| 1 |
<?xml version="1.0"?>
|
| 2 |
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
|
| 3 |
<!--
|
| 4 |
==========================================================================
|
| 5 |
Stylesheet: numberutils_lib.xsl
|
| 6 |
========================================================================== -->
|
| 7 |
|
| 8 |
<!-- ========================================================= -->
|
| 9 |
<!-- Function: Bin2Dec(<value>) => Decimal value -->
|
| 10 |
<!-- Parameters:- -->
|
| 11 |
<!-- <value> - the binary string to be converted to decimal -->
|
| 12 |
<xsl:template name="Bin2Dec">
|
| 13 |
<xsl:param name="value" select="'0'"/>
|
| 14 |
<!-- the following paremeters are used only during recursion -->
|
| 15 |
<xsl:param name="bin-power" select="number(1)"/>
|
| 16 |
<xsl:param name="accum" select="number(0)"/>
|
| 17 |
<!-- isolate last binary digit -->
|
| 18 |
<xsl:variable name="bin-digit" select="substring($value,string-length($value),1)"/>
|
| 19 |
<!-- check that binary digit is valid -->
|
| 20 |
<xsl:choose>
|
| 21 |
<xsl:when test="not(contains('01',$bin-digit))">
|
| 22 |
<!-- not a binary digit! -->
|
| 23 |
<xsl:text>NaN</xsl:text>
|
| 24 |
</xsl:when>
|
| 25 |
<xsl:when test="string-length($bin-digit) = 0">
|
| 26 |
<!-- unexpected end of hex string -->
|
| 27 |
<xsl:text>0</xsl:text>
|
| 28 |
</xsl:when>
|
| 29 |
<xsl:otherwise>
|
| 30 |
<!-- OK so far -->
|
| 31 |
<xsl:variable name="remainder" select="substring($value,1,string-length($value)-1)"/>
|
| 32 |
<xsl:variable name="this-digit-value" select="number($bin-digit) * $bin-power"/>
|
| 33 |
<!-- determine whether this is the end of the hex string -->
|
| 34 |
<xsl:choose>
|
| 35 |
<xsl:when test="string-length($remainder) = 0">
|
| 36 |
<!-- end - output final result -->
|
| 37 |
<xsl:value-of select="$accum + $this-digit-value"/>
|
| 38 |
</xsl:when>
|
| 39 |
<xsl:otherwise>
|
| 40 |
<!-- recurse to self for next digit -->
|
| 41 |
<xsl:call-template name="Bin2Dec">
|
| 42 |
<xsl:with-param name="value" select="$remainder"/>
|
| 43 |
<xsl:with-param name="bin-power" select="$bin-power * 2"/>
|
| 44 |
<xsl:with-param name="accum" select="$accum + $this-digit-value"/>
|
| 45 |
</xsl:call-template>
|
| 46 |
</xsl:otherwise>
|
| 47 |
</xsl:choose>
|
| 48 |
</xsl:otherwise>
|
| 49 |
</xsl:choose>
|
| 50 |
</xsl:template>
|
| 51 |
|
| 52 |
<!-- ======================================================== -->
|
| 53 |
<!-- Function: Hex2Dec(<value>) => Decimal value -->
|
| 54 |
<!-- Parameters:- -->
|
| 55 |
<!-- <value> - the hex string to be converted to decimal -->
|
| 56 |
<!-- (case of hex string is unimportant) -->
|
| 57 |
<xsl:template name="Hex2Dec">
|
| 58 |
<xsl:param name="value" select="'0'"/>
|
| 59 |
<!-- the following paremeters are used only during recursion -->
|
| 60 |
<xsl:param name="hex-power" select="number(1)"/>
|
| 61 |
<xsl:param name="accum" select="number(0)"/>
|
| 62 |
