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Lafrite
131
lib/call_litt.py
131
lib/call_litt.py
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#!/usr/bin/env python
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# encoding: utf-8
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from random import randint, uniform
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from math import sqrt
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from jinja2 import Template
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"""
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Generate expression for litteral calculous
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3 types of expression (a, b, c != 0, 1)
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1 -> ax + b and eval for x != -b / a
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2 -> ax(bx + c) and eval for x != 0 and x != -c / b
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3 -> ax^2 + b and eval for x != +-sqrt(b/a) (if a and b have same sign)
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"""
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def gene_type1(min_ = -10, max_ = 10):
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"""@todo: Docstring for gene_type1
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:param min_: @todo
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:param max_: @todo
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:returns: @todo
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"""
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a, b = 0, 0
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while (b in [0]) or (a in [0, 1]):
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a = randint(min_, max_)
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b = randint(min_, max_)
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return "{}x + {}".format(a,b), [-b/a]
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def gene_type2(min_, max_):
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"""@todo: Docstring for gene_type2
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:param min_: @todo
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:param max_: @todo
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:returns: @todo
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"""
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a, b, c = 0, 0, 0
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while (a in [0, 1]) or (b in [0, 1]) or c in [0]:
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a = randint(min_, max_)
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b = randint(min_, max_)
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c = randint(min_, max_)
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return "{}x({}x + {})".format(a,b,c), [0, -c/b]
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def gene_type3(min_ = -10, max_ = 10):
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"""@todo: Docstring for gene_type3
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:param min_: @todo
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:param max_: @todo
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:returns: @todo
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"""
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a, b = 0, 0
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while (b in [0]) or (a in [0, 1]):
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a = randint(min_, max_)
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b = randint(min_, max_)
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if a*(-b) > 0:
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VI = [-sqrt(-b/a), sqrt(-b/a)]
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else:
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VI = []
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return "{}x^2 + {}".format(a,b), VI
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def get_goodX(VI, approx = 0, min_ = -10, max_ = 10):
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"""@todo: Docstring for get_goodX
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:param VI: @todo
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:returns: @todo
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"""
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x = uniform(min_, max_)
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if approx == 0:
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x = int(x)
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else:
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x = round(x,approx)
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while x in VI:
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x = uniform(min_, max_)
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if approx == 0:
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x = int(x)
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else:
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x = round(x,approx)
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return x
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def fullExo(min_ = -10 , max_ = 10):
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"""Generate the whole exo
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:param min_: @todo
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:param max_: @todo
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:returns: @todo
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"""
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template = Template("""
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\\begin{equation*}
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$A = {{type1}}$ \\qquad $B = {{type2}}$ \\qquad $C = {{type3}}
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\\end{equation*}
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Évaluer $A$, $B$ et $C$ pour $x = {{x1}}$ puis $x = {{x2}}$""")
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type1, VI1 = gene_type1(min_, max_)
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type2, VI2 = gene_type2(min_, max_)
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type3, VI3 = gene_type3(min_, max_)
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VI = VI1 + VI2 + VI3
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x1, x2 = get_goodX(VI), get_goodX(VI, approx = 1)
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info = {"type1": type1, "type2": type2, "type3": type3, "x1":x1, "x2":x2}
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exo = template.render(**info)
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return exo
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if __name__ == '__main__':
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print(fullExo())
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# -----------------------------
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# Reglages pour 'vim'
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# vim:set autoindent expandtab tabstop=4 shiftwidth=4:
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# cursor: 16 del
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133
lib/rd_frac.py
133
lib/rd_frac.py
@@ -1,133 +0,0 @@
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#!/usr/bin/env python
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# encoding: utf-8
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from random import randint, random
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from random_expression import RdExpression
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from arithmetic import gcd
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from renders import tex_render
