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harbour-core/contrib/hbct/tests/trig.prg
Viktor Szakats 9f16c2bf8e 2017-08-13 18:27 UTC Viktor Szakats (vszakats users.noreply.github.com) 
* *
    * update copyright headers with new FSF postal address
    * COPYING.txt -> LICENSE.txt (rest of repo to be synced)
2017-08-13 18:38:59 +00:00

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/*
* 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>
*
* 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()
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( 33 ) + Str( Sin( Pi() / 4 ), 18, 15 ) + " <-- CT for Harbour"
?
? "Str( Sin( Pi() / 2 ), 18, 15 ) = 1.000000000000000 // CT3"
? Space( 33 ) + Str( Sin( Pi() / 2 ), 18, 15 ) + " <-- CT for Harbour"
?
? "Str( Sin( Pi() * 99.5 ), 18, 15 ) = -1.000000000000000 // CT3"
? Space( 36 ) + Str( Sin( Pi() * 99.5 ), 18, 15 ) + " <-- CT for Harbour"
?
? "Str( Sin( Pi() / 9 ), 18, 15 ) = 0.342020143325669 // CT3"
? Space( 33 ) + 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( 33 ) + Str( Cos( Pi() / 4 ), 18, 15 ) + " <-- CT for Harbour"
?
? "Str( Cos( Pi() / 2 ), 18, 15 ) = 0.000000000000000 // CT3"
? Space( 33 ) + Str( Cos( Pi() / 2 ), 18, 15 ) + " <-- CT for Harbour"
?
? "Str( Cos( Pi() * 99.5 ), 18, 15 ) = 0.000000000000000 // CT3"
? Space( 35 ) + Str( Cos( Pi() * 99.5 ), 18, 15 ) + " <-- CT for Harbour"
?
? "Str( Cos( Pi() / 9 ), 18, 15 ) = 0.939692620785908 // CT3"
? Space( 33 ) + 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( 33 ) + Str( Tan( Pi() / 4 ), 18, 15 ) + " <-- CT for Harbour"
?
? "Str( Tan( Pi() / 9 ), 18, 15 ) = 0.363970234266202 // CT3"
? Space( 33 ) + 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( 34 ) + Str( Atan( Pi() / 4 ), 18, 15 ) + " <-- CT for Harbour"
?
WAIT4()
? "Str( Cot( Pi() / 4 ), 18, 15 ) = 1.000000000000000 // CT3"
? Space( 33 ) + Str( Cot( Pi() / 4 ), 18, 15 ) + " <-- CT for Harbour"
?
? "Str( Cot( Pi() / 2 ), 18, 15 ) = 0.000000000000000 // CT3"
? Space( 33 ) + Str( Cot( Pi() / 2 ), 18, 15 ) + " <-- CT for Harbour"
?
? "Str( Cot( Pi() / 9 ), 18, 15 ) = 2.747477419454622 // CT3"
? Space( 33 ) + Str( Cot( Pi() / 9 ), 18, 15 ) + " <-- CT for Harbour"
?
WAIT4()
?? "Testing Hiperbolic Sine..."
?
? "Str( Sinh( Pi() / 2 ), 18, 15 ) = 2.301298902307295 // CT3"
? Space( 34 ) + Str( Sinh( Pi() / 2 ), 18, 15 ) + " <-- CT for Harbour"
?
? "Str( Sinh( Pi() / 4 ), 18, 15 ) = 0.868670961486010 // CT3"
? Space( 34 ) + Str( Sinh( Pi() / 4 ), 18, 15 ) + " <-- CT for Harbour"
?
? "Testing Hiperbolic Cosine..."
?
? "Str( Cosh( Pi() / 2 ), 18, 15 ) = 2.509178478658057 // CT3"
? Space( 34 ) + Str( Cosh( Pi() / 2 ), 18, 15 ) + " <-- CT for Harbour"
?
? "Str( Cosh( Pi() / 4 ), 18, 15 ) = 1.324609089252006 // CT3"
? Space( 34 ) + Str( Cosh( Pi() / 4 ), 18, 15 ) + " <-- CT for Harbour"
?
? "Testing Hiperbolic Tangent..."
?
? "Str( Tanh( Pi() / 2 ), 18, 15 ) = 0.917152335667274 // CT3"
? Space( 34 ) + Str( Tanh( Pi() / 2 ), 18, 15 ) + " <-- CT for Harbour"
?
? "Str( Tanh( Pi() / 4 ), 18, 15 ) = 0.655794202632672 // CT3"
? Space( 34 ) + Str( Tanh( Pi() / 4 ), 18, 15 ) + " <-- CT for Harbour"
?
WAIT4()
? "Testing Degree TO Radian..."
?
? "Str( DToR( 360 ), 18, 15 ) = 6.283185307179588 // CT3"
? Space( 28 ) + Str( DToR( 360 ), 18, 15 ), " <-- CT for Harbour "
?
? "Str( DToR( 180 ), 18, 15 ) = 3.141592653589794 // CT3"
? Space( 28 ) + Str( DToR( 180 ), 18, 15 ), " <-- CT for Harbour "
?
? "Str( DToR( 180.5 ), 18, 15 ) = 3.150319299849766 // CT3"
? Space( 30 ) + Str( DToR( 180.5 ), 18, 15 ), " <-- CT for Harbour "
?
? "Str( DToR( 720 ), 18, 15 ) = 12.566370614359180 // CT3"
? Space( 29 ) + Str( DToR( 720 ), 18, 15 ), " <-- CT for Harbour "
?
? "Str( DToR( -180 ), 18, 15 ) = -3.141592653589794 // CT3"
? Space( 30 ) + 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( 11 ), RToD( 2 * Pi() ), " <-- CT for Harbour "
? "RToD( 4 * Pi() ) = 720 // CT3 "
? Space( 11 ), 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( 30 ) + 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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