use fma in decoding (#148)

* use fma * Update Project.toml * bump version
beacon-biosignals · Jan 26, 2024 · ba275fc · ba275fc · ericphanson · Jan 26, 2024
1 parent 7b0c191
commit ba275fc
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/Project.toml b/Project.toml
@@ -1,7 +1,7 @@
 name = "Onda"
 uuid = "e853f5be-6863-11e9-128d-476edb89bfb5"
 authors = ["Beacon Biosignals, Inc."]
-version = "0.15.4"
+version = "0.15.5"
 
 [deps]
 Arrow = "69666777-d1a9-59fb-9406-91d4454c9d45"

diff --git a/src/samples.jl b/src/samples.jl
@@ -365,7 +365,7 @@ end
 """
     decode(sample_resolution_in_unit, sample_offset_in_unit, sample_data)
 
-Return `sample_resolution_in_unit .* sample_data .+ sample_offset_in_unit`.
+Return `fma.(sample_resolution_in_unit, sample_data, sample_offset_in_unit)`.
 
 If:
 
@@ -379,7 +379,7 @@ function decode(sample_resolution_in_unit, sample_offset_in_unit, sample_data)
     if sample_data isa AbstractArray
         isone(sample_resolution_in_unit) && iszero(sample_offset_in_unit) && return sample_data
     end
-    return sample_resolution_in_unit .* sample_data .+ sample_offset_in_unit
+    return fma.(sample_resolution_in_unit, sample_data, sample_offset_in_unit)
 end
 
 """
@@ -389,7 +389,7 @@ Similar to `decode(sample_resolution_in_unit, sample_offset_in_unit, sample_data
 write decoded values to `result_storage` rather than allocating new storage.
 """
 function decode!(result_storage, sample_resolution_in_unit, sample_offset_in_unit, sample_data)
-    f = x -> sample_resolution_in_unit * x + sample_offset_in_unit
+    f = x -> fma(sample_resolution_in_unit, x, sample_offset_in_unit)
     return broadcast!(f, result_storage, sample_data)
 end