Few more correction

ScriptableRenderPipeline/Core/CoreRP/ShaderLibrary/GeometricTools.hlsl

 // Plane equation: {(a, b, c) = N, d = -dot(N, P)}.
 // Returns the distance from the plane to the point 'p' along the normal.
 // Positive -> in front (above), negative -> behind (below).
-float DistanceFromPlane(float3 p, float3 plane)
+float DistanceFromPlane(float3 p, float4 plane)
 {
     return dot(float4(p, 1.0), plane);
 }

ScriptableRenderPipeline/Core/CoreRP/ShaderLibrary/Packing.hlsl

 }
 
 // The standard 32-bit HDR color format
-uint PackToR11G11B10f(real3 rgb)
+uint PackToR11G11B10f(float3 rgb)
 {
     uint r = (f32tof16(rgb.x) << 17) & 0xFFE00000;
     uint g = (f32tof16(rgb.y) << 6) & 0x001FFC00;
 
-real3 UnpackFromR11G11B10f(uint rgb)
+float3 UnpackFromR11G11B10f(uint rgb)
-    real r = f16tof32((rgb >> 17) & 0x7FF0);
-    real g = f16tof32((rgb >> 6) & 0x7FF0);
-    real b = f16tof32((rgb << 5) & 0x7FE0);
-    return real3(r, g, b);
+    float r = f16tof32((rgb >> 17) & 0x7FF0);
+    float g = f16tof32((rgb >> 6) & 0x7FF0);
+    float b = f16tof32((rgb << 5) & 0x7FE0);
+    return float3(r, g, b);
 }
 
 #endif // SHADER_API_GLES