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harbour-core/harbour/contrib/libct/tests/trig.prg
Martin Vogel 97d5d8386b 2001-07-23 18:40 MEST Martin Vogel <vogel@inttec.de>
2001-07-23 16:38:00 +00:00

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/*
* Harbour Project source code:
*
* Test CT3 TRIGONOMETRIC functions - PART 1
*
* - PI
* - SIN
* - COS
* - TAN
* - COT
* - ASIN
* - ACOS
* - ATAN
* - ATN2
* - SINH
* - COSH
* - TANH
*
* Copyright 2001 Alejandro de garate <alex_degarate@hotmail.com>
*
* www - http://www.harbour-project.org
*
* 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 software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* 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.
*
*/
PROCEDURE MAIN
local X, Y
CTINIT()
SET DECIMAL TO 14
CLS
? "Begin test of Trigonometric functions... "
?
? "PI = " + STR( PI(), 18, 15 )
? "STR( SIN( PI() /4 ), 18, 15 ) = 0.707106781186548 // CT3"
? SPACE(32) + STR( SIN( PI() /4 ), 18, 15 ) + " <-- CT for Harbour"
?
? "STR( SIN( PI() /2 ), 18, 15 ) = 1.000000000000000 // CT3"
? SPACE(32) + STR( SIN( PI() /2 ), 18, 15 ) + " <-- CT for Harbour"
?
? "STR( SIN( PI() *99.5 ), 18, 15 ) = -1.000000000000000 // CT3"
? SPACE(35) + STR( SIN( PI() * 99.5 ), 18, 15 ) + " <-- CT for Harbour"
?
? "STR( SIN( PI() /9 ), 18, 15 ) = 0.342020143325669 // CT3"
? SPACE(32) + STR( SIN( PI() / 9 ), 18, 15 ) + " <-- CT for Harbour"
WAIT4()
? "STR( COS( 0 ), 18, 15 ) = 1.000000000000000 // CT3"
? SPACE(26) + STR( COS( 0 ), 18, 15 ) + " <-- CT for Harbour"
?
? "STR( COS( PI() /4 ), 18, 15 ) = 0.707106781186548 // CT3"
? SPACE(32) + STR( COS( PI() /4 ), 18, 15 ) + " <-- CT for Harbour"
?
? "STR( COS( PI() /2 ), 18, 15 ) = 0.000000000000000 // CT3"
? SPACE(32) + STR( COS( PI() /2 ), 18, 15 ) + " <-- CT for Harbour"
?
? "STR( COS( PI() *99.5 ), 18, 15 ) = 0.000000000000000 // CT3"
? SPACE(34) + STR( COS( PI() *99.5), 18, 15 ) + " <-- CT for Harbour"
?
? "STR( COS( PI() /9 ), 18, 15 ) = 0.939692620785908 // CT3"
? SPACE(32) + STR( COS( PI() / 9 ), 18, 15 ) + " <-- CT for Harbour"
?
WAIT4()
? "STR( TAN( 0 ), 18, 15 ) = 1.000000000000000 // CT3 wrong ! "
? SPACE(26) + STR( TAN( 0 ), 18, 15 ) + " <-- CT for Harbour"
?
? "STR( TAN( PI() /4 ), 18, 15 ) = 1.000000000000000 // CT3"
? SPACE(32) + STR( TAN( PI() /4 ), 18, 15 ) + " <-- CT for Harbour"
?
? "STR( TAN( PI() /9 ), 18, 15 ) = 0.363970234266202 // CT3"
? SPACE(32) + STR( TAN( PI() / 9 ), 18, 15 ) + " <-- CT for Harbour"
?
?
?
? "STR( ASIN( 0.5 ), 18, 15 ) = 0.523598775598299 // CT3"
? SPACE(29) + STR( ASIN( 0.5 ), 18, 15 ) + " <-- CT for Harbour"
?
? "STR( ACOS( 0.7 ), 18, 15 ) = 0.795398830184144 // CT3"
? SPACE(29) + STR( ACOS( 0.7 ), 18, 15 ) + " <-- CT for Harbour"
?
? "STR( ATAN( PI() /4 ), 18, 15 ) = 0.665773750028354 // CT3"
? SPACE(33) + STR( ATAN( PI() /4 ), 18, 15 ) + " <-- CT for Harbour"
?
WAIT4()
? "STR( COT( PI() /4 ), 18, 15 ) = 1.000000000000000 // CT3"
? SPACE(32) + STR( COT( PI() /4 ), 18, 15 ) + " <-- CT for Harbour"
?
