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Remove ==, not==, and order[<,<=,>,>=].

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This unifies equality and comparison checking. Before, we had
separate functions and vm opcodes for comparing general values vs.
for comparing numbers, where the numberic functions were polymorphic and
had special cases for handling NaNs. By unfiying them, abstract types
can now better integrate with other number types and behave as keys.

For now, the old functions are aliased but will eventually be removed.
This commit is contained in:
Calvin Rose
2019-12-28 15:57:36 -05:00
parent 5528bca7a9
commit 022be217a2
21 changed files with 181 additions and 166 deletions
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38
src/core/corelib.c
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@@ -1090,45 +1090,23 @@ JanetTable *janet_core_env(JanetTable *replacements) {
"for positive shifts the return value will always be positive."));
/* Variadic comparators */
templatize_comparator(env, JANET_FUN_ORDER_GT, "order>", 0, JOP_GREATER_THAN,
JDOC("(order> & xs)\n\n"
"Check if xs is strictly descending according to a total order "
"over all values. Returns a boolean."));
templatize_comparator(env, JANET_FUN_ORDER_LT, "order<", 0, JOP_LESS_THAN,
JDOC("(order< & xs)\n\n"
"Check if xs is strictly increasing according to a total order "
"over all values. Returns a boolean."));
templatize_comparator(env, JANET_FUN_ORDER_GTE, "order>=", 1, JOP_LESS_THAN,
JDOC("(order>= & xs)\n\n"
"Check if xs is not increasing according to a total order "
"over all values. Returns a boolean."));
templatize_comparator(env, JANET_FUN_ORDER_LTE, "order<=", 1, JOP_GREATER_THAN,
JDOC("(order<= & xs)\n\n"
"Check if xs is not decreasing according to a total order "
"over all values. Returns a boolean."));
templatize_comparator(env, JANET_FUN_ORDER_EQ, "=", 0, JOP_EQUALS,
JDOC("(= & xs)\n\n"
"Returns true if all values in xs are the same, false otherwise."));
templatize_comparator(env, JANET_FUN_ORDER_NEQ, "not=", 1, JOP_EQUALS,
JDOC("(not= & xs)\n\n"
"Return true if any values in xs are not equal, otherwise false."));
templatize_comparator(env, JANET_FUN_GT, ">", 0, JOP_NUMERIC_GREATER_THAN,
templatize_comparator(env, JANET_FUN_GT, ">", 0, JOP_GREATER_THAN,
JDOC("(> & xs)\n\n"
"Check if xs is in numerically descending order. Returns a boolean."));
templatize_comparator(env, JANET_FUN_LT, "<", 0, JOP_NUMERIC_LESS_THAN,
templatize_comparator(env, JANET_FUN_LT, "<", 0, JOP_LESS_THAN,
JDOC("(< & xs)\n\n"
"Check if xs is in numerically ascending order. Returns a boolean."));
templatize_comparator(env, JANET_FUN_GTE, ">=", 0, JOP_NUMERIC_GREATER_THAN_EQUAL,
templatize_comparator(env, JANET_FUN_GTE, ">=", 0, JOP_GREATER_THAN_EQUAL,
JDOC("(>= & xs)\n\n"
"Check if xs is in numerically non-ascending order. Returns a boolean."));
templatize_comparator(env, JANET_FUN_LTE, "<=", 0, JOP_NUMERIC_LESS_THAN_EQUAL,
templatize_comparator(env, JANET_FUN_LTE, "<=", 0, JOP_LESS_THAN_EQUAL,
JDOC("(<= & xs)\n\n"
"Check if xs is in numerically non-descending order. Returns a boolean."));
templatize_comparator(env, JANET_FUN_EQ, "==", 0, JOP_NUMERIC_EQUAL,
JDOC("(== & xs)\n\n"
templatize_comparator(env, JANET_FUN_EQ, "=", 0, JOP_EQUALS,
JDOC("(= & xs)\n\n"
"Check if all values in xs are numerically equal (4.0 == 4). Returns a boolean."));
templatize_comparator(env, JANET_FUN_NEQ, "not==", 1, JOP_NUMERIC_EQUAL,
JDOC("(not== & xs)\n\n"
templatize_comparator(env, JANET_FUN_NEQ, "not=", 1, JOP_EQUALS,
JDOC("(not= & xs)\n\n"
"Check if any values in xs are not numerically equal (3.0 not== 4). Returns a boolean."));
/* Platform detection */