SRC_D = d1_stats.cpp d2_primes.cpp d3_iterate.cpp d4_newton.cpp
SRC_E = e1_fibonacci.cpp e2_normalize.cpp e3_accumulate.cpp f1_euler.cpp f2_approx.cpp f3_solve.cpp g1_rewrap.cpp g2_golden.cpp g3_divisors.cpp g4_midpoints.cpp g5_higher.cpp g6_fixpoint.cpp
# 021a4e7aeb57d47599dc336ab5d3aa4c37d524f6  e1_fibonacci.cpp
# c466cc9f1bd4f9ed76c634014a80876039ee1525  e2_normalize.cpp
# 515d89d95a4e1f64681628ece80ac3901852d0f4  e3_accumulate.cpp
# 4cb0075f1f945ac9ffb4069c8a50849ccd473c46  f1_euler.cpp
# 6ddc11b6b5c24778235e8dfcbe6566efd8b90c9c  f2_approx.cpp
# 080febd049f631a840ee2209cfa7e0aac145bec8  f3_solve.cpp
# 503f6ffffa0a81b658875c48fe48cb1c2554b922  g1_rewrap.cpp
# fbd786c2f71b74b93d5c72588d9a963767fccd01  g2_golden.cpp
# be64998df42b50060bf547f12c8c8d07c98387fc  g3_divisors.cpp
# 6631f1853c378f760936146adff62a3751f7558b  g4_midpoints.cpp
# eaf624df69fe357ec8e8b1413d150c63c297621b  g5_higher.cpp
# f0c7d14454f416c568f9bd37f48088e2246bed9f  g6_fixpoint.cpp