<!-- isolate last hex digit (and convert it to upper case) -->
|
| 63 |
<xsl:variable name="hex-digit" select="translate(substring($value,string-length($value),1),'abcdef','ABCDEF')"/>
|
| 64 |
<!-- check that hex digit is valid -->
|
| 65 |
<xsl:choose>
|
| 66 |
<xsl:when test="not(contains('0123456789ABCDEF',$hex-digit))">
|
| 67 |
<!-- not a hex digit! -->
|
| 68 |
<xsl:text>NaN</xsl:text>
|
| 69 |
</xsl:when>
|
| 70 |
<xsl:when test="string-length($hex-digit) = 0">
|
| 71 |
<!-- unexpected end of hex string -->
|
| 72 |
<xsl:text>0</xsl:text>
|
| 73 |
</xsl:when>
|
| 74 |
<xsl:otherwise>
|
| 75 |
<!-- OK so far -->
|
| 76 |
<xsl:variable name="remainder" select="substring($value,1,string-length($value)-1)"/>
|
| 77 |
<xsl:variable name="this-digit-value" select="string-length(substring-before('0123456789ABCDEF',$hex-digit)) * $hex-power"/>
|
| 78 |
<!-- determine whether this is the end of the hex string -->
|
| 79 |
<xsl:choose>
|
| 80 |
<xsl:when test="string-length($remainder) = 0">
|
| 81 |
<!-- end - output final result -->
|
| 82 |
<xsl:value-of select="$accum + $this-digit-value"/>
|
| 83 |
</xsl:when>
|
| 84 |
<xsl:otherwise>
|
| 85 |
<!-- recurse to self for next digit -->
|
| 86 |
<xsl:call-template name="Hex2Dec">
|
| 87 |
<xsl:with-param name="value" select="$remainder"/>
|
| 88 |
<xsl:with-param name="hex-power" select="$hex-power * 16"/>
|
| 89 |
<xsl:with-param name="accum" select="$accum + $this-digit-value"/>
|
| 90 |
</xsl:call-template>
|
| 91 |
</xsl:otherwise>
|
| 92 |
</xsl:choose>
|
| 93 |
</xsl:otherwise>
|
| 94 |
</xsl:choose>
|
| 95 |
</xsl:template>
|
| 96 |
|
| 97 |
<!-- ===================================================== -->
|
| 98 |
<!-- Function: Dec2Hex(<value>[,<digits>]) => Hex string -->
|
| 99 |
<!-- Parameters:- -->
|
| 100 |
<!-- <value> - the decimal value to be converted to hex -->
|
| 101 |
<!-- (must be a positive) -->
|
| 102 |
<!-- <digits> - the number of hex digits required -->
|
| 103 |
<!-- If this parameter is omitted then the -->
|
| 104 |
<!-- hex string returned is as long as reqd. -->
|
| 105 |
<!-- If the number of digits required exceeds -->
|
| 106 |
<!-- the value specified by this parameter -->
|
| 107 |
<!-- then the hex string is as long as reqd. -->
|
| 108 |
<xsl:template name="Dec2Hex">
|
| 109 |
<xsl:param name="value" select="number(0)"/>
|
| 110 |
<xsl:param name="digits" select="number(-1)"/>
|
| 111 |
<!-- the following paremeters are used only during recursion -->
|
| 112 |
<xsl:param name="hex" select="number(268435456)"/>
|
| 113 |
<xsl:param name="hex-power" select="number(28)"/>
|
| 114 |
<xsl:param name="nonzero-encounters" select="false()"/>
|
| 115 |
<!-- calculate the left over value to be passed to next recursion -->
|
| 116 |
<xsl:variable name="remainder" select="floor($value) mod $hex"/>
|
| 117 |
<!-- calculate the value of this nybble (this hex digit) -->
|
| 118 |
