v0.19

need/zhuan_tool.py

@@ -0,0 +1,21 @@
+#python处理floatIEE754格式转换
+import struct
+
+def IEEE754_16_to_float(x,byte_type):
+    if byte_type == 32:
+        return struct.unpack('>f',struct.pack('>I',int(x,16)))[0]
+    if byte_type == 64:
+        return struct.unpack('>d',struct.pack('>Q',int(x,16)))[0]
+    
+def IEEE754_float_to_16(x,byte_type):
+    if byte_type == 32:
+        return hex(struct.unpack('>I',struct.pack('>f',x))[0])[2:].upper()
+    if byte_type == 64:
+        return hex(struct.unpack('>Q',struct.pack('>d',x))[0])[2:].upper()
+
+if __name__ == '__main__':
+    ##测试程序##
+    x = 'BE051EB8'
+    y = -0.13
+    print(IEEE754_16_to_float(x,32))
+    print(IEEE754_float_to_16(y,32))