diff options
author | Pixel <> | 2001-04-17 03:58:16 +0000 |
---|---|---|
committer | Pixel <> | 2001-04-17 03:58:16 +0000 |
commit | a19da7ded119713b955816f1de69d71eef191ab0 (patch) | |
tree | ab5d3c8f41dda31834bb98f513d36f9d9e8166e1 /lib/alu.c | |
parent | 2a4ea1660a5a4ef6168940176f2f81fa1be93632 (diff) |
Indentation
Diffstat (limited to 'lib/alu.c')
-rw-r--r-- | lib/alu.c | 91 |
1 files changed, 40 insertions, 51 deletions
@@ -15,34 +15,36 @@ Uint32 SecondResult = 0; /* ALU rapide */ -Uint32 RNot(Uint32 a) { +Uint32 RNot(Uint32 a) +{ return (~a) + 1; } Uint32 RAdditionNonSigne(Uint32 a, Uint32 b) { unsigned long long tr = a, masq = 1; + tr += b; - + masq <<= 32; if (masq & tr) { SetOverflow(); } else { ResetOverflow(); } - + if (tr) { ResetZero(); } else { SetZero(); } - + if (tr & 1) { SetParity(); } else { ResetParity(); } - + ResetSign(); return tr; } @@ -50,6 +52,7 @@ Uint32 RAdditionNonSigne(Uint32 a, Uint32 b) Uint32 RAdditionSigne(long int a, long int b) { long int tr = a; + tr += b; if (((a & 0x80000000) && (b & 0x80000000) && !(tr & 0x80000000)) || @@ -58,19 +61,19 @@ Uint32 RAdditionSigne(long int a, long int b) } else { ResetOverflow(); } - + if (tr) { ResetZero(); } else { SetZero(); } - + if (tr & 1) { SetParity(); } else { ResetParity(); } - + if (tr & 0x80000000) { SetSign(); } else { @@ -159,7 +162,7 @@ Uint32 RDivisionNonSigne(Uint32 a, Uint32 b) Uint32 RDivisionSigne(long int a, long int b) { long long temp = a; - + temp /= b; if (temp & 1) { SetParity(); @@ -819,63 +822,50 @@ couple MultipliSig(Uint32 x, Uint32 y) Uint32 NDivisionNonSigne(Uint32 a, Uint32 b) { Uint32 quot, rest; - if (b>a) - { - quot=0; - rest=a; - } - else - { - if (b==a) - { - quot=1; - rest=0; - } - else - { - quot=0; - rest=a; - while (rest>=b) - { - rest=NSoustractionNonSigne(rest,b); + + if (b > a) { + quot = 0; + rest = a; + } else { + if (b == a) { + quot = 1; + rest = 0; + } else { + quot = 0; + rest = a; + while (rest >= b) { + rest = NSoustractionNonSigne(rest, b); quot++; } } } SecondResult = rest; return quot; -} +} Uint32 NDivisionSigne(long int a, long int b) { long int quot, rest; - - if (b>a) - { - quot=0; - rest=a; - } - else - { - if (b==a) - { - quot=1; - rest=0; - } - else - { - quot=0; - rest=a; - while (rest>=b) - { - rest=NSoustractionNonSigne(rest,b); + + if (b > a) { + quot = 0; + rest = a; + } else { + if (b == a) { + quot = 1; + rest = 0; + } else { + quot = 0; + rest = a; + while (rest >= b) { + rest = NSoustractionNonSigne(rest, b); quot++; } } } SecondResult = rest; return quot; -} +} Uint32 NMultiplicationNonSigne(Uint32 a, Uint32 b) { @@ -1004,4 +994,3 @@ Uint32 SHR(Uint32 a) return NSHR(a); } } - |