258 DUK_INTERNAL duk_double_t duk_js_tointeger_number(duk_double_t x) {  in duk_js_tointeger_number()  argument
259 	duk_small_int_t c = (duk_small_int_t) DUK_FPCLASSIFY(x);  in duk_js_tointeger_number()
267 		return x;  in duk_js_tointeger_number()
269 		duk_small_int_t s = (duk_small_int_t) DUK_SIGNBIT(x);  in duk_js_tointeger_number()
270 		x = DUK_FLOOR(DUK_FABS(x));  /* truncate towards zero */  in duk_js_tointeger_number()
272 			x = -x;  in duk_js_tointeger_number()
274 		return x;  in duk_js_tointeger_number()
289 DUK_LOCAL duk_double_t duk__toint32_touint32_helper(duk_double_t x, duk_bool_t is_toint32) {  in duk__toint32_touint32_helper()  argument
290 	duk_small_int_t c = (duk_small_int_t) DUK_FPCLASSIFY(x);  in duk__toint32_touint32_helper()
298 	/* x = sign(x) * floor(abs(x)), i.e. truncate towards zero, keep sign */  in duk__toint32_touint32_helper()
299 	s = (duk_small_int_t) DUK_SIGNBIT(x);  in duk__toint32_touint32_helper()
300 	x = DUK_FLOOR(DUK_FABS(x));  in duk__toint32_touint32_helper()
302 		x = -x;  in duk__toint32_touint32_helper()
305 	/* NOTE: fmod(x) result sign is same as sign of x, which  in duk__toint32_touint32_helper()
309 	x = DUK_FMOD(x, DUK_DOUBLE_2TO32);    /* -> x in ]-2**32, 2**32[ */  in duk__toint32_touint32_helper()
311 	if (x < 0.0) {  in duk__toint32_touint32_helper()
312 		x += DUK_DOUBLE_2TO32;  in duk__toint32_touint32_helper()
314 	/* -> x in [0, 2**32[ */  in duk__toint32_touint32_helper()
317 		if (x >= DUK_DOUBLE_2TO31) {  in duk__toint32_touint32_helper()
318 			/* x in [2**31, 2**32[ */  in duk__toint32_touint32_helper()
320 			x -= DUK_DOUBLE_2TO32;  /* -> x in [-2**31,2**31[ */  in duk__toint32_touint32_helper()
324 	return x;  in duk__toint32_touint32_helper()
440 DUK_LOCAL duk_bool_t duk__js_equals_number(duk_double_t x, duk_double_t y) {  in duk__js_equals_number()  argument
443 	duk_small_int_t cx = (duk_small_int_t) DUK_FPCLASSIFY(x);  in duk__js_equals_number()
451 	if (x == y) {  in duk__js_equals_number()
462 	if (x == y) {  in duk__js_equals_number()
464 		DUK_ASSERT(DUK_FPCLASSIFY(x) != DUK_FP_NAN);  in duk__js_equals_number()
469 		 * of their signed, so if both x and y are zeroes, they  in duk__js_equals_number()
472 		DUK_ASSERT(!(DUK_FPCLASSIFY(x) == DUK_FP_ZERO && DUK_FPCLASSIFY(y) == DUK_FP_ZERO));  in duk__js_equals_number()
478 DUK_LOCAL duk_bool_t duk__js_samevalue_number(duk_double_t x, duk_double_t y) {  in duk__js_samevalue_number()  argument
480 	duk_small_int_t cx = (duk_small_int_t) DUK_FPCLASSIFY(x);  in duk__js_samevalue_number()
491 		 *     signbit(x) == signbit(y)  in duk__js_samevalue_number()
493 		duk_small_int_t sx = (DUK_SIGNBIT(x) ? 1 : 0);  in duk__js_samevalue_number()
499 	 *   - both x and y are not NaNs (but one of them can be)  in duk__js_samevalue_number()
500 	 *   - both x and y are not zero (but one of them can be)  in duk__js_samevalue_number()
501 	 *   - x and y may be denormal or infinite  in duk__js_samevalue_number()
504 	return (x == y);  in duk__js_samevalue_number()
506 	duk_small_int_t cx = (duk_small_int_t) DUK_FPCLASSIFY(x);  in duk__js_samevalue_number()
509 	if (x == y) {  in duk__js_samevalue_number()
511 		DUK_ASSERT(DUK_FPCLASSIFY(x) != DUK_FP_NAN);  in duk__js_samevalue_number()
519 			 *     signbit(x) == signbit(y)  in duk__js_samevalue_number()
521 			duk_small_int_t sx = (DUK_SIGNBIT(x) ? 1 : 0);  in duk__js_samevalue_number()
528 		 * of their signed, so if both x and y are zeroes, they  in duk__js_samevalue_number()
531 		DUK_ASSERT(!(DUK_FPCLASSIFY(x) == DUK_FP_ZERO && DUK_FPCLASSIFY(y) == DUK_FP_ZERO));  in duk__js_samevalue_number()
767  *  Comparisons (x >= y, x > y, x <= y, x < y)
769  *  E5 Section 11.8.5: implement 'x < y' and then use negate and eval_left_first
798 		/* e.g. "x" < "xx" */  in duk_js_data_compare()
961 			/* x == +Infinity */  in duk_js_compare_helper()
976 			/* x == -Infinity */  in duk_js_compare_helper()