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Work around LLVM idiocy.

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This commit is contained in:
Jeroen van Rijn
2023-11-04 22:42:32 +01:00
parent 6201280468
commit 4cb0edc90b
3 changed files with 12 additions and 5 deletions
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core/math/math.odin
+3 -2
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@@ -209,8 +209,9 @@ pow2_f64 :: proc(#any_int exp: int) -> (res: f64) {
return transmute(f64)(u64(exp + F64_BIAS) << F64_SHIFT)
case exp < -1075: // Underflow
return f64(0)
case exp == -1075: // Underflow
return 0h00000000_00000001
case exp == -1075: // Underflow.
// Note that pow(2, -1075) returns 0h1 on Windows and 0h0 on macOS & Linux.
return 0h00000000_00000000
case exp < -1022: // Denormal
x := u64(exp + (F64_SHIFT + 1) + F64_BIAS) << F64_SHIFT
return f64(1) / (1 << (F64_SHIFT + 1)) * transmute(f64)x