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Grow internal expr int representation to 64 bits
This is necessary to retain precision above 32 bits, but more importantly to prevent an expression like (0x80000000 | 1) from flipping the sign of the result.
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7
Externals/expr/include/expr.h
vendored
7
Externals/expr/include/expr.h
vendored
@ -14,6 +14,7 @@ extern "C" {
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#include <ctype.h> /* for isspace */
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#include <limits.h>
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#include <math.h> /* for pow */
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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@ -288,13 +289,13 @@ static struct expr_var *expr_get_var(struct expr_var_list *vars, const char *s,
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return v;
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}
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static int to_int(double x) {
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static int64_t to_int(double x) {
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if (isnan(x)) {
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return 0;
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} else if (isinf(x) != 0) {
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return INT_MAX * isinf(x);
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return INT64_MAX * isinf(x);
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} else {
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return (int)x;
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return (int64_t)x;
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}
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}
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