<xsl:variable name="this-nybble" select="(floor($value) - $remainder) div ($hex)"/>
|
| 119 |
<!-- determine whether a non-zero digit has been encountered yet -->
|
| 120 |
<xsl:variable name="nonzero-encountered" select="boolean($nonzero-encounters or ($this-nybble > 0))"/>
|
| 121 |
<!-- only output hex digit if:- -->
|
| 122 |
<!-- non-zero has already been encountered OR -->
|
| 123 |
<!-- on the last digit OR -->
|
| 124 |
<!-- the number of required digits says so -->
|
| 125 |
<xsl:if test="$nonzero-encountered or ($hex-power = 0) or ((($hex-power div 4) + 1) <= $digits)">
|
| 126 |
<xsl:value-of select="substring('0123456789ABCDEF',($this-nybble)+1,1)"/>
|
| 127 |
</xsl:if>
|
| 128 |
<!-- recursive call until all digits have been dealt with -->
|
| 129 |
<xsl:if test="$hex-power > 0">
|
| 130 |
<xsl:call-template name="Dec2Hex">
|
| 131 |
<xsl:with-param name="value" select="$remainder"/>
|
| 132 |
<xsl:with-param name="hex" select="$hex div 16"/>
|
| 133 |
<xsl:with-param name="hex-power" select="$hex-power - 4"/>
|
| 134 |
<xsl:with-param name="digits" select="$digits"/>
|
| 135 |
<xsl:with-param name="nonzero-encounters" select="$nonzero-encountered"/>
|
| 136 |
</xsl:call-template>
|
| 137 |
</xsl:if>
|
| 138 |
</xsl:template>
|
| 139 |
|
| 140 |
<!-- ======================================================== -->
|
| 141 |
<!-- Function: Dec2Bin(<value>) => Binary string -->
|
| 142 |
<!-- Parameters:- -->
|
| 143 |
<!-- <value> - the decimal value to be converted to binary -->
|
| 144 |
<!-- (must be a positive) -->
|
| 145 |
<xsl:template name="Dec2Bin">
|
| 146 |
<xsl:param name="value" select="number(0)"/>
|
| 147 |
<!-- the following paremeters are used only during recursion -->
|
| 148 |
<xsl:param name="bin" select="number(2147483648)"/>
|
| 149 |
<xsl:param name="bin-power" select="number(31)"/>
|
| 150 |
<xsl:param name="one-encounters" select="false()"/>
|
| 151 |
<!-- calculate the left over value to be passed to next recursion -->
|
| 152 |
<xsl:variable name="remainder" select="$value mod $bin"/>
|
| 153 |
<!-- calculate the value of this bit (this binary digit) -->
|
| 154 |
<xsl:variable name="this-bit" select="$value - $remainder"/>
|
| 155 |
<!-- determine whether a non-zero digit has been encountered yet -->
|
| 156 |
<xsl:variable name="one-encountered" select="boolean($one-encounters or ($this-bit > 0))"/>
|
| 157 |
<!-- only output digit if: -->
|
| 158 |
<!-- non-zero has already been encountered OR -->
|
| 159 |
<!-- on the last digit -->
|
| 160 |
<xsl:if test="$one-encountered or ($bin-power = 0)">
|
| 161 |
<xsl:value-of select="substring('01',($this-bit div $bin)+1,1)"/>
|
| 162 |
</xsl:if>
|
| 163 |
<!-- recursive call until all digits have been dealt with -->
|
| 164 |
<xsl:if test="$bin-power > 0">
|
| 165 |
<xsl:call-template name="Dec2Bin">
|
| 166 |
<xsl:with-param name="value" select="$remainder"/>
|
| 167 |
<xsl:with-param name="bin" select="$bin div 2"/>
|
| 168 |
