Saves floating-point pixel data as an OpenEXR (.exr) HDR image via TinyEXR. Supports 1/3/4-channel float and half-float source formats; 2-channel (RG) sources are padded to RGB with B = 0. Channels are written as 32-bit float (no precision loss). Assumes the caller has already validated dimensions and the non-null path.
source not stored for this graph (policy: none)
no test coverage detected