51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
#include "cell_math.h"
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#include <math.h>
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JSValue js_math_e (JSContext *ctx, JSValue this_val, int argc, JSValue *argv) {
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double power = 1.0;
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if (argc > 0 && !JS_IsNull (argv[0])) {
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if (JS_ToFloat64 (ctx, &power, argv[0]) < 0) return JS_EXCEPTION;
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}
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return JS_NewFloat64 (ctx, exp (power));
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}
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JSValue js_math_ln (JSContext *ctx, JSValue this_val, int argc, JSValue *argv) {
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double x;
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if (JS_ToFloat64 (ctx, &x, argv[0]) < 0) return JS_EXCEPTION;
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return JS_NewFloat64 (ctx, log (x));
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}
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JSValue js_math_log10 (JSContext *ctx, JSValue this_val, int argc, JSValue *argv) {
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double x;
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if (JS_ToFloat64 (ctx, &x, argv[0]) < 0) return JS_EXCEPTION;
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return JS_NewFloat64 (ctx, log10 (x));
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}
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JSValue js_math_log2 (JSContext *ctx, JSValue this_val, int argc, JSValue *argv) {
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double x;
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if (JS_ToFloat64 (ctx, &x, argv[0]) < 0) return JS_EXCEPTION;
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return JS_NewFloat64 (ctx, log2 (x));
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}
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JSValue js_math_power (JSContext *ctx, JSValue this_val, int argc, JSValue *argv) {
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double x, y;
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if (argc < 2) return JS_NULL;
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if (JS_ToFloat64 (ctx, &x, argv[0]) < 0) return JS_EXCEPTION;
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if (JS_ToFloat64 (ctx, &y, argv[1]) < 0) return JS_EXCEPTION;
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return JS_NewFloat64 (ctx, pow (x, y));
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}
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JSValue js_math_root (JSContext *ctx, JSValue this_val, int argc, JSValue *argv) {
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double x, n;
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if (argc < 2) return JS_NULL;
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if (JS_ToFloat64 (ctx, &x, argv[0]) < 0) return JS_EXCEPTION;
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if (JS_ToFloat64 (ctx, &n, argv[1]) < 0) return JS_EXCEPTION;
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return JS_NewFloat64 (ctx, pow (x, 1.0 / n));
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}
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JSValue js_math_sqrt (JSContext *ctx, JSValue this_val, int argc, JSValue *argv) {
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double x;
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if (JS_ToFloat64 (ctx, &x, argv[0]) < 0) return JS_EXCEPTION;
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return JS_NewFloat64 (ctx, sqrt (x));
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}
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