<xsl:with-param name="bin-power" select="$bin-power - 1"/>
|
| 169 |
<xsl:with-param name="one-encounters" select="$one-encountered"/>
|
| 170 |
</xsl:call-template>
|
| 171 |
</xsl:if>
|
| 172 |
</xsl:template>
|
| 173 |
|
| 174 |
<!-- ======================================================== -->
|
| 175 |
<!-- Function: BinAND(<bin1>,<bin2>) => Binary string -->
|
| 176 |
<!-- Parameters:- -->
|
| 177 |
<!-- <bin1> - the first binary string number to be ANDed -->
|
| 178 |
<!-- <bin2> - the second binary string number to be ANDed -->
|
| 179 |
<xsl:template name="BinAND">
|
| 180 |
<xsl:param name="bin1" select="'0'"/>
|
| 181 |
<xsl:param name="bin2" select="'0'"/>
|
| 182 |
<!-- param used for recursion iteration -->
|
| 183 |
<xsl:param name="i" select="number(1)"/>
|
| 184 |
<xsl:variable name="max-len">
|
| 185 |
<xsl:choose>
|
| 186 |
<xsl:when test="string-length($bin1) > string-length($bin2)"><xsl:value-of select="string-length($bin1)"/></xsl:when>
|
| 187 |
<xsl:otherwise><xsl:value-of select="string-length($bin2)"/></xsl:otherwise>
|
| 188 |
</xsl:choose>
|
| 189 |
</xsl:variable>
|
| 190 |
<xsl:variable name="sbin1" select="substring(concat(substring('00000000000000000000000000000000',1,$max-len - string-length($bin1)),$bin1),$i,1)"/>
|
| 191 |
<xsl:variable name="sbin2" select="substring(concat(substring('00000000000000000000000000000000',1,$max-len - string-length($bin2)),$bin2),$i,1)"/>
|
| 192 |
<xsl:choose>
|
| 193 |
<xsl:when test="$sbin1 = '1' and $sbin2 = '1'"><xsl:text>1</xsl:text></xsl:when>
|
| 194 |
<xsl:otherwise><xsl:text>0</xsl:text></xsl:otherwise>
|
| 195 |
</xsl:choose>
|
| 196 |
<xsl:if test="$i < $max-len">
|
| 197 |
<xsl:call-template name="BinAND">
|
| 198 |
<xsl:with-param name="bin1" select="$bin1"/>
|
| 199 |
<xsl:with-param name="bin2" select="$bin2"/>
|
| 200 |
<xsl:with-param name="i" select="$i + 1"/>
|
| 201 |
</xsl:call-template>
|
| 202 |
</xsl:if>
|
| 203 |
</xsl:template>
|
| 204 |
|
| 205 |
<!-- ======================================================== -->
|
| 206 |
<!-- Function: BinOR(<bin1>,<bin2>) => Binary string -->
|
| 207 |
<!-- Parameters:- -->
|
| 208 |
<!-- <bin1> - the first binary string number to be ORed -->
|
| 209 |
<!-- <bin2> - the second binary string number to be ORed -->
|
| 210 |
<xsl:template name="BinOR">
|
| 211 |
<xsl:param name="bin1" select="'0'"/>
|
| 212 |
<xsl:param name="bin2" select="'0'"/>
|
| 213 |
<!-- param used for recursion iteration -->
|
| 214 |
<xsl:param name="i" select="number(1)"/>
|
| 215 |
<xsl:variable name="max-len">
|
| 216 |
<xsl:choose>
|
| 217 |
<xsl:when test="string-length($bin1) > string-length($bin2)"><xsl:value-of select="string-length($bin1)"/></xsl:when>
|
| 218 |
<xsl:otherwise><xsl:value-of select="string-length($bin2)"/></xsl:otherwise>
|
| 219 |
</xsl:choose>
|
| 220 |
</xsl:variable>
|
| 221 |
<xsl:variable name="sbin1" select="substring(concat(substring('00000000000000000000000000000000',1,$max-len - string-length($bin1)),$bin1),$i,1)"/>
