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Add comparison functions.

This commit is contained in:
Danila Fedorin 2018-08-17 00:55:24 -07:00
parent fb632578ec
commit 05655a2878
1 changed files with 23 additions and 0 deletions
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src/main.cpp
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@ -189,12 +189,25 @@ FUNCTION(to_string_unit) {
return LIBAB_SUCCESS; \
}
#define FUNCTION_COMPARE(name, op) FUNCTION(name) { \
number* left = (number*) libab_unwrap_param(params, 0); \
number* right = (number*) libab_unwrap_param(params, 1); \
libab_get_bool_value(ab, mpfr_cmp(left->value, right->value) op 0, into); \
return LIBAB_SUCCESS; \
}
FUNCTION_MPFR2(plus, add)
FUNCTION_MPFR2(minus, sub)
FUNCTION_MPFR2(times, mul)
FUNCTION_MPFR2(divide, div)
FUNCTION_MPFR2(pow, pow);
FUNCTION_COMPARE(lt, <);
FUNCTION_COMPARE(lte, <=);
FUNCTION_COMPARE(equals, ==);
FUNCTION_COMPARE(gt, >);
FUNCTION_COMPARE(gte, >=);
FUNCTION_MPFR(negate, neg);
FUNCTION_MPFR(ln, log);
@ -326,6 +339,11 @@ int main() {
ab.add_function("to_string", function_to_string_bool, "(bool)->str");
ab.add_function("to_string", function_to_string_unit, "(unit)->str");
ab.add_function("lt", function_lt, "(num, num)->num");
ab.add_function("lte", function_lte, "(num, num)->num");
ab.add_function("equals", function_equals, "(num, num)->num");
ab.add_function("gt", function_gt, "(num, num)->num");
ab.add_function("gte", function_gte, "(num, num)->num");
ab.add_function("plus", function_plus, "(num, num)->num");
ab.add_function("minus", function_minus, "(num, num)->num");
ab.add_function("times", function_times, "(num, num)->num");
@ -344,6 +362,11 @@ int main() {
ab.add_function("arccos", function_arccos, "(num)->num");
ab.add_function("arctan", function_arctan, "(num)->num");
ab.add_operator_infix("<", "lt", -1, 1);
ab.add_operator_infix("<=", "lte", -1, 1);
ab.add_operator_infix("==", "equals", -1, 1);
ab.add_operator_infix(">", "gt", -1, 1);
ab.add_operator_infix(">=", "gte", -1, 1);
ab.add_operator_infix("+", "plus", -1, 2);
ab.add_operator_infix("-", "minus", -1, 2);
ab.add_operator_infix("*", "times", -1, 3);