Replace sinh,cosh with implementations in terms of Exp()

Vulkan CTS 1.1.5 is stricter about edge cases here, and sinhf/coshf aren't cutting it. Test: dEQP-VK.*cosh* Test: dEQP-VK.*sinh* Bug: b/140501860 Change-Id: I21895cbff9f54bccb7d40fb75e09eebe7db18fa1 Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/35988Tested-by: Chris Forbes <chrisforbes@google.com> Presubmit-Ready: Chris Forbes <chrisforbes@google.com> Kokoro-Presubmit: kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com>

Replace sinh,cosh with implementations in terms of Exp()
4d838a8c · Chris Forbes · cf0e2fe1 · 4d838a8c
Commit 4d838a8c authored Sep 04, 2019 by Chris Forbes
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LLVMReactor.cpp src/Reactor/LLVMReactor.cpp +2 -2

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--- a/src/Reactor/LLVMReactor.cpp
+++ b/src/Reactor/LLVMReactor.cpp
@@ -3814,12 +3814,12 @@ namespace rr

 	RValue<Float4> Sinh(RValue<Float4> v)
 	{
-		return TransformFloat4PerElement(v, "sinhf");
+		return Float4(0.5f) * (Exp(v) - Exp(-v));
 	}

 	RValue<Float4> Cosh(RValue<Float4> v)
 	{
-		return TransformFloat4PerElement(v, "coshf");
+		return Float4(0.5f) * (Exp(v) + Exp(-v));
 	}

 	RValue<Float4> Tanh(RValue<Float4> v)