def to_latex__exact(a, tol, tab):
from dit.math import approximate_fraction
array = np.atleast_2d(a)
to_frac = lambda f: approximate_fraction(f, tol)
fractions = np.array(list(map(to_frac, array.flat))).reshape(array.shape)
# Specify that we want all columns to have the same column type.
nCols = array.shape[1]
cols = r"*{{{nCols}}}{{c}}".format(nCols=nCols)
def to_frac(f):
if f.denominator != 1:
return r'\frac{{{}}}{{{}}}'.format(f.numerator, f.denominator)
else:
return str(f.numerator)
# Build the lines in the array.
lines = []
for row in fractions:
# Strip [ and ], remove newlines, and split on whitespace
elements = map(to_frac, row)
line = [tab, ' & '.join(elements), r' \\']
lines.append(''.join(line))
# Remove the \\ on the last line.
lines[-1] = lines[-1][:-3]
# Create the LaTeX code
subs = {'cols': cols, 'lines': '\n'.join(lines)}
template = r"""\begin{{array}}{{{cols}}}
{lines}
\end{{array}}"""
return template.format(**subs)
def to_latex__exact(a, tol, tab):
from dit.math import approximate_fraction
array = np.atleast_2d(a)
to_frac = lambda f: approximate_fraction(f, tol)
fractions = np.array(list(map(to_frac, array.flat))).reshape(array.shape)
# Specify that we want all columns to have the same column type.
nCols = array.shape[1]
cols = r"*{{{nCols}}}{{c}}".format(nCols=nCols)
def to_frac(f):
if f.denominator != 1:
return r'\frac{{{}}}{{{}}}'.format(f.numerator, f.denominator)
else:
return str(f.numerator)
# Build the lines in the array.
lines = []
for row in fractions:
# Strip [ and ], remove newlines, and split on whitespace
elements = map(to_frac, row)
line = [tab, ' & '.join(elements), r' \\']
lines.append(''.join(line))
# Remove the \\ on the last line.
lines[-1] = lines[-1][:-3]
# Create the LaTeX code
subs = {'cols': cols, 'lines': '\n'.join(lines)}
template = r"""\begin{{array}}{{{cols}}}
{lines}
\end{{array}}"""
return template.format(**subs)