pub fn matmul(
m: usize,
k: usize,
n: usize,
a: &[f64],
b: &[f64],
c: &mut [f64],
) -> Result<(), SolversError>Expand description
Plain product C := A · B for A (m×k), B (k×n), C (m×n),
all row-major and caller-owned. Thin wrapper over gemm with
alpha = 1, beta = 0 and no transposes.