Fix frexp implementation, update to tot slang. (#68)

* Fix frexp implementation * Update slang * Fix. --------- Co-authored-by: Yong He <[email protected]>
shader-slang · Oct 26, 2023 · ab3647e · ab3647e
1 parent 0e48669
commit ab3647e
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Showing 2 changed files with 7 additions and 11 deletions.
diff --git a/external/slang b/external/slang
diff --git a/source/slang-llvm/slang-llvm.cpp b/source/slang-llvm/slang-llvm.cpp
@@ -321,19 +321,15 @@ struct NameAndFunc
 #define SLANG_LLVM_FUNC(name, cppName, retType, paramTypes) NameAndFunc{ #name, (NameAndFunc::Func)static_cast<retType (*) paramTypes>(&SLANG_LLVM_EXPAND(cppName)) },
 
 // Implementations of maths functions available to JIT
-static float F32_frexp(float x, float* e)
+static float F32_frexp(float x, int* e)
 {
-    int ei;
-    float m = ::frexpf(x, &ei);
-    *e = float(ei);
+    float m = ::frexpf(x, e);
     return m;
 }
 
-static double F64_frexp(double x, double* e)
+static double F64_frexp(double x, int* e)
 {
-    int ei;
-    double m = ::frexp(x, &ei);
-    *e = double(ei);
+    double m = ::frexp(x, e);
     return m;
 }
 
@@ -422,7 +418,7 @@ static uint64_t __stdcall _aulldiv(uint64_t a, uint64_t b)
     \
     x(F64_atan2, atan2, double, (double, double)) \
     \
-    x(F64_frexp, F64_frexp, double, (double, double*)) \
+    x(F64_frexp, F64_frexp, double, (double, int*)) \
     x(F64_pow, pow, double, (double, double)) \
     \
     x(F64_modf, modf, double, (double, double*)) \
@@ -457,7 +453,7 @@ static uint64_t __stdcall _aulldiv(uint64_t a, uint64_t b)
     \
     x(F32_atan2, atan2f, float, (float, float)) \
     \
-    x(F32_frexp, F32_frexp, float, (float, float*)) \
+    x(F32_frexp, F32_frexp, float, (float, int*)) \
     x(F32_pow, powf, float, (float, float)) \
     \
     x(F32_modf, modff, float, (float, float*)) \