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>