BinaryToFloat (String function): Difference between revisions

From m204wiki
Jump to navigation Jump to search
m (re-match syntax diagram to revised template; fix tags. Still some link targets that need to be found / written.)
m (printtext and friends)
Line 14: Line 14:


==Usage notes==
==Usage notes==
<ul><li><var>BinaryToFloat</var> is available as of <var class="product">Sirius Mods</var> version 7.5.</ul>
<ul><li><var>BinaryToFloat</var> is available as of <var class="product">[[Sirius Mods|"Sirius Mods"]]</var> version 7.5.</ul>


==Examples==
==Examples==
<ol><li>The following program demonstrates the <var>BinaryToFloat</var> method, converting a series of different-length representations of the same float value. The example also uses:<ul>
<ol><li>The following program demonstrates the <var>BinaryToFloat</var> method, converting a series of different-length representations of the same float value.
<li>the <var>[[Right (String function)|Right]]</var> method.
<li>the <var>[[Substring (String function)|Substring]]</var> method.
<li>the <var>[[PrintText statement|PrintText]]</var> statement.</ul>
<p class="code">begin
<p class="code">begin
   image silly
   image silly
Line 32: Line 29:


   for %i from -3.3 to 3.3 by 1.1
   for %i from -3.3 to 3.3 by 1.1
       printText {%i:right(15)}:
       [[PrintText statement|printText]] {%i:[[Right (String function)|right]](15)}:
       %silly:a = %i; %silly:b = %i; %silly:c = %i;
       %silly:a = %i; %silly:b = %i; %silly:c = %i;
       %s = $lstr_get_image('SILLY')
       %s = [[$Lstr Get Image and $Lstr Set Image|$lstr_get_image]]('SILLY')
       printText {~} = {%s:stringToHex}
       printText {~} = {%s:[[StringToHex (String_function)|stringToHex]]}
       printText {~} = {%s:substring(1, 4):binaryToFloat}
       printText {~} = {%s:[[Substring (String function)|subString]](1, 4):binaryToFloat}
       printText {~} = {%s:substring(5, 8):binaryToFloat}
       printText {~} = {%s:substring(5, 8):binaryToFloat}
       printText {~} = {%s:substring(13, 16):binaryToFloat}
       printText {~} = {%s:substring(13, 16):binaryToFloat}

Revision as of 11:24, 22 February 2011

Convert binary string representation of a number to floating point (String class)


BinaryToFloat is an intrinsic function converts a binary string representation of a floating point number to that number.

Syntax

%number = string:BinaryToFloat

Syntax terms

%number A numeric variable to receive the float value of the method object string.
string A binary string value that can have a length of 4, 8, or 16 bytes.

Usage notes

Examples

  1. The following program demonstrates the BinaryToFloat method, converting a series of different-length representations of the same float value.

    begin image silly a is float len 4 b is float len 8 c is float len 16 end image prepare image silly %i is float %s is string len 30 for %i from -3.3 to 3.3 by 1.1 printText {%i:right(15)}: %silly:a = %i; %silly:b = %i; %silly:c = %i; %s = $lstr_get_image('SILLY') printText {~} = {%s:stringToHex} printText {~} = {%s:subString(1, 4):binaryToFloat} printText {~} = {%s:substring(5, 8):binaryToFloat} printText {~} = {%s:substring(13, 16):binaryToFloat} end for end

    The result is:

    -3.3: %s:stringToHex = C134CCCDC134CCCCCCCCCCCCC134CCCCCCCCCCCC0000000000000000 %s:substring(1, 4):binaryToFloat = -3.30000019073486 %s:substring(5, 8):binaryToFloat = -3.3 %s:substring(13, 16):binaryToFloat = -3.3 -2.2: %s:stringToHex = C1233333C123333333333333C1233333333333330000000000000000 %s:substring(1, 4):binaryToFloat = -2.19999980926514 %s:substring(5, 8):binaryToFloat = -2.2 %s:substring(13, 16):binaryToFloat = -2.2 -1.1: %s:stringToHex = C111999AC111999999999999C1119999999999990000000000000000 %s:substring(1, 4):binaryToFloat = -1.10000038146973 %s:substring(5, 8):binaryToFloat = -1.1 %s:substring(13, 16):binaryToFloat = -1.1 0: %s:stringToHex = 00000000000000000000000000000000000000000000000000000000 %s:substring(1, 4):binaryToFloat = 0 %s:substring(5, 8):binaryToFloat = 0 %s:substring(13, 16):binaryToFloat = 0 1.1: %s:stringToHex = 4111999A411199999999999941119999999999990000000000000000 %s:substring(1, 4):binaryToFloat = 1.10000038146973 %s:substring(5, 8):binaryToFloat = 1.1 %s:substring(13, 16):binaryToFloat = 1.1 2.2: %s:stringToHex = 41233333412333333333333341233333333333330000000000000000 %s:substring(1, 4):binaryToFloat = 2.19999980926514 %s:substring(5, 8):binaryToFloat = 2.2 %s:substring(13, 16):binaryToFloat = 2.2 3.3: %s:stringToHex = 4134CCCD4134CCCCCCCCCCCC4134CCCCCCCCCCCC0000000000000000 %s:substring(1, 4):binaryToFloat = 3.30000019073486 %s:substring(5, 8):binaryToFloat = 3.3 %s:substring(13, 16):binaryToFloat = 3.3

See also