[TFLite] Quantized unary elemwise ops

Author: leeexyz

python/tvm/relay/frontend/tflite.py

@@ -1141,36 +1141,22 @@ def convert_abs(self, op):
 
     def convert_ceil(self, op):
         """Convert TFLite CEIL"""
-        if self.is_quantized(op):
-            raise tvm.error.OpNotImplemented("TFlite quantized CEIL operator is not supported yet.")
         return self._convert_unary_elemwise(_op.ceil, op)
 
     def convert_floor(self, op):
         """Convert TFLite FLOOR"""
-        if self.is_quantized(op):
-            raise tvm.error.OpNotImplemented(
-                "TFlite quantized FLOOR operator is not supported yet."
-            )
         return self._convert_unary_elemwise(_op.floor, op)
 
     def convert_round(self, op):
         """Convert TFLite ROUND"""
-        if self.is_quantized(op):
-            raise tvm.error.OpNotImplemented(
-                "TFlite quantized ROUND operator is not supported yet."
-            )
         return self._convert_unary_elemwise(_op.round, op)
 
     def convert_exp(self, op):
         """Convert TFLite EXP"""
-        if self.is_quantized(op):
-            raise tvm.error.OpNotImplemented("TFlite quantized EXP operator is not supported yet.")
         return self._convert_unary_elemwise(_op.exp, op)
 
     def convert_log(self, op):
         """Convert TFLite LOG"""
-        if self.is_quantized(op):
-            raise tvm.error.OpNotImplemented("TFlite quantized LOG operator is not supported yet.")
         return self._convert_unary_elemwise(_op.log, op)
 
     def convert_sin(self, op):
@@ -1179,14 +1165,10 @@ def convert_sin(self, op):
 
     def convert_tan(self, op):
         """Convert TFLite TAN"""
-        if self.is_quantized(op):
-            raise tvm.error.OpNotImplemented("TFlite quantized TAN operator is not supported yet.")
         return self._convert_unary_elemwise(_op.tan, op)
 
     def convert_cos(self, op):
         """Convert TFLite COS"""
-        if self.is_quantized(op):
-            raise tvm.error.OpNotImplemented("TFlite quantized COS operator is not supported yet.")
         return self._convert_unary_elemwise(_op.cos, op)
 
     def convert_sqrt(self, op):