functions_arithmetic_decimal.yaml¶

This document file is generated for functions_arithmetic_decimal.yaml

Scalar Functions¶

add¶

Implementations:
add(x, y, option:overflow): -> return_type
0. add(decimal<P1,S1>, decimal<P2,S2>, option:overflow): ->

init_scale = max(S1,S2)
init_prec = init_scale + max(P1 - S1, P2 - S2) + 1
min_scale = min(init_scale, 6)
delta = init_prec - 38
prec = min(init_prec, 38)
scale_after_borrow = max(init_scale - delta, min_scale)
scale = init_prec > 38 ? scale_after_borrow : init_scale
DECIMAL<prec, scale>

Add two decimal values.

Options:

overflow ['SILENT', 'SATURATE', 'ERROR']

subtract¶

Implementations:
subtract(x, y, option:overflow): -> return_type
0. subtract(decimal<P1,S1>, decimal<P2,S2>, option:overflow): ->

init_scale = max(S1,S2)
init_prec = init_scale + max(P1 - S1, P2 - S2) + 1
min_scale = min(init_scale, 6)
delta = init_prec - 38
prec = min(init_prec, 38)
scale_after_borrow = max(init_scale - delta, min_scale)
scale = init_prec > 38 ? scale_after_borrow : init_scale
DECIMAL<prec, scale>

Options:

overflow ['SILENT', 'SATURATE', 'ERROR']

multiply¶

Implementations:
multiply(x, y, option:overflow): -> return_type
0. multiply(decimal<P1,S1>, decimal<P2,S2>, option:overflow): ->

init_scale = S1 + S2
init_prec = P1 + P2 + 1
min_scale = min(init_scale, 6)
delta = init_prec - 38
prec = min(init_prec, 38)
scale_after_borrow = max(init_scale - delta, min_scale)
scale = init_prec > 38 ? scale_after_borrow : init_scale
DECIMAL<prec, scale>

Options:

overflow ['SILENT', 'SATURATE', 'ERROR']

divide¶

Implementations:
divide(x, y, option:overflow): -> return_type
0. divide(decimal<P1,S1>, decimal<P2,S2>, option:overflow): ->

init_scale = max(6, S1 + P2 + 1)
init_prec = P1 - S1 + P2 + init_scale
min_scale = min(init_scale, 6)
delta = init_prec - 38
prec = min(init_prec, 38)
scale_after_borrow = max(init_scale - delta, min_scale)
scale = init_prec > 38 ? scale_after_borrow : init_scale
DECIMAL<prec, scale>

Options:

overflow ['SILENT', 'SATURATE', 'ERROR']

modulus¶

Implementations:
modulus(x, y, option:overflow): -> return_type
0. modulus(decimal<P1,S1>, decimal<P2,S2>, option:overflow): ->

init_scale = max(S1,S2)
init_prec = min(P1 - S1, P2 - S2) + init_scale
min_scale = min(init_scale, 6)
delta = init_prec - 38
prec = min(init_prec, 38)
scale_after_borrow = max(init_scale - delta, min_scale)
scale = init_prec > 38 ? scale_after_borrow : init_scale
DECIMAL<prec, scale>

Options:

overflow ['SILENT', 'SATURATE', 'ERROR']

Aggregate Functions¶

sum¶

Implementations:
sum(x, option:overflow): -> return_type
0. sum(DECIMAL<P, S>, option:overflow): -> DECIMAL?<38,S>

Sum a set of values.

Options:

overflow ['SILENT', 'SATURATE', 'ERROR']

avg¶

Implementations:
avg(x, option:overflow): -> return_type
0. avg(DECIMAL<P,S>, option:overflow): -> DECIMAL<38,S>

Average a set of values.

Options:

overflow ['SILENT', 'SATURATE', 'ERROR']

min¶

Implementations:
min(x): -> return_type
0. min(DECIMAL<P, S>): -> DECIMAL?<P, S>

Min a set of values.

max¶

Implementations:
max(x): -> return_type
0. max(DECIMAL<P,S>): -> DECIMAL?<P, S>

Max a set of values.