# CompareS64

Compares two signed 64-bit integer quantities.

### Synopsis

`int32 CompareS64( int64 *s1, int64 *s2 )`

### Description

This function compares two signed 64-bit integers. This function is actually the same function as `CompareSF32()` and `CompareSF60()`.

### Arguments

s1, s2 Pointers to signed 64-bit integers.

### Return Value

s1 == s2

### Implementation

Folio call implemented in operamath V20.

### Associated Files

operamath.h, operamath.lib

### See Also

``CompareSF32`(), CompareU64(), CompareUF32(), CompareUF60(), CompareSF60()`