59 lines
1.2 KiB
Rust
59 lines
1.2 KiB
Rust
//! @brief Solana Rust-based BPF program utility functions and types
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extern crate solana_sdk_bpf_utils;
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pub fn uadd(x: u128, y: u128) -> u128 {
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x + y
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}
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pub fn usubtract(x: u128, y: u128) -> u128 {
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x - y
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}
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pub fn umultiply(x: u128, y: u128) -> u128 {
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x * y
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}
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pub fn udivide(n: u128, d: u128) -> u128 {
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n / d
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}
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pub fn umodulo(n: u128, d: u128) -> u128 {
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n % d
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}
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pub fn add(x: i128, y: i128) -> i128 {
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x + y
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}
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pub fn subtract(x: i128, y: i128) -> i128 {
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x - y
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}
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pub fn multiply(x: i128, y: i128) -> i128 {
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x * y
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}
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pub fn divide(n: i128, d: i128) -> i128 {
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n / d
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}
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pub fn modulo(n: i128, d: i128) -> i128 {
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n % d
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}
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#[cfg(test)]
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mod test {
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extern crate std;
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use super::*;
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#[test]
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fn pull_in_externs() {
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// Rust on Linux excludes the solana_sdk_bpf_test library unless there is a
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// direct dependency, use this test to force the pull in of the library.
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// This is not necessary on macos and unfortunate on Linux
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// Issue #4972
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extern crate solana_sdk_bpf_test;
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use solana_sdk_bpf_test::*;
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unsafe { sol_log_("X".as_ptr(), 1) };
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sol_log_64_(1, 2, 3, 4, 5);
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}
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#[test]
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fn test_add() {
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assert_eq!(3, add(1, 2));
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}
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}
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