? "STR( COT( PI() /2 ), 18, 15 ) = 0.000000000000000 // CT3"
? SPACE(32) + STR( COT( PI() /2 ), 18, 15 ) + " <-- CT for Harbour"
?
? "STR( COT( PI() /9 ), 18, 15 ) = 2.747477419454622 // CT3"
? SPACE(32) + STR( COT( PI() / 9 ), 18, 15 ) + " <-- CT for Harbour"
?
WAIT4()
?? "Testing Hiperbolic Sine..."
?
? "STR( SINH( PI() /2 ), 18, 15 ) = 2.301298902307295 // CT3"
? SPACE(33) + STR( SINH( PI() /2 ), 18, 15 ) + " <-- CT for Harbour"
?
? "STR( SINH( PI() /4 ), 18, 15 ) = 0.868670961486010 // CT3"
? SPACE(33) + STR( SINH( PI() /4 ), 18, 15 ) + " <-- CT for Harbour"
?
? "Testing Hiperbolic Cosine..."
?
? "STR( COSH( PI() /2 ), 18, 15 ) = 2.509178478658057 // CT3"
? SPACE(33) + STR( COSH( PI() /2 ), 18, 15 ) + " <-- CT for Harbour"
?
? "STR( COSH( PI() /4 ), 18, 15 ) = 1.324609089252006 // CT3"
? SPACE(33) + STR( COSH( PI() /4 ), 18, 15 ) + " <-- CT for Harbour"
?
? "Testing Hiperbolic Tangent..."
?
? "STR( TANH( PI() /2 ), 18, 15 ) = 0.917152335667274 // CT3"
? SPACE(33) + STR( TANH( PI() /2 ), 18, 15 ) + " <-- CT for Harbour"
?
? "STR( TANH( PI() /4 ), 18, 15 ) = 0.655794202632672 // CT3"
? SPACE(33) + STR( TANH( PI() /4 ), 18, 15 ) + " <-- CT for Harbour"
?
WAIT4()
? "Testing Degree TO Radian..."
?
? "STR( DTOR( 360), 18, 15 ) = 6.283185307179588 // CT3"
? SPACE(27) + STR( DTOR( 360), 18, 15 ), " <-- CT for Harbour "
?
? "STR( DTOR( 180), 18, 15 ) = 3.141592653589794 // CT3"
? SPACE(27) + STR( DTOR( 180), 18, 15 ), " <-- CT for Harbour "
?
? "STR( DTOR( 180.5), 18, 15 ) = 3.150319299849766 // CT3"
? SPACE(29) + STR( DTOR( 180.5), 18, 15 ), " <-- CT for Harbour "
?
? "STR( DTOR( 720), 18, 15 ) = 12.566370614359180 // CT3"
? SPACE(28) + STR( DTOR( 720), 18, 15 ), " <-- CT for Harbour "
?
? "STR( DTOR( -180), 18, 15 ) = -3.141592653589794 // CT3"
? SPACE(29) + STR( DTOR( -180), 18, 15 ), " <-- CT for Harbour "
WAIT4()
? "Testing Radian TO Degree..."
?
? "RTOD( PI() ) = 180 // CT3 "
? SPACE(7), RTOD( PI() ), " <-- CT for Harbour "
? "RTOD( 2 * PI()) = 360 // CT3 "
? SPACE(10), RTOD( 2 * PI() ), " <-- CT for Harbour "
? "RTOD( 4 * PI()) = 720 // CT3 "
? SPACE(10), RTOD( 4 * PI() ), " <-- CT for Harbour "
? "RTOD( -PI() ) = -180 // CT3"
? SPACE(9), RTOD( -PI() ), " <-- CT for Harbour "
?
WAIT4()
/* NOTE: ATN2( x, y) have the parameters inverted, when
comparing with the standard C languaje ATAN2( y, x)
*/
? "Testing ATN2( x, y )... where:"
x = SIN( DTOR( 30 ) )
y = COS( DTOR( 30 ) )
? "x = SIN( DTOR( 30 ) ) =", x
? "y = COS( DTOR( 30 ) ) =", y
?
? "STR( ATN2( x, y ), 18, 15 ) = 0.523598775598299 // CT3"
? SPACE(31) + STR( ATN2( x, y), 18, 15 ) + " <-- CT for Harbour"
?
? "RTOD( ATN2( x, y)) ="+ STR( RTOD( ATN2( x,y)), 18,4) +" <-- CT for Harbour"
?
WAIT4()
CTEXIT()
RETURN
PROCEDURE WAIT4
? " PRESS ANY KEY"
INKEY(0)
CLS
RETURN
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