number-nan -- r7rs Type

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Sub-types tree

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• complex-nan:
  • real-nan;

Super-types

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• inexact-number-not-inf;

Super-types recursive

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• inexact-number;
• number;
• number-not-inf;

Sub-types

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• complex-nan;

Sub-types recursive

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• real-nan;

Referent definitions as input

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• finite?;
• infinite?;
• nan?;

Referent definitions as input (recursive)

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• number?;
• integer?;
• real?;
• rational?;
• complex?;
• exact?;
• inexact?;
• exact-integer?;
• zero?;
• =;
• +;
• -;
• *;
• /;
• expt;
• square;
• inexact;
• sqrt;
• exp;
• log;
• sin;
• cos;
• tan;
• asin;
• acos;
• atan;
• number->string;
• <;
• <=;
• >=;
• >;

Note: These definitions consume an input that is a super-type.

Referent definitions as output

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• +;
• -;
• *;
• /;
• expt;
• square;
• sqrt;
• exp;
• log;
• sin;
• cos;
• tan;
• asin;
• acos;
• atan;

Referent definitions as output (recursive)

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• abs;
• floor/;
• floor-quotient;
• floor-remainder;
• truncate/;
• truncate-quotient;
• truncate-remainder;
• floor;
• ceiling;
• truncate;
• round;
• min;
• max;

Note: These definitions produce an output that is a sub-type.

Predicate

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(lambda (value) (and (number? value) (nan? value)))

Categories

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• types-numbers;
• types-constants;

Categories recursive

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• types;