text: // This file is part of libigl, a simple c++ geometry processing library.
  // 
  // Copyright (C) 2015 Alec Jacobson <alecjacobson@gmail.com>
  // 
  // This Source Code Form is subject to the terms of the Mozilla Public License 
  // v. 2.0. If a copy of the MPL was not distributed with this file, You can 
  // obtain one at http://mozilla.org/MPL/2.0/.
  #include "validate_arg.h"
  #include "requires_arg.h"
  #include "mexErrMsgTxt.h"
  #include "../C_STR.h"
  
  IGL_INLINE void igl::matlab::validate_arg_scalar(
      const int i, const int nrhs, const mxArray * prhs[], const char * name)
  {
    requires_arg(i,nrhs,name);
    mexErrMsgTxt(mxGetN(prhs[i+1])==1 && mxGetM(prhs[i+1])==1,
        C_STR("Parameter '"<<name<<"' requires scalar argument"));
  }
  
  IGL_INLINE void igl::matlab::validate_arg_logical(
      const int i, const int nrhs, const mxArray * prhs[], const char * name)
  {
    requires_arg(i,nrhs,name);
    mexErrMsgTxt(mxIsLogical(prhs[i+1]),
      C_STR("Parameter '"<<name<<"' requires Logical argument"));
  }
  
  IGL_INLINE void igl::matlab::validate_arg_char(
      const int i, const int nrhs, const mxArray * prhs[], const char * name)
  {
    requires_arg(i,nrhs,name);
    mexErrMsgTxt(mxIsChar(prhs[i+1]),
      C_STR("Parameter '"<<name<<"' requires char argument"));
  }
  
  IGL_INLINE void igl::matlab::validate_arg_double(
      const int i, const int nrhs, const mxArray * prhs[], const char * name)
  {
    requires_arg(i,nrhs,name);
    mexErrMsgTxt(mxIsDouble(prhs[i+1]),
      C_STR("Parameter '"<<name<<"' requires double argument"));
  }
  IGL_INLINE void igl::matlab::validate_arg_function_handle(
      const int i, const int nrhs, const mxArray * prhs[], const char * name)
  {
    requires_arg(i,nrhs,name);
    mexErrMsgTxt(mxIsClass(prhs[i+1],"function_handle"),
      C_STR("Parameter '"<<name<<"' requires function handle argument"));
  }
  