__d64_to_long_long, __d128_to_long_long

Purpose

Convert to Integer

Converts a decimal floating-point value to a 64-bit signed binary integer, using the current rounding mode.

Prototype

long long __d64_to_long_long (_Decimal64);

long long __d128_to_long_long (_Decimal128):

Return value

The input value converted to a long long, using the current rounding mode (not always rounded towards zero as a cast or implicit conversion would be).