|
| 222 |
<xsl:variable name="sbin2" select="substring(concat(substring('00000000000000000000000000000000',1,$max-len - string-length($bin2)),$bin2),$i,1)"/>
|
| 223 |
<xsl:choose>
|
| 224 |
<xsl:when test="$sbin1 = '1' or $sbin2 = '1'"><xsl:text>1</xsl:text></xsl:when>
|
| 225 |
<xsl:otherwise><xsl:text>0</xsl:text></xsl:otherwise>
|
| 226 |
</xsl:choose>
|
| 227 |
<xsl:if test="$i < $max-len">
|
| 228 |
<xsl:call-template name="BinOR">
|
| 229 |
<xsl:with-param name="bin1" select="$bin1"/>
|
| 230 |
<xsl:with-param name="bin2" select="$bin2"/>
|
| 231 |
<xsl:with-param name="i" select="$i + 1"/>
|
| 232 |
</xsl:call-template>
|
| 233 |
</xsl:if>
|
| 234 |
</xsl:template>
|
| 235 |
|
| 236 |
<!-- ======================================================== -->
|
| 237 |
<!-- Function: BinXOR(<bin1>,<bin2>) => Binary string -->
|
| 238 |
<!-- Parameters:- -->
|
| 239 |
<!-- <bin1> - the first binary string number to be XORed -->
|
| 240 |
<!-- <bin2> - the second binary string number to be XORed -->
|
| 241 |
<xsl:template name="BinXOR">
|
| 242 |
<xsl:param name="bin1" select="'0'"/>
|
| 243 |
<xsl:param name="bin2" select="'0'"/>
|
| 244 |
<!-- param used for recursion iteration -->
|
| 245 |
<xsl:param name="i" select="number(1)"/>
|
| 246 |
<xsl:variable name="max-len">
|
| 247 |
<xsl:choose>
|
| 248 |
<xsl:when test="string-length($bin1) > string-length($bin2)"><xsl:value-of select="string-length($bin1)"/></xsl:when>
|
| 249 |
<xsl:otherwise><xsl:value-of select="string-length($bin2)"/></xsl:otherwise>
|
| 250 |
</xsl:choose>
|
| 251 |
</xsl:variable>
|
| 252 |
<xsl:variable name="sbin1" select="substring(concat(substring('00000000000000000000000000000000',1,$max-len - string-length($bin1)),$bin1),$i,1)"/>
|
| 253 |
<xsl:variable name="sbin2" select="substring(concat(substring('00000000000000000000000000000000',1,$max-len - string-length($bin2)),$bin2),$i,1)"/>
|
| 254 |
<xsl:choose>
|
| 255 |
<xsl:when test="$sbin1 = '1' and $sbin2 = '1'"><xsl:text>0</xsl:text></xsl:when>
|
| 256 |
<xsl:when test="$sbin1 = '1' or $sbin2 = '1'"><xsl:text>1</xsl:text></xsl:when>
|
| 257 |
<xsl:otherwise><xsl:text>0</xsl:text></xsl:otherwise>
|
| 258 |
</xsl:choose>
|
| 259 |
<xsl:if test="$i < $max-len">
|
| 260 |
<xsl:call-template name="BinXOR">
|
| 261 |
<xsl:with-param name="bin1" select="$bin1"/>
|
| 262 |
<xsl:with-param name="bin2" select="$bin2"/>
|
| 263 |
<xsl:with-param name="i" select="$i + 1"/>
|
| 264 |
</xsl:call-template>
|
| 265 |
</xsl:if>
|
| 266 |
</xsl:template>
|
| 267 |
|
| 268 |
<!-- ======================================================== -->
|
| 269 |
<!-- Function: BinNOT(<bin>) => Binary string -->
|
| 270 |
<!-- Parameters:- -->
|
| 271 |
<!-- <bin> - the binary string number to be NOTed -->
|
| 272 |
<xsl:template name="BinNOT">
|
| 273 |
<xsl:param name="bin" select="'0'"/>
|
| 274 |
