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authorAndrei Karas <akaras@inbox.ru>2017-09-21 22:22:35 +0300
committerAndrei Karas <akaras@inbox.ru>2017-09-21 23:18:40 +0300
commitc11f17020732d96e6830deadb8272f66c9af623b (patch)
tree23694297ff60d27ee6d60aa041141a6264a244db /src/common/utils.c
parentc3f46b2c8f3d05a44c2d7388756666e98b9323bb (diff)
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Convert some functions from int32 types to int64.
This mainly need for base and job exp, because now they using int64 type.
Diffstat (limited to 'src/common/utils.c')
-rw-r--r--src/common/utils.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/common/utils.c b/src/common/utils.c
index bcfc153e3..0d76a885e 100644
--- a/src/common/utils.c
+++ b/src/common/utils.c
@@ -359,6 +359,28 @@ unsigned int get_percentage(const unsigned int A, const unsigned int B)
return (unsigned int)floor(result);
}
+/// calculates the value of A / B, in percent (rounded down)
+uint64 get_percentage64(const uint64 A, const uint64 B)
+{
+ double result;
+
+ if( B == 0 )
+ {
+ ShowError("get_percentage(): division by zero! (A=%"PRIu64",B=%"PRIu64")\n", A, B);
+ return ~0U;
+ }
+
+ result = 100 * ((double)A / (double)B);
+
+ if( result > UINT_MAX )
+ {
+ ShowError("get_percentage(): result percentage too high! (A=%"PRIu64",B=%"PRIu64",result=%g)\n", A, B, result);
+ return UINT_MAX;
+ }
+
+ return (uint64)floor(result);
+}
+
/**
* Applies a percentual rate modifier.
*