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<!-- Weave of 'Floating - Point Values' generated by Inweb -->
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< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../compiler.html" > Services< / a > < / li > < li > < a href = "index.html" > kinds< / a > < / li > < li > < a href = "index.html#3" > Chapter 3: Arithmetic< / a > < / li > < li > < b > Floating-Point Values< / b > < / li > < / ul > < / div >
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< p class = "purpose" > To cope with promotions from integer to floating-point arithmetic.< / p >
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< p class = "commentary firstcommentary" > < a id = "SP1" > < / a > < b > § 1. < / b > If we do have floating-point arithmetic available, we need to be able to
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play off between real and integer versions of the same kind — for example,
using real arithmetic to approximately carry out integer calculations, or vice
versa.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > typedef< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > generalised_kind< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > valid_kind< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > must be non-null< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > promotion< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > < / span > < span class = "extract" > < span class = "extract-syntax" > 0< / span > < / span > < span class = "comment-syntax" > for no change, < / span > < span class = "extract" > < span class = "extract-syntax" > 1< / span > < / span > < span class = "comment-syntax" > for "a real version", < / span > < span class = "extract" > < span class = "extract-syntax" > -1< / span > < / span > < span class = "comment-syntax" > for "an int version"< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > generalised_kind< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > The structure generalised_kind is private to this section.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP2" > < / a > < b > § 2. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > generalised_kind< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Kinds::FloatingPoint::new_gk< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "can't generalise the null kind"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > generalised_kind< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > valid_kind< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > promotion< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Kinds::FloatingPoint::log_gk< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > generalised_kind< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOG< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "%u"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > valid_kind< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > .< / span > < span class = "identifier-syntax" > promotion< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ) { < / span > < span class = "identifier-syntax" > LOG< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "=> real"< / span > < span class = "plain-syntax" > ); }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > .< / span > < span class = "identifier-syntax" > promotion< / span > < span class = "plain-syntax" > == -1) { < / span > < span class = "identifier-syntax" > LOG< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "=> int"< / span > < span class = "plain-syntax" > ); }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Kinds::FloatingPoint::underlying< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > generalised_kind< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > valid_kind< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Kinds::FloatingPoint::is_real< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > generalised_kind< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > .< / span > < span class = "identifier-syntax" > promotion< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "3-fv.html#SP3" class = "function-link" > < span class = "function-syntax" > Kinds::FloatingPoint::uses_floating_point< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > valid_kind< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > generalised_kind< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Kinds::FloatingPoint::to_integer< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > generalised_kind< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "3-fv.html#SP2" class = "function-link" > < span class = "function-syntax" > Kinds::FloatingPoint::is_real< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > promotion< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > promotion< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > = < / span > < a href = "3-fv.html#SP3" class = "function-link" > < span class = "function-syntax" > Kinds::FloatingPoint::integer_equivalent< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > valid_kind< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "3-fv.html#SP3" class = "function-link" > < span class = "function-syntax" > Kinds::FloatingPoint::uses_floating_point< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > valid_kind< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > promotion< / span > < span class = "plain-syntax" > = -1;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "3-fv.html#SP2" class = "function-link" > < span class = "function-syntax" > Kinds::FloatingPoint::is_real< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > ))< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "gK inconsistent"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > generalised_kind< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Kinds::FloatingPoint::to_real< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > generalised_kind< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "3-fv.html#SP2" class = "function-link" > < span class = "function-syntax" > Kinds::FloatingPoint::is_real< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > ) == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > promotion< / span > < span class = "plain-syntax" > == -1) < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > promotion< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > = < / span > < a href = "3-fv.html#SP3" class = "function-link" > < span class = "function-syntax" > Kinds::FloatingPoint::real_equivalent< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > valid_kind< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "3-fv.html#SP3" class = "function-link" > < span class = "function-syntax" > Kinds::FloatingPoint::uses_floating_point< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > valid_kind< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > promotion< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "3-fv.html#SP2" class = "function-link" > < span class = "function-syntax" > Kinds::FloatingPoint::is_real< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > ) == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > )< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "gK inconsistent"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gK< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
2019-03-17 14:40:57 +02:00
< / pre >
2020-08-09 20:39:31 +03:00
< p class = "commentary firstcommentary" > < a id = "SP3" > < / a > < b > § 3. < / b > < / p >
2020-05-03 03:01:21 +03:00
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Kinds::FloatingPoint::begin_flotation< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUTPUT_STREAM< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "2-uk.html#SP19" class = "function-link" > < span class = "function-syntax" > Kinds::Behaviour::scale_factor< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) != < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "REAL_NUMBER_TY_Divide("< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "NUMBER_TY_to_REAL_NUMBER_TY"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "("< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Kinds::FloatingPoint::end_flotation< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUTPUT_STREAM< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > ")"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "2-uk.html#SP19" class = "function-link" > < span class = "function-syntax" > Kinds::Behaviour::scale_factor< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) != < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > ", NUMBER_TY_to_REAL_NUMBER_TY(%d))"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < a href = "2-uk.html#SP19" class = "function-link" > < span class = "function-syntax" > Kinds::Behaviour::scale_factor< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Kinds::FloatingPoint::begin_deflotation< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUTPUT_STREAM< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "REAL_NUMBER_TY_to_NUMBER_TY("< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "2-uk.html#SP19" class = "function-link" > < span class = "function-syntax" > Kinds::Behaviour::scale_factor< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) != < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "REAL_NUMBER_TY_Times("< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Kinds::FloatingPoint::end_deflotation< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUTPUT_STREAM< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "2-uk.html#SP19" class = "function-link" > < span class = "function-syntax" > Kinds::Behaviour::scale_factor< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) != < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > ", NUMBER_TY_to_REAL_NUMBER_TY(%d))"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < a href = "2-uk.html#SP19" class = "function-link" > < span class = "function-syntax" > Kinds::Behaviour::scale_factor< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > ")"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > #< / span > < span class = "identifier-syntax" > ifdef< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CORE_MODULE< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Kinds::FloatingPoint::begin_flotation_emit< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "2-uk.html#SP19" class = "function-link" > < span class = "function-syntax" > Kinds::Behaviour::scale_factor< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) != < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::inv_call_iname< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > Hierarchy::find< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > REAL_NUMBER_TY_DIVIDE_HL< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::down< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::inv_call_iname< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > Hierarchy::find< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > NUMBER_TY_TO_REAL_NUMBER_TY_HL< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::down< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Kinds::FloatingPoint::end_flotation_emit< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::up< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "2-uk.html#SP19" class = "function-link" > < span class = "function-syntax" > Kinds::Behaviour::scale_factor< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) != < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::inv_call_iname< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > Hierarchy::find< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > NUMBER_TY_TO_REAL_NUMBER_TY_HL< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::down< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
2020-07-01 02:58:55 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::val< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > K_number< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > LITERAL_IVAL< / span > < span class = "plain-syntax" > , (< / span > < span class = "identifier-syntax" > inter_ti< / span > < span class = "plain-syntax" > ) < / span > < a href = "2-uk.html#SP19" class = "function-link" > < span class = "function-syntax" > Kinds::Behaviour::scale_factor< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ));< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::up< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::up< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Kinds::FloatingPoint::begin_deflotation_emit< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::inv_call_iname< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > Hierarchy::find< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > REAL_NUMBER_TY_TO_NUMBER_TY_HL< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::down< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "2-uk.html#SP19" class = "function-link" > < span class = "function-syntax" > Kinds::Behaviour::scale_factor< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) != < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::inv_call_iname< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > Hierarchy::find< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > REAL_NUMBER_TY_TIMES_HL< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::down< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Kinds::FloatingPoint::end_deflotation_emit< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "2-uk.html#SP19" class = "function-link" > < span class = "function-syntax" > Kinds::Behaviour::scale_factor< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) != < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::inv_call_iname< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > Hierarchy::find< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > REAL_NUMBER_TY_TO_NUMBER_TY_HL< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::down< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
2020-07-01 02:58:55 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::val< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > K_number< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > LITERAL_IVAL< / span > < span class = "plain-syntax" > , (< / span > < span class = "identifier-syntax" > inter_ti< / span > < span class = "plain-syntax" > ) < / span > < a href = "2-uk.html#SP19" class = "function-link" > < span class = "function-syntax" > Kinds::Behaviour::scale_factor< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ));< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::up< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::up< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::up< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > #< / span > < span class = "identifier-syntax" > endif< / span >
2020-08-12 15:05:44 +03:00
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Kinds::FloatingPoint::uses_floating_point< / span > < button class = "popup" onclick = "togglePopup('usagePopup1')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup1" > Usage of < span class = "code-font" > < span class = "function-syntax" > Kinds::FloatingPoint::uses_floating_point< / span > < / span > :< br / > < a href = "3-fv.html#SP2" > § 2< / a > < br / > The Lattice of Kinds - < a href = "2-tlok.html#SP7_2" > § 7.2< / a > < br / > Using Kinds - < a href = "2-uk.html#SP18" > § 18< / a > < br / > Dimensions - < a href = "3-dmn.html#SP39_2" > § 39.2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) {< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
2020-08-12 15:05:44 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "4-kc2.html#SP14" class = "function-link" > < span class = "function-syntax" > Kinds::Constructors::is_arithmetic_and_real< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > construct< / span > < span class = "plain-syntax" > );< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Kinds::FloatingPoint::real_equivalent< / span > < button class = "popup" onclick = "togglePopup('usagePopup2')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup2" > Usage of < span class = "code-font" > < span class = "function-syntax" > Kinds::FloatingPoint::real_equivalent< / span > < / span > :< br / > < a href = "3-fv.html#SP2" > § 2< / a > < br / > The Lattice of Kinds - < a href = "2-tlok.html#SP7_2" > § 7.2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "2-knd.html#SP24" class = "function-link" > < span class = "function-syntax" > Kinds::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_number< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > K_real_number< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Kinds::FloatingPoint::integer_equivalent< / span > < button class = "popup" onclick = "togglePopup('usagePopup3')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup3" > Usage of < span class = "code-font" > < span class = "function-syntax" > Kinds::FloatingPoint::integer_equivalent< / span > < / span > :< br / > < a href = "3-fv.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "2-knd.html#SP24" class = "function-link" > < span class = "function-syntax" > Kinds::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_real_number< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > K_number< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > K< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< nav role = "progress" > < div class = "progresscontainer" >
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< ul class = "progressbar" > < li class = "progressprev" > < a href = "3-dmn.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "P-wtmd.html" > P< / a > < / li > < li class = "progresschapter" > < a href = "1-km.html" > 1< / a > < / li > < li class = "progresschapter" > < a href = "2-knd.html" > 2< / a > < / li > < li class = "progresscurrentchapter" > 3< / li > < li class = "progresssection" > < a href = "3-dmn.html" > dmn< / a > < / li > < li class = "progresscurrent" > fv< / li > < li class = "progresssection" > < a href = "3-sav.html" > sav< / a > < / li > < li class = "progresschapter" > < a href = "4-kf.html" > 4< / a > < / li > < li class = "progressnext" > < a href = "3-sav.html" > ❯ < / a > < / li > < / ul > < / div >
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< / nav > <!-- End of weave -->
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< / main >
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< / body >
< / html >