From c4b6ef0bd6a7b7de131786c661c7e3423e318d7e Mon Sep 17 00:00:00 2001
From: Darren Wihandi <65404740+fairywreath@users.noreply.github.com>
Date: Wed, 21 May 2025 01:48:19 -0400
Subject: Add inverse hyperbolic derivatives (#7173)

* Add inverse hyperbolic derivatives

* Add test
---
 source/slang/diff.meta.slang |  6 ++++++
 source/slang/hlsl.meta.slang | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+)

(limited to 'source')

diff --git a/source/slang/diff.meta.slang b/source/slang/diff.meta.slang
index d32584db0..c24a8b11a 100644
--- a/source/slang/diff.meta.slang
+++ b/source/slang/diff.meta.slang
@@ -1970,6 +1970,12 @@ SIMPLE_UNARY_DERIVATIVE_IMPL(asin, T(1.0) / sqrt(T(1.0) - dpx.p * dpx.p))
 SIMPLE_UNARY_DERIVATIVE_IMPL(acos, T(-1.0) / sqrt(T(1.0) - dpx.p * dpx.p))
 // Arc-tan
 SIMPLE_UNARY_DERIVATIVE_IMPL(atan, T(1.0) / (T(1.0) + dpx.p * dpx.p))
+// Arc-sinh
+SIMPLE_UNARY_DERIVATIVE_IMPL(asinh, T(1.0) / sqrt(dpx.p * dpx.p + T(1.0)))
+// Arc-cosh
+SIMPLE_UNARY_DERIVATIVE_IMPL(acosh, T(1.0) / sqrt(dpx.p * dpx.p - T(1.0)))
+// Arc-tanh
+SIMPLE_UNARY_DERIVATIVE_IMPL(atanh, T(1.0) / (T(1.0) - dpx.p * dpx.p))
 
 // Atan2
 __generic<T : __BuiltinFloatingPointType>
diff --git a/source/slang/hlsl.meta.slang b/source/slang/hlsl.meta.slang
index 57cb188bb..e3d2d9dd2 100644
--- a/source/slang/hlsl.meta.slang
+++ b/source/slang/hlsl.meta.slang
@@ -6452,6 +6452,18 @@ vector<T,N> acosh(vector<T,N> x)
     }
 }
 
+__generic<T : __BuiltinFloatingPointType, let N : int, let M : int>
+[__readNone]
+[require(cpp_cuda_glsl_hlsl_metal_spirv_wgsl, sm_4_0_version)]
+matrix<T, N, M> acosh(matrix<T, N, M> x)
+{
+    __target_switch
+    {
+    case hlsl: __intrinsic_asm "acosh";
+    default:
+        MATRIX_MAP_UNARY(T, N, M, acosh, x);
+    }
+}
 
 // Test if all components are non-zero.
 __generic<T : __BuiltinType>
@@ -6955,6 +6967,19 @@ vector<T,N> asinh(vector<T,N> x)
     }
 }
 
+__generic<T : __BuiltinFloatingPointType, let N : int, let M : int>
+[__readNone]
+[require(cpp_cuda_glsl_hlsl_metal_spirv_wgsl, sm_4_0_version)]
+matrix<T, N, M> asinh(matrix<T, N, M> x)
+{
+    __target_switch
+    {
+    case hlsl: __intrinsic_asm "asinh";
+    default:
+        MATRIX_MAP_UNARY(T, N, M, asinh, x);
+    }
+}
+
 /// Reinterpret bits as an int.
 /// @category conversion
 [__readNone]
@@ -7577,6 +7602,19 @@ vector<T,N> atanh(vector<T,N> x)
     }
 }
 
+__generic<T : __BuiltinFloatingPointType, let N : int, let M : int>
+[__readNone]
+[require(cpp_cuda_glsl_hlsl_metal_spirv_wgsl, sm_4_0_version)]
+matrix<T, N, M> atanh(matrix<T, N, M> x)
+{
+    __target_switch
+    {
+    case hlsl: __intrinsic_asm "atanh";
+    default:
+        MATRIX_MAP_UNARY(T, N, M, atanh, x);
+    }
+}
+
 /// Ceiling. Returns the smallest integer that is greater than or equal to the specified value.
 /// @param x The value.
 /// @return The smallest integer that is greater than or equal to the specified value.
-- 
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