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Add qc_pow.

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This commit is contained in:
Dale Weiler 2014-03-17 09:39:59 -04:00
parent 581c48e337
commit 06e2cb2b1b
4 changed files with 20 additions and 6 deletions
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13
exec.c
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@ -822,6 +822,16 @@ static int qc_floor(qc_program_t *prog) {
return 0;
}
static int qc_pow(qc_program_t *prog) {
qcany_t *base, *exp, out;
CheckArgs(2);
base = GetArg(0);
exp = GetArg(1);
out._float = pow(base->_float, exp->_float);
Return(out);
return 0;
}
static prog_builtin_t qc_builtins[] = {
NULL,
&qc_print, /* 1 */
@ -837,7 +847,8 @@ static prog_builtin_t qc_builtins[] = {
&qc_strcmp, /* 11 */
&qc_normalize, /* 12 */
&qc_sqrt, /* 13 */
&qc_floor /* 14 */
&qc_floor, /* 14 */
&qc_pow /* 15 */
};
static const char *arg0 = NULL;

1
tests/defs.qh
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@ -17,3 +17,4 @@ float (string, string) strcmp = #11;
vector (vector) normalize = #12;
float (float) sqrt = #13;
float (float) floor = #14;
float (float, float) pow = #15;

10
tests/exponentiation.qc
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@ -1,13 +1,13 @@
float pow(float x, float y) {
return __builtin_pow(x, y);
}
void main() {
float hundy = pow(10, 2); // 10^2 == 100
float hundy = __builtin_pow(10, 2); // 10^2 == 100
print(ftos(hundy), "\n"); // prints: 100
hundy = pow(10, 2);
print(ftos(hundy), "\n");
hundy -= 90; // 100-90 = 10
print(ftos(hundy ** 2), "\n"); // prints: 100
print(ftos(pow(hundy, 2)), "\n"); // prints: 100
hundy = 10.0f;
print(ftos(__builtin_exp(hundy)), "\n"); // prints: 22026.5

2
tests/exponentiation.tmpl
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@ -6,4 +6,6 @@ C: -std=gmqcc
E: $null
M: 100
M: 100
M: 100
M: 100
M: 22026.5