Remove duplicate trig declarations in wwmath.h
xezon
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afd03b9
Rename Sqrt to Sqrt_Legacy
xezon
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b1bc06e
Rename Sqrt_Origin, Sqrtf_Origin to Sqrt, Sqrtf
xezon
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3294fe7
Rename Asin, Acos to Asin_Legacy, Acos_Legacy
xezon
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7ceefd5
Rename Asin_Origin, Acos_Origin, Asinf_Origin, Acosf_Origin to Asin, Acos, Asinf, Acosf
xezon
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5ff0b61
Remove redundant scopes in wwmath.h
xezon
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1528b10
Rename Inv_Sqrt to Inv_Sqrt_Legacy
xezon
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3483838
Rename Tan_Origin, Tanf_Origin to Tan, Tanf
xezon
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a2af980
Remove Ceil
xezon
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04dee27
Explicitly call double version in Legacy functions
xezon
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8a5ca63
Add deterministic version for Floor, Floorf
xezon
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7c8bf81
Add deterministic version for Round, Roundf
xezon
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1e7bc9e
Rename Ceil_Origin, Ceilf_Origin to Ceil, Ceilf
xezon
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7ec2489

Commits on May 27, 2026

Rename Pow_Origin, Powf_Origin to Pow, Powf
xezon
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f576004
Rename Fabs to Fabsf and make it deterministic/defined behavior
xezon
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1eedfcb
Rename Fabsf_Origin to Fabsf_Legacy
xezon
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c8e590f
Rename Fabs_Origin to Fabs
xezon
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af74213
Remove unused Sign
xezon
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c1af7ea
Rename Expf_Origin, Log10f_Origin, Logf_Origin, Sinhf_Origin, Coshf_Origin, Tanhf_Origin, to Expf, Log10f, Logf, Sinhf, Coshf, Tanhf
xezon
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f65e59b
Float_To_Int_Chop, Float_To_Int_Floor pass float by value
xezon
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6cc0660
Add double versions for Exp, Log10, Log, Sinh, Cosh, Tanh
xezon
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378b6d2
Simplify math function definitions
xezon
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1c17a02
Rename Cos, Sin to Cosf, Sinf
xezon
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faeeae7
Fix x,y args of Atan2
xezon
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bf00447
Add double variant for Cos, Sin
xezon
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d9205b8
Separate function definitions from declarations
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5e301e5
Add determinism to Sin, Cos Fast Tables
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222b6ec
Move Fabsf together with Fabs
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5215df4
Move Sin, Cos together with Tan
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7f4cc52
Add Inv_Sqrt, Inv_Sqrtf
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5ad672d
Move Inv_Sqrt_Legacy together with Inv_Sqrt
xezon
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3e8ab7a
Move Sqrt_Legacy together with Sqrt
xezon
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acec821
Move Float_To_ functions together
xezon
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2aec165
Move float cast functions together
xezon
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c8af290
Move Acos_Legacy, Asin_Legacy together with Acos, Asin
xezon
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9d799ba
Add some spacings around function declaration blocks
xezon
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a62c59b
Move Round together with Ceil, Floor
xezon
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781874f
Move Pow together with Sqrt
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1f4d390
Move Sinh & Co closer to Sin & Co
xezon
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7f34668
Reorder trig functions to cos, sin, tan conistently
xezon
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ebf7547
Move Fast_ trig functions closer to regular trig functions
xezon
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e9e012b
Move misc function definitions to where they belong
xezon
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80ac812
Move Sqrt_Legacy to correct location
xezon
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a5aa2fd
Improve setup for USE_DETERMINISTIC_MATH
xezon
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eb49bdf
Add coverage for cos/sin/tan
xezon
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dfad198
Rename Cosf, Sinf to Cosf_Legacy, Sinf_Legacy
xezon
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fa510df
Add coverage for cosf/sinf/tanf
xezon
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89fe91d
Simplify Trig.cpp
xezon
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7c21cd7
Add coverage for sqrt
xezon
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4df7386
Uncomment RETAIL_COMPATIBLE_CRC in BaseType.h
xezon
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420a5ff
Rename Fabsf_Legacy to Fabsf and Fabsf to Fabsf_Legacy
xezon
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c35ce76
Add coverage for fabsf
xezon
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ee2c66a
Add a comment for the Legacy functions
xezon
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ec55507