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test_numpy_02.py
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test_numpy_02.py
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# This test handles actual LPython implementations of functions from the numpy
# module.
from ltypes import i32, i64, f32, f64, TypeVar, overload
from numpy import empty, int64
e: f64 = 2.718281828459045
n: i32
n = TypeVar("n")
def zeros(n: i32) -> f64[n]:
A: f64[n]
A = empty(n)
i: i32
for i in range(n):
A[i] = 0.0
return A
def ones(n: i32) -> f64[n]:
A: f64[n]
A = empty(n)
i: i32
for i in range(n):
A[i] = 1.0
return A
def arange(n: i32) -> i64[n]:
A: i64[n]
A = empty(n, dtype=int64)
i: i32
for i in range(n):
A[i] = i
return A
#: sqrt() as a generic procedure.
#: supported types for argument:
#: i32, i64, f32, f64, bool
@overload
def sqrt(n: i32) -> f64:
return n**(1/2)
@overload
def sqrt(n: i64) -> f64:
return n**(1/2)
@overload
def sqrt(f: f32) -> f32:
return f**(1/2)
@overload
def sqrt(f: f64) -> f64:
return f**(1/2)
@overload
def sqrt(b: bool) -> f64:
if b:
return 1.0
else:
return 0.0
#: exp() as a generic procedure.
#: supported types for argument:
#: i32, i64, f32, f64, bool
@overload
def exp(n: i32) -> f64:
return e**n
@overload
def exp(n: i64) -> f64:
return e**n
@overload
def exp(f: f32) -> f32:
return e**f
@overload
def exp(f: f64) -> f64:
return e**f
@overload
def exp(b: bool) -> f64:
if b:
return 2.719
else:
return 1.0
#: fabs() as a generic procedure.
#: supported types for argument:
#: i32, i64, f32, f64, bool
@overload
def fabs(n: i32) -> f64:
if n < 0:
return -1.0*n
return 1.0*n
@overload
def fabs(n: i64) -> f64:
if n < 0:
return -1.0*n
return 1.0*n
@overload
def fabs(f: f32) -> f32:
if f < 0.0:
return -f
return f
@overload
def fabs(f: f64) -> f64:
if f < 0.0:
return -f
return f
@overload
def fabs(b: bool) -> f64:
return sqrt(b)
num: i32
num = TypeVar("num")
def linspace(start: f64, stop: f64, num: i32) -> f64[num]:
A: f64[num]
A = empty(num)
i: i32
for i in range(num):
A[i] = start + (stop-start)*i/(num-1)
return A
def test_zeros():
a: f64[4]
a = zeros(4)
eps: f64
eps = 1e-12
assert abs(a[0] - 0.0) < eps
assert abs(a[1] - 0.0) < eps
assert abs(a[2] - 0.0) < eps
assert abs(a[3] - 0.0) < eps
def test_ones():
a: f64[4]
a = ones(4)
eps: f64
eps = 1e-12
assert abs(a[0] - 1.0) < eps
assert abs(a[1] - 1.0) < eps
assert abs(a[2] - 1.0) < eps
assert abs(a[3] - 1.0) < eps
def test_arange():
a: i64[4]
a = arange(4)
assert a[0] == 0
assert a[1] == 1
assert a[2] == 2
assert a[3] == 3
def test_sqrt():
eps: f64
eps = 1e-12
a: f64
a2: f64
a = sqrt(2)
a2 = sqrt(5.6)
assert abs(a - 1.4142135623730951) < eps
assert abs(a2 - 2.3664319132398464) < eps
assert abs(sqrt(False) - 0.0) < eps
i: i64
i = 4
a = sqrt(i)
assert abs(a - 2.0) < eps
f: f32
f = 4.0
assert abs(sqrt(f) - 2.0) < eps
def test_exp():
a: f64
a = exp(6)
a2: f64
a2 = exp(5.6)
eps: f64
eps = 1e-12
assert abs(a - 403.4287934927351) < eps
assert abs(a2 - 270.42640742615254) < eps
assert abs(exp(True) - 2.719) < eps
i: i64
i = 4
a = exp(i)
assert abs(a - 54.598150033144236) < eps
f: f32
f = -4.0
print(exp(f))
def test_fabs():
a: f64
a = fabs(-3.7)
a2: f64
a2 = fabs(-3)
eps: f64
eps = 1e-12
assert abs(a - 3.7) < eps
assert abs(a2 - 3.0) < eps
assert abs(fabs(True) - 1.0) < eps
i: i64
i = -4
a = fabs(i)
assert abs(a - 4.0) < eps
f: f32
f = -4.0
assert abs(fabs(f) - 4.0) < eps
def test_linspace():
a: f64[4]
a = linspace(1., 7., 4)
eps: f64
eps = 1e-12
assert abs(a[0] - 1.0) < eps
assert abs(a[1] - 3.0) < eps
assert abs(a[2] - 5.0) < eps
assert abs(a[3] - 7.0) < eps
def check():
test_zeros()
test_ones()
test_arange()
test_sqrt()
test_exp()
test_fabs()
test_linspace()
check()