version 1.14, 1995/02/08 13:38:51
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version 1.15, 1995/08/27 19:56:29
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Line 82
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Line 82
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' sfnumber IS notfound |
' sfnumber IS notfound |
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: fvariable ( -- ) |
: fvariable ( -- ) |
Create 0e0 f, ; |
Create 0.0E0 f, ; |
\ does> ( -- f-addr ) |
\ does> ( -- f-addr ) |
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1e0 fasin 2e0 f* fconstant pi |
1.0e0 fasin 2.0e0 f* fconstant pi |
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: f2* 2e0 f* ; |
: f2* 2.0e0 f* ; |
: f2/ .5e0 f* ; |
: f2/ 0.5e0 f* ; |
: 1/f 1e0 fswap f/ ; |
: 1/f 1.0e0 fswap f/ ; |
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\ We now have primitives for these, so we need not define them |
\ We now have primitives for these, so we need not define them |
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\ : falog ( f -- 10^f ) [ 10e0 fln ] FLiteral f* fexp ; |
\ : falog ( f -- 10^f ) [ 10.0e0 fln ] FLiteral f* fexp ; |
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\ : fsinh fexpm1 fdup fdup 1e0 f+ f/ f+ f2/ ; |
\ : fsinh fexpm1 fdup fdup 1.0e0 f+ f/ f+ f2/ ; |
\ : fcosh fexp fdup 1/f f+ f2/ ; |
\ : fcosh fexp fdup 1/f f+ f2/ ; |
\ : ftanh f2* fexpm1 fdup 2e0 f+ f/ ; |
\ : ftanh f2* fexpm1 fdup 2.0e0 f+ f/ ; |
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\ : fatanh fdup f0< >r fabs 1e0 fover f- f/ f2* flnp1 f2/ |
\ : fatanh fdup f0< >r fabs 1.0e0 fover f- f/ f2* flnp1 f2/ |
\ r> IF fnegate THEN ; |
\ r> IF fnegate THEN ; |
\ : facosh fdup fdup f* 1e0 f- fsqrt f+ fln ; |
\ : facosh fdup fdup f* 1.0e0 f- fsqrt f+ fln ; |
\ : fasinh fdup fdup f* 1e0 f+ fsqrt f/ fatanh ; |
\ : fasinh fdup fdup f* 1.0e0 f+ fsqrt f/ fatanh ; |
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: f~ ( f1 f2 f3 -- flag ) fdup f0= IF fdrop f= EXIT THEN |
: f~ ( f1 f2 f3 -- flag ) fdup f0= IF fdrop f= EXIT THEN |
fdup f0> IF frot frot f- fabs fswap |
fdup f0> IF frot frot f- fabs fswap |