From 4e71a481884c0c43aea3d0ee695ae68cdec56478 Mon Sep 17 00:00:00 2001
From: BiSaXa <1669855+BiSaXa@users.noreply.github.com>
Date: Wed, 7 Sep 2022 19:40:16 +0300
Subject: first rewrite commit using bisaxa/bitreader

---
 utils/utils.go | 44 ++------------------------------------------
 1 file changed, 2 insertions(+), 42 deletions(-)

(limited to 'utils/utils.go')

diff --git a/utils/utils.go b/utils/utils.go
index 5226e80..46b707c 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -1,55 +1,15 @@
 package utils
 
-import (
-	"encoding/binary"
-	"log"
-	"math"
-	"math/bits"
-	"os"
-	"unsafe"
-)
+import "os"
 
 func CheckError(e error) {
 	if e != nil {
-		log.Panic(e)
+		panic(e)
 	}
 }
 
-func ReverseByteArrayValues(byteArr []byte, size int) []byte {
-	arr := make([]byte, size)
-	for index, byteValue := range byteArr {
-		arr[index] = bits.Reverse8(byteValue)
-	}
-	return arr
-}
-
 func ReadByteFromFile(file *os.File, size int32) []byte {
 	tmp := make([]byte, size)
 	file.Read(tmp)
 	return tmp
 }
-
-func IntFromBytes(byteArr []byte) uint32 {
-	int := binary.LittleEndian.Uint32(byteArr)
-	return int
-}
-
-func FloatFromBytes(byteArr []byte) float32 {
-	bits := binary.LittleEndian.Uint32(byteArr)
-	float := math.Float32frombits(bits)
-	return float
-}
-
-func FloatArrFromBytes(byteArr []byte) []float32 {
-	if len(byteArr) == 0 {
-		return nil
-	}
-
-	l := len(byteArr) / 4
-	ptr := unsafe.Pointer(&byteArr[0])
-	// It is important to keep in mind that the Go garbage collector
-	// will not interact with this data, and that if src if freed,
-	// the behavior of any Go code using the slice is nondeterministic.
-	// Reference: https://github.com/golang/go/wiki/cgo#turning-c-arrays-into-go-slices
-	return (*[1 << 26]float32)((*[1 << 26]float32)(ptr))[:l:l]
-}
-- 
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