vec_sub

Purpose

Returns a vector containing the result of subtracting each element of b from the corresponding element of a.

This function emulates the operation on long long vectors.

Syntax

d=vec_sub(a, b)

Result and argument types

The following table describes the types of the returned value and the function arguments.

Table 1. Result and argument types
d a b
The same type as argument a vector signed char The same type as argument a
vector unsigned char
vector signed short
vector unsigned short
vector signed int
vector unsigned int
vector signed long long
vector unsigned long long
vector float
vector double

Result value

The value of each element of the result is the result of subtracting the value of the corresponding element of b from the value of the corresponding element of a. The arithmetic is modular for integer vectors.