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34 lines
513 B
Plaintext
34 lines
513 B
Plaintext
NAME
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meq - test for equality modulo a specifed number
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SYNOPSIS
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meq(x, y, md)
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TYPES
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x real
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y real
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md real
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return 0 or 1
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DESCRIPTION
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Returns 1 if and only if for some integer n, x - y = n * md, i.e.
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x is congruent to y modulo md.
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If md = 0, this is equivalent to x == y.
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For any x, y, md, meq(x, y, md) = ismult(x - y, md).
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EXAMPLE
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> print meq(5, 33, 7), meq(.05, .33, -.07), meq(5, 32, 7)
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1 1 0
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LIMITS
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none
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LIBRARY
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none
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SEE ALSO
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mne, ismult
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