<xsl:param name="max-bits" select="number(32)"/>
|
| 275 |
<xsl:variable name="not1" select="translate($bin,'01','10')"/>
|
| 276 |
<xsl:value-of select="concat(substring('11111111111111111111111111111111',1,$max-bits - string-length($not1)),$not1)"/>
|
| 277 |
</xsl:template>
|
| 278 |
|
| 279 |
<!-- ======================================================== -->
|
| 280 |
<!-- Function: BooleanOR(<value1>,<value2>) => number -->
|
| 281 |
<!-- Parameters:- -->
|
| 282 |
<!-- <value1> - the first number to be ORed -->
|
| 283 |
<!-- <value2> - the second number to be ORed -->
|
| 284 |
<!-- NB. Only works with positive numbers! -->
|
| 285 |
<xsl:template name="BooleanOR">
|
| 286 |
<xsl:param name="value1" select="number(0)"/>
|
| 287 |
<xsl:param name="value2" select="number(0)"/>
|
| 288 |
<!-- recurse parameters -->
|
| 289 |
<xsl:param name="bitval" select="number(2147483648)"/>
|
| 290 |
<xsl:param name="accum" select="number(0)"/>
|
| 291 |
<!-- calc bits present on values -->
|
| 292 |
<xsl:variable name="bit1" select="floor($value1 div $bitval)"/>
|
| 293 |
<xsl:variable name="bit2" select="floor($value2 div $bitval)"/>
|
| 294 |
<!-- do the OR on the bits -->
|
| 295 |
<xsl:variable name="thisbit">
|
| 296 |
<xsl:choose>
|
| 297 |
<xsl:when test="($bit1 != 0) or ($bit2 != 0)"><xsl:value-of select="$bitval"/></xsl:when>
|
| 298 |
<xsl:otherwise>0</xsl:otherwise>
|
| 299 |
</xsl:choose>
|
| 300 |
</xsl:variable>
|
| 301 |
<!-- if last recurse then output the value -->
|
| 302 |
<xsl:choose>
|
| 303 |
<xsl:when test="$bitval = 1"><xsl:value-of select="$accum + $thisbit"/></xsl:when>
|
| 304 |
<xsl:otherwise>
|
| 305 |
<!-- recurse required -->
|
| 306 |
<xsl:call-template name="BooleanOR">
|
| 307 |
<xsl:with-param name="value1" select="$value1 mod $bitval"/>
|
| 308 |
<xsl:with-param name="value2" select="$value2 mod $bitval"/>
|
| 309 |
<xsl:with-param name="bitval" select="$bitval div 2"/>
|
| 310 |
<xsl:with-param name="accum" select="$accum + $thisbit"/>
|
| 311 |
</xsl:call-template>
|
| 312 |
</xsl:otherwise>
|
| 313 |
</xsl:choose>
|
| 314 |
</xsl:template>
|
| 315 |
|
| 316 |
<!-- ======================================================== -->
|
| 317 |
<!-- Function: BooleanAND(<value1>,<value2>) => number -->
|
| 318 |
<!-- Parameters:- -->
|
| 319 |
<!-- <value1> - the first number to be ANDed -->
|
| 320 |
<!-- <value2> - the second number to be ANDed -->
|
| 321 |
<!-- NB. Only works with positive numbers! -->
|
| 322 |
<xsl:template name="BooleanAND">
|
| 323 |
<xsl:param name="value1" select="number(0)"/>
|
| 324 |
<xsl:param name="value2" select="number(0)"/>
|
| 325 |
<!-- recurse parameters -->
|
| 326 |
<xsl:param name="bitval" select="number(2147483648)"/>
|
| 327 |
<xsl:param name="accum" select="number(0)"/>
|
| 328 |
<!-- calc bits present on values -->
|
| 329 |
<xsl:variable name="bit1" select="floor($value1 div $bitval)"/>
|
| 330 |
<xsl:variable name="bit2" select="floor($value2 div $bitval)"/>
