diff options
| -rw-r--r-- | 022arithmetic.cc | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/022arithmetic.cc b/022arithmetic.cc index 9ae5693b..7b74264f 100644 --- a/022arithmetic.cc +++ b/022arithmetic.cc @@ -762,6 +762,29 @@ def main [ +mem: storing -12 in location 1 :(before "End Primitive Recipe Declarations") +SQUARE_ROOT, +:(before "End Primitive Recipe Numbers") +put(Recipe_ordinal, "square-root", SQUARE_ROOT); +:(before "End Primitive Recipe Checks") +case SQUARE_ROOT: { + if (SIZE(inst.ingredients) != 1) { + raise << maybe(get(Recipe, r).name) << "'square-root' requires exactly one ingredient, but got '" << inst.original_string << "'\n" << end(); + break; + } + if (!is_mu_number(inst.ingredients.at(0))) { + raise << maybe(get(Recipe, r).name) << "first ingredient of 'square-root' should be a number, but got '" << inst.ingredients.at(0).original_string << "'\n" << end(); + break; + } + break; +} +:(before "End Primitive Recipe Implementations") +case SQUARE_ROOT: { + products.resize(1); + products.at(0).push_back(sqrt(ingredients.at(0).at(0))); + break; +} + +:(before "End Primitive Recipe Declarations") CHARACTER_TO_CODE, :(before "End Primitive Recipe Numbers") put(Recipe_ordinal, "character-to-code", CHARACTER_TO_CODE); |