copysign: Wasm Text-Instruktion

(module
 (import "console" "log" (func $log (param f32)))
 (func $main
 ;; load `10` and a negative number onto the stack
 f32.const 10
 f32.const -2
 f32.copysign ;; copy just the sign bit from second to the first number
 call $log ;; log the result
 )
 (start $main)
)

const url = "{%wasm-url%}";
await WebAssembly.instantiateStreaming(fetch(url), { console });

;; load two numbers onto the stack
f32.const 10
f32.const -1
;; copy just the sign bit from the second number (-1) to the first (10)
f32.copysign
;; the top item on the stack will now be -10

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