shithub: snippets

Info  •  Files  •  Log

add lrint.c

--- a/README.md

+++ b/README.md

@@ -3,5 +3,6 @@

 Random snippets of code that are in public domain.

 Just copy and use for whatever you want.

-* `qt.[ch]` [QP tries](https://dotat.at/prog/qp/README.html)

+* `lrint.c` lrint* implementation

 * `msr.c` MSR reading tool

+* `qt.[ch]` [QP tries](https://dotat.at/prog/qp/README.html)

--- /dev/null

+++ b/lrint.c

@@ -1,0 +1,19 @@

+int

+lrintf(float f)

+{

+	int i;

+

+	*((float*)&i) = f + 12582912.0f;

+

+	return (i & 0x7fffff) - 0x400000;

+}

+

+long

+lrint(double d)

+{

+	long long l;

+

+	*((double*)&l) = d + 6755399441055744.0;

+

+	return l;

+}