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Added trig. functions to the math library
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parent
5c71efbe40
commit
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110
src/cbaselib.c
110
src/cbaselib.c
@ -662,17 +662,119 @@ int cosmoB_mCeil(CState *state, int nargs, CValue *args) {
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return 1;
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}
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int cosmoB_mSin(CState *state, int nargs, CValue *args) {
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if (nargs != 1) {
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cosmoV_error(state, "math.sin() expected 1 argument, got %d!", nargs);
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return 0;
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}
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if (!IS_NUMBER(args[0])) {
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cosmoV_typeError(state, "math.sin", "<number>", "%s", cosmoV_typeStr(args[0]));
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return 0;
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}
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cosmoV_pushNumber(state, sin(cosmoV_readNumber(args[0])));
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return 1;
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}
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int cosmoB_mCos(CState *state, int nargs, CValue *args) {
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if (nargs != 1) {
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cosmoV_error(state, "math.cos() expected 1 argument, got %d!", nargs);
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return 0;
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}
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if (!IS_NUMBER(args[0])) {
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cosmoV_typeError(state, "math.cos", "<number>", "%s", cosmoV_typeStr(args[0]));
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return 0;
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}
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cosmoV_pushNumber(state, cos(cosmoV_readNumber(args[0])));
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return 1;
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}
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int cosmoB_mTan(CState *state, int nargs, CValue *args) {
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if (nargs != 1) {
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cosmoV_error(state, "math.tan() expected 1 argument, got %d!", nargs);
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return 0;
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}
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if (!IS_NUMBER(args[0])) {
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cosmoV_typeError(state, "math.tan", "<number>", "%s", cosmoV_typeStr(args[0]));
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return 0;
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}
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cosmoV_pushNumber(state, tan(cosmoV_readNumber(args[0])));
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return 1;
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}
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int cosmoB_mASin(CState *state, int nargs, CValue *args) {
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if (nargs != 1) {
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cosmoV_error(state, "math.asin() expected 1 argument, got %d!", nargs);
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return 0;
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}
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if (!IS_NUMBER(args[0])) {
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cosmoV_typeError(state, "math.asin", "<number>", "%s", cosmoV_typeStr(args[0]));
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return 0;
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}
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cosmoV_pushNumber(state, asin(cosmoV_readNumber(args[0])));
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return 1;
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}
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int cosmoB_mACos(CState *state, int nargs, CValue *args) {
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if (nargs != 1) {
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cosmoV_error(state, "math.acos() expected 1 argument, got %d!", nargs);
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return 0;
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}
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if (!IS_NUMBER(args[0])) {
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cosmoV_typeError(state, "math.acos", "<number>", "%s", cosmoV_typeStr(args[0]));
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return 0;
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}
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cosmoV_pushNumber(state, acos(cosmoV_readNumber(args[0])));
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return 1;
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}
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int cosmoB_mATan(CState *state, int nargs, CValue *args) {
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if (nargs != 1) {
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cosmoV_error(state, "math.atan() expected 1 argument, got %d!", nargs);
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return 0;
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}
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if (!IS_NUMBER(args[0])) {
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cosmoV_typeError(state, "math.atan", "<number>", "%s", cosmoV_typeStr(args[0]));
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return 0;
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}
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cosmoV_pushNumber(state, atan(cosmoV_readNumber(args[0])));
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return 1;
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}
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void cosmoB_loadMathLib(CState *state) {
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const char *identifiers[] = {
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"abs",
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"floor",
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"ceil"
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"ceil",
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"sin",
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"cos",
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"tan",
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"asin",
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"acos",
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"atan"
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};
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CosmoCFunction mathLib[] = {
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cosmoB_mAbs,
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cosmoB_mFloor,
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cosmoB_mCeil
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cosmoB_mCeil,
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cosmoB_mSin,
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cosmoB_mCos,
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cosmoB_mTan,
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cosmoB_mASin,
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cosmoB_mACos,
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cosmoB_mATan
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};
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// make math library object
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@ -683,6 +785,10 @@ void cosmoB_loadMathLib(CState *state) {
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cosmoV_pushCFunction(state, mathLib[i]);
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}
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cosmoV_pushString(state, "pi");
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cosmoV_pushNumber(state, acos(-1));
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i++;
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// make the object and register it as a global to the state
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cosmoV_makeObject(state, i);
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cosmoV_register(state, 1);
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@ -40,6 +40,7 @@ COSMO_API void cosmoB_loadStrLib(CState *state);
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- math.abs
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- math.floor
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- math.ceil
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- math.tan
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*/
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COSMO_API void cosmoB_loadMathLib(CState *state);
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