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// Copyright 2016 The Draco Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "draco/core/quantization_utils.h"
namespace draco {
Quantizer::Quantizer() : inverse_delta_(1.f) {}
void Quantizer::Init(float range, int32_t max_quantized_value) {
inverse_delta_ = static_cast<float>(max_quantized_value) / range;
}
void Quantizer::Init(float delta) { inverse_delta_ = 1.f / delta; }
Dequantizer::Dequantizer() : delta_(1.f) {}
bool Dequantizer::Init(float range, int32_t max_quantized_value) {
if (max_quantized_value <= 0)
return false;
delta_ = range / static_cast<float>(max_quantized_value);
return true;
}
bool Dequantizer::Init(float delta) {
delta_ = delta;
return true;
}
} // namespace draco
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