version 1.8, 1994/09/12 19:00:29
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version 1.11, 1995/01/19 17:48:01
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Line 89
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Line 89
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: f2/ 2e0 f/ ; |
: f2/ 2e0 f/ ; |
: 1/f 1e0 fswap f/ ; |
: 1/f 1e0 fswap f/ ; |
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: falog ( f -- 10^f ) [ 10e0 fln ] FLiteral f* fexp ; |
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: fsinh fexpm1 fdup fdup 1e0 f+ f/ f+ f2/ ; |
\ We now have primitives for these, so we need not define them |
: fcosh fexp fdup 1/f f+ f2/ ; |
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: ftanh f2* fexpm1 fdup 2e0 f+ f/ ; |
\ : falog ( f -- 10^f ) [ 10e0 fln ] FLiteral f* fexp ; |
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: fatanh fdup f0< >r fabs 1e0 fover f- f/ f2* flnp1 f2/ |
\ : fsinh fexpm1 fdup fdup 1e0 f+ f/ f+ f2/ ; |
r> IF fnegate THEN ; |
\ : fcosh fexp fdup 1/f f+ f2/ ; |
: facosh fdup fdup f* 1e0 f- fsqrt f+ fln ; |
\ : ftanh f2* fexpm1 fdup 2e0 f+ f/ ; |
: fasinh fdup fdup f* 1e0 f+ fsqrt f/ fatanh ; |
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\ : fatanh fdup f0< >r fabs 1e0 fover f- f/ f2* flnp1 f2/ |
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\ r> IF fnegate THEN ; |
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\ : facosh fdup fdup f* 1e0 f- fsqrt f+ fln ; |
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\ : fasinh fdup fdup f* 1e0 f+ fsqrt f/ fatanh ; |
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: f~ ( f1 f2 f3 -- flag ) fdup f0= IF fdrop f= EXIT THEN |
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fdup f0> IF frot frot f- fabs fswap |
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ELSE fnegate frot frot fover fabs fover fabs f+ frot frot |
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f- fabs frot frot f* THEN f< ; |
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: f.s ." <" fdepth 0 .r ." > " fdepth 0 max maxdepth-.s @ min dup 0 |
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?DO dup i - 1- floats fp@ + f@ f. LOOP drop ; |