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pdclib:floatingpoint
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| Both sides previous revision Previous revision Next revision | Previous revision | ||
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pdclib:floatingpoint [2019/10/17 16:32] solar |
pdclib:floatingpoint [2019/10/21 10:13] (current) solar [Floating-Point Printout] |
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| * multiply <m>M = 0.015625</ | * multiply <m>M = 0.015625</ | ||
| * Fractional part < | * Fractional part < | ||
| - | * Second (<m>k = 2</m> loop | + | * Second (<m>k = 2</m>) loop |
| - | * multiply <m>R = 0.835</ | + | * multiply <m>R = 0.835</ |
| - | * multiply <m>M = 0.15625< | + | * multiply <m>M = 0.15625</m> by <m>B = 10</ |
| * Fractional part < | * Fractional part < | ||
| * Post-loop | * Post-loop | ||
| Line 215: | Line 215: | ||
| * We have <m>N = k = 2</m> fractional digits in our result of < | * We have <m>N = k = 2</m> fractional digits in our result of < | ||
| - | ==== Floating-Point Printout | + | ==== Floating-Point Printout ==== |
| Given: | Given: | ||
| - | * A base //b// floating-point number <m>v = f * b ^ ( e - p )</m> | + | * A base //b// floating-point number <m>v = f * b ^ (e - p)</m>, where //e//, //f//, and //p// are integers with <m>p >= 0</m> and <m>0 <= f < b ^ p</ |
| + | |||
| + | Output: | ||
| + | |||
| + | * An approximate representation to base //B//, using exponential notation if the value is very large or very small. | ||
| + | |||
| + | Algorithm (Dragon2): | ||
| + | |||
| + | * Compute <m>v prime = v * B ^ {-x}</ | ||
| + | * Print the integer part of <m>v prime</ | ||
| + | * Print a decimal point | ||
| + | * Take the fractional part of <m>v prime</ | ||
| + | * Apply algorithm < | ||
| + | * If < | ||
pdclib/floatingpoint.1571322753.txt.gz · Last modified: 2019/10/17 16:32 by solar
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