/*
 * Copyright 2011-2013 Blender Foundation
 *
 * 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 "stdosl.h"

shader node_map_range(float Value = 1.0,
                      float FromMin = 0.0,
                      float FromMax = 1.0,
                      float ToMin = 0.0,
                      float ToMax = 1.0,
                      output float Result = 0.0)
{
  if (FromMax != FromMin) {
    Result = ToMin + ((Value - FromMin) / (FromMax - FromMin)) * (ToMax - ToMin);
  }
}