diff options
| -rw-r--r-- | cmds.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/cmds.c b/cmds.c index 0ed7b62..30772fb 100644 --- a/cmds.c +++ b/cmds.c @@ -9,6 +9,7 @@ #define LAST stack.val[stack.count-1] #define PREV stack.val[stack.count-2] #define REDUCE stack.val[--stack.count] = 0 +#define NEW stack.val[stack.count++] stack fceil(stack stack) { LAST = ceil(LAST); @@ -46,14 +47,38 @@ stack finv(stack stack) { return stack; } +stack fpi(stack stack) { + NEW = M_PI; + return stack; +} + +stack fe(stack stack) { + NEW = M_E; + return stack; +} + +stack fsin(stack stack) { + LAST = sin(LAST); + return stack; +} + +stack fcos(stack stack) { + LAST = cos(LAST); + return stack; +} + command CMD_LIST[] = { - {"p", &fpop, "pop last element", 1}, {"ceil", &fceil, "truncate to the next integer", 1}, + {"cos", &fcos, "calculate the cosine", 1}, + {"e", &fe, "return number e", 0}, {"floor", &ffloor, "truncate to the previous integer", 1}, + {"inv", &finv, "invert last number", 1}, {"log", &flogB, "calculate logarithm using last element as a base and the previous as the argument", 2}, {"neg", &fnegate, "change last element's sign", 1}, + {"p", &fpop, "pop last element", 1}, + {"pi", &fpi, "return number pi", 0}, + {"sin", &fsin, "calculate the sine", 1}, {"sqrt", &fsqrt, "calculate the square root", 1}, - {"inv", &finv, "invert last number", 1}, }; int compare(const void *s1, const void *s2) { |