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"""Classe which generate randomly fractions calculus
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Types of sums
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add1 -> b / a + c / a
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add2 -> b / a + c / ka
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add3 -> b / a + e / d
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add4 -> f + b / a
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add5 -> b / a + f
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where:
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a integer > 2
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b integer different from 0 (could be coprime with a)
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c integer different from 0 (could be coprime with a or ka)
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e integer different from 0 (could be coprime with d)
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d integer > 2 ( a not divisible by d and d not divisible by a)
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k integer > 2
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f integer different from 0
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Types of multiplications
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mult1 -> a x b / c
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mult2 -> a x b / c + d / c
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mult3 -> a x b / c + d / e
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mult4 -> e / f x g / h >>> TODO
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mult5 -> i / j x k / l
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where:
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a integer different from -1, 0, 1
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b integer different from 0
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c integer different from 0 and 1 (could be coprime with b)
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d integer different from 0
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e, g integer different from 0
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f, g integer different from 0 and 1 such that e*g is coprime with f*h
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i, k integer different from 0
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j, l integer different from 0 and 1 such that i*k and j*l have divisor in common
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Types of divisions
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div1 -> a / b : c / d
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where:
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a integer different from 0
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b integer different from 0, 1
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c integer different from 0
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d integer different from 0
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#Signs can be mod
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"""
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add1 = RdExpression("{b} / {a} + {c} / {a}", \
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conditions = ["{a} > 2", "{b} != 0","{c} != 0"])
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add2 = RdExpression("{b} / {a} + {c} / {k*a}", \
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conditions = ["{a} > 2","{k} > 2", "{b} != 0","{c} != 0"])
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add3 = RdExpression("{b} / {a} + {e} / {d}", \
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conditions = ["{a} not in [0,1]", "{e} not in [0,1]", "{b} != 0","{d} not in [0,1]"])
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add4 = RdExpression("{b} / {a} + {f}", \
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conditions = ["{a} > 2", "{b} != 0", "{f} != 0"])
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add5 = RdExpression("{f} + {b} / {a}", \
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conditions = ["{a} > 2", "{b} != 0", "{f} != 0"])
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mult1 = RdExpression("{a} * {b} / {c}",\
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conditions = ["{a} not in [-1, 0, 1]", "{b} != 0", "{c} not in [0,1]"])
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mult2 = RdExpression("{a} * {b} / {c} + {d} / {c}",\
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conditions = ["{a} not in [-1, 0, 1]", "{b} != 0", "{c} not in [0,1]", \
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"{d} != 0"])
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mult3 = RdExpression("{a} * {b} / {c} + {d} / {e}",\
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conditions = ["{a} not in [-1, 0, 1]", "{b} != 0", "{c} not in [0,1]", \
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"{d} != 0", "{e} not in [0,1]", "{c} != {e}"])
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#mult4 = RdExpression("{e} / {f} * {g} / {h}", \
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# conditions = ["{e} != 0", "{g} != 0", "{f} != 0", "{g} != 0", \
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# "gcd({e*g}, {f*h}) == 1"])
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mult5 = RdExpression("{e} / {f} * {g} / {h}", \
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conditions = ["{e} != 0", "{g} != 0", "{f} not in [0, 1]", "{h} not in [0, 1]"])
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#"gcd({e*g}, {f*h}) != 1"])
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div1 = RdExpression("{a} / {b} : {c} / {d}", \
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conditions = ["{a} not in [0]", "{b} not in [0,1]", "{c} != 0","{d} not in [0]"])
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frac = {"add1": add1,\
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"add2": add2,\
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"add3": add3,\
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"add4": add4,\
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"add5": add5, \
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"mult1": mult1,\
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"mult2": mult2,\
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"mult3": mult2,\
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#"mult4": mult2,\
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"mult5": mult5, \
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"div1": div1 }
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if __name__ == '__main__':
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print(add1())
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print(add2())
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print(add3())
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print(add4())
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print(add5())
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print(mult1())
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print(mult2())
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print(mult3())
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#print(mult4())
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print(mult5())
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print(div1())
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# Reglages pour 'vim'
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# vim:set autoindent expandtab tabstop=4 shiftwidth=4:
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# cursor: 16 del
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