Suppress CR in quiet mode, patch by Derek Fawcus.

[pforth] / fth / t_floats.fth

\ @(#) t_floats.fth 98/02/26 1.1 17:46:04\r
\ Test ANS Forth FLOAT words.\r
\\r
\ Copyright 1994 3DO, Phil Burk\r
\r
INCLUDE? }T{  t_tools.fth\r
\r
ANEW TASK-T_FLOATS.FTH\r
\r
DECIMAL\r
3.14159265 fconstant PI\r
\r
TEST{\r
\ ==========================================================\r
T{ 1 2 3 }T{ 1 2 3 }T\r
\  ----------------------------------------------------- D>F F>D\r
\ test some basic floating point <> integer conversion\r
T{   4  0 D>F F>D  }T{   4  0 }T\r
T{ 835  0 D>F F>D  }T{ 835  0 }T\r
T{ -57 -1 D>F F>D  }T{ -57 -1 }T\r
T{ 15 S>F 2 S>F F/ F>S }T{ 7 }T  \ 15.0/2.0 -> 7.5\r
\r
\  ----------------------------------------------------- input\r
T{ 79.2 F>S }T{ 79 }T\r
T{ 0.003 F>S }T{ 0 }T\r
\r
\ ------------------------------------------------------ F~\r
T{  23.4  23.5  0.2   f~ }T{  true  }T\r
T{  23.4  23.7  0.2   f~ }T{  false }T\r
T{ 922.3 922.3  0.0   f~ }T{  true  }T\r
T{ 922.3 922.31 0.0   f~ }T{  false }T\r
T{   0.0   0.0  0.0   f~ }T{  true  }T\r
T{   0.0  -0.0  0.0   f~ }T{  false }T\r
T{  50.0  51.0 -0.02  f~ }T{  true  }T\r
T{  50.0  51.0 -0.002 f~ }T{  false }T\r
T{ 500.0 510.0 -0.02  f~ }T{  true  }T\r
T{ 500.0 510.0 -0.002 f~ }T{  false }T\r
\r
\ convert number to text representation and then back to float\r
: T_F. ( -- ok? ) ( r ftol -f- )\r
	fover (f.) >float fswap f~\r
	AND\r
;\r
: T_FS. ( -- ok? ) ( r ftol -f- )\r
	fover (fs.) >float fswap f~\r
	AND\r
;\r
: T_FE. ( -- ok? ) ( r ftol -f- )\r
	fover (fe.) >float fswap f~\r
	AND\r
;\r
\r
: T_FG. ( -- ok? ) ( r ftol -f- )\r
	fover (f.) >float fswap f~\r
	AND\r
;\r
\r
: T_F>D ( -- ok? ) ( r ftol -f- )\r
	fover f>d d>f fswap f~\r
;\r
\r
T{ 0.0  0.00001 T_F.  }T{  true  }T\r
T{ 0.0  0.00001 T_FS.  }T{  true  }T\r
T{ 0.0  0.00001 T_FE.  }T{  true  }T\r
T{ 0.0  0.00001 T_FG.  }T{  true  }T\r
T{ 0.0  0.00001 T_F>D  }T{  true  }T\r
\r
T{ 12.34  -0.0001 T_F.  }T{  true  }T\r
T{ 12.34  -0.0001 T_FS.  }T{  true  }T\r
T{ 12.34  -0.0001 T_FE.  }T{  true  }T\r
T{ 12.34  -0.0001 T_FG.  }T{  true  }T\r
T{ 1234.0  -0.0001 T_F>D  }T{  true  }T\r
\r
T{ 2345 S>F  79 S>F  F/  -0.0001 T_F.  }T{  true  }T\r
T{ 511 S>F  -294 S>F  F/  -0.0001 T_F.  }T{  true  }T\r
\r
: T.SERIES { N matchCFA | flag -- ok? } (  fstart fmult -f- )\r
	fswap  ( -- fmult fstart )\r
	true -> flag\r
	N 0\r
	?DO\r
		fdup -0.0001 matchCFA execute not\r
		IF\r
			false -> flag\r
			." T_F_SERIES failed for " i . fdup f. cr\r
			leave\r
		THEN\r
\		i . fdup f. cr\r
		fover f*\r
	LOOP\r
	matchCFA >name id. ."  T.SERIES final = " fs. cr\r
	flag\r
;\r
\r
: T.SERIES_F.    ['] t_f.  t.series ;\r
: T.SERIES_FS.   ['] t_fs. t.series ;\r
: T.SERIES_FG.   ['] t_fg. t.series ;\r
: T.SERIES_FE.   ['] t_fe. t.series ;\r
: T.SERIES_F>D   ['] t_f>d t.series ;\r
\r
T{  1.0     1.3       150 t.series_f.    }T{  true  }T\r
T{  1.0    -1.3       150 t.series_f.    }T{  true  }T\r
T{  2.3456789 1.3719  150 t.series_f.    }T{  true  }T\r
\r
T{  3000.0  1.298     120 t.series_f>d   }T{  true  }T\r
\r
T{  1.2     1.27751   150 t.series_fs.   }T{  true  }T\r
T{  7.43    0.812255  200 t.series_fs.   }T{  true  }T\r
\r
T{  1.195   1.30071   150 t.series_fe.   }T{  true  }T\r
T{  5.913   0.80644   200 t.series_fe.   }T{  true  }T\r
\r
T{  1.395   1.55071   120 t.series_fe.   }T{  true  }T\r
T{  5.413   0.83644   160 t.series_fe.   }T{  true  }T\r
\r
\  ----------------------------------------------------- FABS\r
T{  0.0   FABS  0.0         0.00001 F~    }T{  true  }T\r
T{  7.0   FABS  7.0         0.00001 F~    }T{  true  }T\r
T{ -47.3  FABS  47.3        0.00001 F~    }T{  true  }T\r
\r
\  ----------------------------------------------------- FSQRT\r
T{  49.0  FSQRT  7.0       -0.0001 F~    }T{  true  }T\r
T{  2.0   FSQRT  1.414214  -0.0001 F~    }T{  true  }T\r
\r
\  ----------------------------------------------------- FSIN\r
T{  0.0   FSIN  0.0         0.00001 F~    }T{  true  }T\r
T{  PI    FSIN  0.0         0.00001 F~    }T{  true  }T\r
T{  PI 2.0 F*  FSIN   0.0   0.00001 F~    }T{  true  }T\r
T{  PI 0.5 F*  FSIN   1.0   0.00001 F~    }T{  true  }T\r
T{  PI 6.0 F/  FSIN   0.5   0.00001 F~    }T{  true  }T\r
\r
\  ----------------------------------------------------- \\r
}TEST\r
\r