Motorola DSP Developer's Kit

min-1r.asm

[y, index] = mot###_min(X)

Description

This function returns the smallest element of input real vector X and its index

Input/Output

Input: Real vector X

Output: Real value Y (smallest element of X), index

Algorithm

#define IN0
MinValue = X[0];
Index = 0;
for(i=1; i<size; i++)
{
    if(X[i] < MinValue)
{
    MinValue = X[i];
    index = i;
}
}

Memory & Register

Label IN present location of input real vector X.

Register A store Min-1r Result y

R1 = Index of largest element of X

R4 = Number of items in the array

Status Register

The assembly function max-1r-r.asm does not explicitly set any status registers/bits during the function execution.

Data Size Limit

The length of vector X can't be larger than the continuous available data memory size.

Data Range Limit

Input data vector X range [-1.0, +1.0]

Precision

In the case of DSP563, precision is 23 bits.

In the case of DSP566, precision is 15 bits.

Performance Limit

DSP563:

DSP566:

mean-c.asm

min-1c.asm