/*
 * Test CT3 math functions
 *   - Floor()
 *   - Ceiling()
 *   - Log10()
 *   - Sign()
 *   - Fact()
 * Copyright 2001   Alejandro de Garate  <alex_degarate@hotmail.com>
 *
 * 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, 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; see the file LICENSE.txt.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
 *
 * As a special exception, the Harbour Project gives permission for
 * additional uses of the text contained in its release of Harbour.
 *
 * The exception is that, if you link the Harbour libraries with other
 * files to produce an executable, this does not by itself cause the
 * resulting executable to be covered by the GNU General Public License.
 * Your use of that executable is in no way restricted on account of
 * linking the Harbour library code into it.
 *
 * This exception does not however invalidate any other reasons why
 * the executable file might be covered by the GNU General Public License.
 *
 * This exception applies only to the code released by the Harbour
 * Project under the name Harbour.  If you copy code from other
 * Harbour Project or Free Software Foundation releases into a copy of
 * Harbour, as the General Public License permits, the exception does
 * not apply to the code that you add in this way.  To avoid misleading
 * anyone as to the status of such modified files, you must delete
 * this exception notice from them.
 *
 * If you write modifications of your own for Harbour, it is your choice
 * whether to permit this exception to apply to your modifications.
 * If you do not wish that, delete this exception notice.
 *
 */

#ifdef __HARBOUR__
#require "hbct"
#endif

PROCEDURE Main()

   ctinit()

   SET DECIMAL TO 2
   CLS
   ? "Test of mathematical functions"
   ?

   ? "Floor( 1.9 ) = 1       // CT3"
   ? Space( 5 ), Floor( 1.9 ), "  <-- CT for Harbour"
   ?

   ? "Floor( 1.1 ) = 1       // CT3"
   ? Space( 5 ), Floor( 1.1 ), "  <-- CT for Harbour"
   ?

   ? "Floor( 0.9 ) = 0       // CT3"
   ? Space( 5 ), Floor( 0.9 ), "  <-- CT for Harbour"
   ?

   ? "Floor( -0.1 ) = -1       // CT3"
   ? Space( 7 ), Floor( -0.1 ), "  <-- CT for Harbour"
   ?

   ? "Floor( -0.9 ) = -1       // CT3"
   ? Space( 7 ), Floor( -0.9 ), "  <-- CT for Harbour"
   ?

   ? "Floor( -1.1 ) = -2       // CT3"
   ? Space( 7 ), Floor( -1.1 ), "  <-- CT for Harbour"
   ?

   WAIT4()

   ? "Ceiling( 1.9 ) = 2       // CT3"
   ? Space( 7 ), Ceiling( 1.9 ), "  <-- CT for Harbour"
   ?

   ? "Ceiling( 1.1 ) = 2       // CT3"
   ? Space( 7 ), Ceiling( 1.1 ), "  <-- CT for Harbour"
   ?

   ? "Ceiling( 0.9 ) = 1       // CT3"
   ? Space( 7 ), Ceiling( 0.9 ), "  <-- CT for Harbour"
   ?

   ? "Ceiling( -0.1 ) = 0       // CT3"
   ? Space( 8 ), Ceiling( -0.1 ), "  <-- CT for Harbour"
   ?

   ? "Ceiling( -0.9 ) = 0       // CT3"
   ? Space( 8 ), Ceiling( -0.9 ), "  <-- CT for Harbour"
   ?

   ? "Ceiling( -1.1 ) = -1       // CT3"
   ? Space( 9 ), Ceiling( -1.1 ), "  <-- CT for Harbour"
   ?

   WAIT4()

   ? "Log10( 0.01 ) = -2.00    // CT3"
   ?  Space( 7 ), Log10( 0.01 ), "  <-- CT for Harbour"
   ?

   ? "Log10( 2 ) = 0.30    // CT3"
   ?  Space( 3 ), Log10( 2 ), "  <-- CT for Harbour"
   ?

   ? "Log10( 100 ) = 2.00    // CT3"
   ?  Space( 5 ), Log10( 100 ), "  <-- CT for Harbour"
   ?
   ?

   ? "Sign( 48335 ) = 1    // CT3"
   ? Space( 6 ), Sign( 48335 ), "  <-- CT for Harbour"
   ?

   ? "Sign( -258 ) = -1    // CT3"
   ? Space( 6 ), Sign( -258 ), "  <-- CT for Harbour"
   ?

   WAIT4()

   SET DECIMALS TO 0
   ? "Fact( 1 ) = 1    // CT3"
   ? Space( 2 ), Fact( 1 ), "  <-- CT for Harbour"
   ?

   ? "Fact( 5 ) = 120    // CT3"
   ? Space( 4 ), Fact( 5 ), "  <-- CT for Harbour"
   ?

   ? "Fact( 21 ) = 51090942171709440000    // CT3"
   ? Space( 12 ), Fact( 21 ), "  <-- CT for Harbour"
   ?

   ? "Fact( 25 ) = -1    // CT3"
   ? Space( 4 ), Fact( 25 ), "  <-- CT for Harbour"
   ?

   ? "Fact( 0 ) = 1    // CT3"
   ? Space( 2 ), Fact( 0 ), "  <-- CT for Harbour"
   ?

   ctexit()

   RETURN

PROCEDURE WAIT4()

   ? "  Press any key"
   Inkey( 0 )
   CLS

   RETURN