Hadamard product implementation using simd matrices written in Swift

simd+HamardProduct.swift

//
//  PlantMorphology
//
//  Created by Jelle Maas on 05/12/2022.
//

import Foundation
import simd

// Extension functions for vDSP implementing the hadamard product operation for matrices
// see https://en.wikipedia.org/wiki/Hadamard_product_(matrices) for more info
func simd_hadamardProduct(a: simd_float2x2, b: simd_float2x2) -> simd_float2x2 {
    return simd_float2x2([
        a[0] * b[0],
        a[1] * b[1]
    ])
}

func simd_hadamardProduct(a: simd_float3x3, b: simd_float3x3) -> simd_float3x3 {
    return simd_float3x3([
        a[0] * b[0],
        a[1] * b[1],
        a[2] * b[2]
    ])
}

func simd_hadamardProduct(a: simd_float4x4, b: simd_float4x4) -> simd_float4x4 {
    return simd_float4x4([
        a[0] * b[0],
        a[1] * b[1],
        a[2] * b[2],
        a[3] * b[3]
    ])
}