File: Ceil.cpp

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/*
 * Copyright (c) 2009 Samit Basu
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include "Operators.hpp"
#include "Array.hpp"
#include <cmath>

struct OpCeil {
  static inline float func(float t) { return ceilf(t); }
  static inline double func(double t) {return ceil(t); }
  static inline void func(float x, float y, float &rx, float &ry) {
    rx = ceilf(x); ry = ceilf(y);
  }
  static inline void func(double x, double y, double &rx, double &ry) {
    rx = ceil(x); ry = ceil(y);
  }
};

//@@Signature
//function ceil CeilFunction jitsafe
//input x
//output y
//DOCBLOCK elementary_ceil
ArrayVector CeilFunction(int nargout, const ArrayVector& arg) {
  if (arg.size() < 1)
    throw Exception("ceil requires one argument");
  return ArrayVector(UnaryOp<OpCeil>(arg[0]));
}

JitScalarFunc1(ceil,OpCeil::func);