20 lines
447 B
C++
20 lines
447 B
C++
// Guess which symbol to use for derivative, integral, etc.
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#include "stdafx.h"
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#include "defs.h"
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void
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guess(void)
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{
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if (find(stack[tos - 1], symbol(SYMBOL_X)))
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push_symbol(SYMBOL_X);
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else if (find(stack[tos - 1], symbol(SYMBOL_Y)))
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push_symbol(SYMBOL_Y);
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else if (find(stack[tos - 1], symbol(SYMBOL_Z)))
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push_symbol(SYMBOL_Z);
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else if (find(stack[tos - 1], symbol(SYMBOL_T)))
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push_symbol(SYMBOL_T);
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else
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push_symbol(SYMBOL_X);
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}
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