|
| 331 |
<!-- do the OR on the bits -->
|
| 332 |
<xsl:variable name="thisbit">
|
| 333 |
<xsl:choose>
|
| 334 |
<xsl:when test="($bit1 != 0) and ($bit2 != 0)"><xsl:value-of select="$bitval"/></xsl:when>
|
| 335 |
<xsl:otherwise>0</xsl:otherwise>
|
| 336 |
</xsl:choose>
|
| 337 |
</xsl:variable>
|
| 338 |
<!-- if last recurse then output the value -->
|
| 339 |
<xsl:choose>
|
| 340 |
<xsl:when test="$bitval = 1"><xsl:value-of select="$accum + $thisbit"/></xsl:when>
|
| 341 |
<xsl:otherwise>
|
| 342 |
<!-- recurse required -->
|
| 343 |
<xsl:call-template name="BooleanAND">
|
| 344 |
<xsl:with-param name="value1" select="$value1 mod $bitval"/>
|
| 345 |
<xsl:with-param name="value2" select="$value2 mod $bitval"/>
|
| 346 |
<xsl:with-param name="bitval" select="$bitval div 2"/>
|
| 347 |
<xsl:with-param name="accum" select="$accum + $thisbit"/>
|
| 348 |
</xsl:call-template>
|
| 349 |
</xsl:otherwise>
|
| 350 |
</xsl:choose>
|
| 351 |
</xsl:template>
|
| 352 |
|
| 353 |
<!-- ======================================================== -->
|
| 354 |
<!-- Function: BooleanXOR(<value1>,<value2>) => number -->
|
| 355 |
<!-- Parameters:- -->
|
| 356 |
<!-- <value1> - the first number to be XORed -->
|
| 357 |
<!-- <value2> - the second number to be XORed -->
|
| 358 |
<!-- NB. Only works with positive numbers! -->
|
| 359 |
<xsl:template name="BooleanXOR">
|
| 360 |
<xsl:param name="value1" select="number(0)"/>
|
| 361 |
<xsl:param name="value2" select="number(0)"/>
|
| 362 |
<!-- recurse parameters -->
|
| 363 |
<xsl:param name="bitval" select="number(2147483648)"/>
|
| 364 |
<xsl:param name="accum" select="number(0)"/>
|
| 365 |
<!-- calc bits present on values -->
|
| 366 |
<xsl:variable name="bit1" select="floor($value1 div $bitval)"/>
|
| 367 |
<xsl:variable name="bit2" select="floor($value2 div $bitval)"/>
|
| 368 |
<!-- do the XOR on the bits -->
|
| 369 |
<xsl:variable name="thisbit">
|
| 370 |
<xsl:choose>
|
| 371 |
<xsl:when test="(($bit1 != 0) and ($bit2 = 0)) or (($bit1 = 0) and ($bit2 != 0))"><xsl:value-of select="$bitval"/></xsl:when>
|
| 372 |
<xsl:otherwise>0</xsl:otherwise>
|
| 373 |
</xsl:choose>
|
| 374 |
</xsl:variable>
|
| 375 |
<!-- if last recurse then output the value -->
|
| 376 |
<xsl:choose>
|
| 377 |
<xsl:when test="$bitval = 1"><xsl:value-of select="$accum + $thisbit"/></xsl:when>
|
| 378 |
<xsl:otherwise>
|
| 379 |
<!-- recurse required -->
|
| 380 |
<xsl:call-template name="BooleanXOR">
|
| 381 |
<xsl:with-param name="value1" select="$value1 mod $bitval"/>
|
| 382 |
<xsl:with-param name="value2" select="$value2 mod $bitval"/>
|
| 383 |
<xsl:with-param name="bitval" select="$bitval div 2"/>
|
| 384 |
<xsl:with-param name="accum" select="$accum + $thisbit"/>
|
| 385 |
</xsl:call-template>
|
| 386 |
</xsl:otherwise>
|
| 387 |
</xsl:choose>
|
| 388 |
</xsl:template>
|
| 389 |
|
| 390 |
</xsl:stylesheet> |
Parent Directory
| 
Revision Log