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creation d02 ex02

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hugogogo
2022-02-14 21:06:36 +01:00
parent 9036ded700
commit b08663e74e
9 changed files with 310 additions and 81 deletions
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d02/README.md
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@@ -58,7 +58,7 @@ DECIMALE VS BINARY
---------------------------------------------------------
NEGATIVS INTEGERS
---------------------------------------------------------
```
5 0101 0 0000 0 0000 0000 0000 0000 0000 0000 0000 0000
1010 + 1 1 0001 1 0000 0000 0000 0000 0000 0000 0000 0001
-5 1011 2 0010 2 0000 0000 0000 0000 0000 0000 0000 0010
@@ -79,13 +79,14 @@ NEGATIVS INTEGERS
13 1101 -3 1111 1111 1111 1111 1111 1111 1111 1101
14 1110 -2 1111 1111 1111 1111 1111 1111 1111 1110
15 1111 -1 1111 1111 1111 1111 1111 1111 1111 1111
```
---------------------------------------------------------
FLOATS
---------------------------------------------------------
https://stackoverflow.com/questions/7644699/how-are-floating-point-numbers-stored-in-memory
```
1.....................23
8......1
seeeeeeeemmmmmmmmmmmmmmmmmmmmmmm meaning
@@ -93,20 +94,21 @@ https://stackoverflow.com/questions/7644699/how-are-floating-point-numbers-store
signe
exponent
mantis
```
1.175494351 * 10^-38 < ... > 3.40282347 * 10^+38
2x10^-1 = 0.2x10^0 = 0.02x10^1 = 0.2
x 00000000 xxxxxxxx xxxxxxxx xxxxxxx special meanings (see bellow)
x 11111111 xxxxxxxx xxxxxxxx xxxxxxx //
x 00000001 xxxxxxxx xxxxxxxx xxxxxxx smallest exponent (-126)
x 01111111 xxxxxxxx xxxxxxxx xxxxxxx 0 is middle exponent (254 / 2 = 127)
x 11111110 xxxxxxxx xxxxxxxx xxxxxxx biggest exponent (+127)
- x 00000000 xxxxxxxx xxxxxxxx xxxxxxx special meanings (see bellow)
- x 11111111 xxxxxxxx xxxxxxxx xxxxxxx //
- x 00000001 xxxxxxxx xxxxxxxx xxxxxxx smallest exponent (-126)
- x 01111111 xxxxxxxx xxxxxxxx xxxxxxx 0 is middle exponent (254 / 2 = 127)
- x 11111110 xxxxxxxx xxxxxxxx xxxxxxx biggest exponent (+127)
x 00000000 00000000 00000000 0000000 0 (x can still be + or -)
x 11111111 00000000 00000000 0000000 +/- infinity
x 11111111 xxxxxxxx xxxxxxxx xxxxxx1 NaN (at least one non-zero mantissa digit)
x 00000000 xxxxxxxx xxxxxxxx xxxxxx1 denormalized numbers (same for mantissa)
- x 00000000 00000000 00000000 0000000 0 (x can still be + or -)
- x 11111111 00000000 00000000 0000000 +/- infinity
- x 11111111 xxxxxxxx xxxxxxxx xxxxxx1 NaN (at least one non-zero mantissa digit)
- x 00000000 xxxxxxxx xxxxxxxx xxxxxx1 denormalized numbers (same for mantissa)
---------------------------------------------------------
CONVERSIONS