Improve sqrtT assignment

kchristin22 · Nov 16, 2024 · 59129ad · 59129ad
1 parent 89b7996
commit 59129ad
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/demos/CUDA/BlackScholes/BlackScholes_kernel.cuh b/demos/CUDA/BlackScholes/BlackScholes_kernel.cuh
@@ -66,7 +66,7 @@ __device__ inline void BlackScholesBodyGPU(float& CallResult, float& PutResult,
   float sqrtT, expRT;
   float d1, d2, CNDD1, CNDD2;
 
-  sqrtT = fdividef(1.0F, 1.0 / sqrtf(T));
+  sqrtT = sqrtf(T);
   d1 = fdividef(logf(S / X) + (R + 0.5f * V * V) * T, V * sqrtT);
   d2 = d1 - V * sqrtT;